Men’s health supplements compared: zinc, maca, fenugreek and blends, heavy metals and price per day (UK + EU)

Q: Which zinc supplement has the lowest heavy metals?

In our list, Sunday Natural Zinc 25 mg (bisglycinate + vitamin C): lead, cadmium, mercury and arsenic were all below the reporting limits in GBA report 26020434-006 (5 May 2026). VitaMoment, edubily, MoleQlar and Nature Heart zinc drops were also well within EU limits.

Q: Does zinc raise testosterone?

The authorised UK and EU claim is that zinc contributes to the maintenance of normal testosterone levels in the blood. Studies show low zinc can lower testosterone and restoring zinc in deficient men helps, but trials in men with normal zinc (for example with ZMA) found no rise. See our explainer.

Q: Why is tongkat ali not listed?

It is an unauthorised novel food in the EU, and EFSA could not establish its safety in 2021 because of genotoxicity concerns. We do not list it whatever its lab report shows.

Q: Is 25 mg of zinc a day too much?

25 mg a day is EFSA’s adult upper level for zinc from all sources, and the UK Expert Group on Vitamins and Minerals’ safe upper level for zinc from supplements. Several products here give exactly 25 mg, so do not combine them with other zinc-containing supplements; long-term high zinc can lower copper.

Q: Are herbal men’s blends lab tested?

Some publish certificates, but in our list none has a full numeric heavy-metal report for a sample that matches the product name. They are listed as “Partial report”.

In short: Of the 15 men’s health products we list, 7 are lab verified with numeric heavy-metal results, all within EU limits: five zinc supplements, a Sunday Natural zinc + vitamin C, and Sunday Natural’s organic black maca extract. The lowest metals are in Sunday Natural Zinc 25 mg (all four below the reporting limit). Watch two things: MoleQlar’s latest batch measured 14 mg zinc against 20 mg on the label, and several products give 25 mg zinc a day, which is the adult upper level. No herbal blend has a full numeric report for a matching sample.

15 zinc and herbal men’s health products with a published independent lab report; 7 are lab verified with numeric lead, cadmium, mercury and arsenic results for a named batch, all re-opened by us on 26 Oct 2026.

The other 8 are labelled “Partial report”: pass/fail certificates without values, reports that measure zinc but not metals, metals given only at the legal-limit level, or a report whose sample name does not match the product.

For herbal products we only mark “lab verified” with a numeric heavy-metal report. All sellers are in the EU (mostly Germany); Sunday Natural also sells three of them from its UK shop.

Price per day is calculated at the label dose; € and £ are never mixed or converted.

Read our answer page → · About men's health ↓

Explainer: do “testosterone boosters” work? What the evidence and lab reports say →
Ashwagandha (KSM-66, Sensoril): compared separately → · Magnesium (incl. glycinate): compared separately → · Saw palmetto: compared separately →

Tap a column heading to sort. Price sorting groups by currency (€, then £, then others), so € and £ are never mixed.

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			Heavy metals (mg/kg)				Label match	Fillers	Form & serving		Sellers	Red flags
							Label match	Fillers	Form & serving		Sellers	Red flags
Sunday Natural Zinc 25 mg (bisglycinate) + vitamin C, 120 capsules B 7.7/10	Sunday Natural	Lab verified5 May 2026Report	<0.020 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	<0.040 (well under the EU limit or below detection)	Unknown	None	Capsules 1 capsule a day = 25 mg zinc + 125 mg vitamin C declared	€0.083/day (EU) calculated: €9.90 ÷ 120 · 1 capsule a day · price incl. VAT, excl. shipping £0.083/day (UK) calculated: £9.90 ÷ 120	EU Sunday Natural (sunday-natural.es, EU) UK Sunday Natural (sunday-natural.co.uk)	⚠ 2 red flags 25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top. The sample was sent in by the brand: check the batch number on your pack.
Sunday Natural Organic Black Maca 10:1 extract, 100 capsules B 6.9/10	Sunday Natural	Lab verified12 Aug 2026Report	0.092 (well under the EU limit or below detection)	0.027 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	0.065 (no EU limit)	Unknown	None	Capsules 1–2 capsules a day = 450–900 mg maca extract	€0.17–€0.34/day (EU) calculated: €16.90 ÷ 50–100 · 1–2 capsules a day · price incl. VAT, excl. shipping £0.17–£0.34/day (UK) calculated: £16.90 ÷ 50	EU Sunday Natural (sunday-natural.es, EU) UK Sunday Natural (sunday-natural.co.uk)	⚠ 1 red flag The sample was sent in by the brand: check the batch number on your pack.
edubily Zink-Komplex (bisglycinate, citrate, gluconate) 15 mg, 400 capsules Score Not enough data	edubily	Lab verified20 Oct 2026Report	0.070 (well under the EU limit or below detection)	0.023 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	<0.040 (well under the EU limit or below detection)	Yes	—	Capsules 1 capsule a day = 15 mg zinc (bisglycinate, citrate, gluconate) declared	€0.11/day (EU) calculated: €44.95 ÷ 400 · 1 capsule a day · price incl. VAT, excl. shipping	EU edubily (edubily.de, DE) (Ad)	⚠ 1 red flag The sample was sent in by the brand: check the batch number on your pack.
MoleQlar Zink (zinc bisglycinate + picolinate) 20 mg, 60 capsules Score Not enough data	MoleQlar	Lab verified25 Sep 2026Report	0.036 (well under the EU limit or below detection)	0.015 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	<0.040 (well under the EU limit or below detection)	No	Yes (see product page)	Capsules 1 capsule a day = 20 mg zinc declared (10 mg bisglycinate + 10 mg picolinate)	€0.25/day (EU) calculated: €14.90 ÷ 60 · 1 capsule a day · price incl. VAT, excl. shipping	EU MoleQlar (moleqlar.com, DE)	⚠ 3 red flags Latest batch (127740) measured 14 mg zinc per capsule against 20 mg on the label; the lab says this is outside the EU tolerance. Contains acacia fibre as a filler. The sample was sent in by the brand: check the batch number on your pack.
Nature Heart Ionic Zink Tropfen (zinc drops), 50 ml Score Not enough data	Nature Heart	Lab verified6 Mar 2026Report	<0.020 (well under the EU limit or below detection)	0.061 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	<0.040 (well under the EU limit or below detection)	Yes	—	Liquid drops 10 drops a day = 15 mg zinc (zinc sulfate) declared	— pack: €24.90 / 50 ml (seen 26 Oct 2026). The page does not state how many 10-drop servings a bottle holds, so we can’t calculate a daily cost. EU seller (Germany); no UK seller found.	EU Nature Heart (nature-heart.de, DE)	⚠ 2 red flags No number of daily servings per bottle stated, so we can’t calculate a daily cost. The sample was sent in by the brand: check the batch number on your pack.
Vitabay Zink 25 mg (zinc citrate) vegan tablets, 120 tablets Score Not enough data	Vitabay	Lab verified13 Jul 2026Report	0.59 (well under the EU limit or below detection)	0.09 (well under the EU limit or below detection)	<0.005 (well under the EU limit or below detection)	<0.5 (well under the EU limit or below detection)	Unknown	Yes (see product page)	Tablets (scored, take half) ½ tablet a day = 25 mg zinc declared	€0.05/day (EU) calculated: €11.99 ÷ 240 · ½ tablet a day · price incl. VAT, excl. shipping	EU Vitabay (vitabay.de, DE)	⚠ 4 red flags 25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top. Lead 0.59 mg/kg, the highest in this list (20% of the 3.0 mg/kg limit); arsenic reporting limit is high (0.5 mg/kg). Contains microcrystalline cellulose and calcium carbonate as fillers. The sample was sent in by the brand: check the batch number on your pack.
VitaMoment Zink-Histidin (zinc bisglycinate + copper + L-histidine), 120 capsules Score Not enough data	VitaMoment	Lab verified21 Jul 2026Report	<0.020 (well under the EU limit or below detection)	0.020 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	0.098 (no EU limit)	Yes	Yes (see product page)	Capsules 1 capsule a day = 25 mg zinc + 0.5 mg copper + 25 mg L-histidine declared	€0.17/day (EU) calculated: €19.97 ÷ 120 · 1 capsule a day · price incl. VAT, excl. shipping	EU VitaMoment (vitamoment.de, DE)	⚠ 3 red flags 25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top. Contains rice flour as a filler. The sample was sent in by the brand: check the batch number on your pack.
brandl® Zink Kapseln (zinc bisglycinate) 25 mg, 180 capsules Score Not enough data	Brandl Nutrition	Partial reportReport	NT (not tested)	NT (not tested)	NT (not tested)	NT (not tested)	Yes	Yes (see product page)	Capsules 1 capsule a day = 25 mg zinc declared	€0.11/day (EU) calculated: €19.90 ÷ 180 · 1 capsule a day · price incl. VAT, excl. shipping	EU Brandl Nutrition (brandl-nutrition.de, DE)	⚠ 5 red flags Partial report: the published lab report measures zinc content (and microbiology) but not heavy metals. Brandl told us on 29 Oct 2026 that this published report is for an earlier formula without rice flour. The current batch (with rice flour) is being tested externally for zinc, microbiology and lead, cadmium, mercury and arsenic; we'll update this page when we see that report. 25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top. Contains rice flour as a filler. The sample was sent in by the brand: check the batch number on your pack.
Nature Heart Männer Formel X12 Pro (tribulus, ginseng, ashwagandha, arginine, zinc blend), 90 capsules Score Not enough data	Nature Heart	Partial reportReport	<3.0 (well under the EU limit or below detection)	<0.5 (well under the EU limit or below detection)	<0.1 (well under the EU limit or below detection)	<1.0 (well under the EU limit or below detection)	Unknown	—	Capsules 3 capsules a day	€1.16/day (EU) calculated: €34.90 ÷ 30 · 3 capsules a day · price incl. VAT, excl. shipping	EU Nature Heart (nature-heart.de, DE)	⚠ 5 red flags Metals are reported only as “below” values at about the legal limits, so the report shows compliance but not actual levels. Report is from 16 Oct 2025 (about a year old). Contains ashwagandha: see our ashwagandha safety note (Denmark bans it in food; Germany and France advise some groups not to take it). The seller markets this product for men; we do not repeat marketing about hormones or libido. The only authorised testosterone claim in the UK and EU is that zinc contributes to the maintenance of normal testosterone levels in the blood. The sample was sent in by the brand: check the batch number on your pack.
Nature Heart Zink Pure (zinc bisglycinate) 10 mg, 240 capsules Score Not enough data	Nature Heart	Partial reportReport	NT (not tested)	NT (not tested)	NT (not tested)	NT (not tested)	Yes	—	Capsules 1 capsule a day = 10 mg zinc declared	€0.11/day (EU) calculated: €26.90 ÷ 240 · 1 capsule a day · price incl. VAT, excl. shipping	EU Nature Heart (nature-heart.de, DE)	⚠ 2 red flags Partial report: the published lab report measures zinc content (and microbiology) but not heavy metals. The sample was sent in by the brand: check the batch number on your pack.
Nature Love Bio Bockshornklee (organic fenugreek seed), 240 capsules Score Not enough data	Nature Love	Partial reportReport	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	NT (not tested)	Unknown	None	Capsules 4 capsules a day = 2,600 mg fenugreek seed powder	€0.37/day (EU) calculated: €21.99 ÷ 60 · 4 capsules a day · price incl. VAT, excl. shipping	EU Nature Love (nature-love.de, DE)	⚠ 3 red flags Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report. No batch number and no arsenic result on the confirmation. The sample was sent in by the brand: check the batch number on your pack.
Nature Love Bio Maca Rot (organic red maca), 180 capsules Score Not enough data	Nature Love	Partial reportReport	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	NT (not tested)	Unknown	None	Capsules 4 capsules a day = 3,000 mg maca powder	€0.51/day (EU) calculated: €22.99 ÷ 45 · 4 capsules a day · price incl. VAT, excl. shipping	EU Nature Love (nature-love.de, DE)	⚠ 3 red flags Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report. No batch number and no arsenic result on the confirmation. The sample was sent in by the brand: check the batch number on your pack.
Nature Love Energiefluss für Männer (citrulline, arginine, tribulus, maca, ginseng blend), 90 capsules Score Not enough data	Nature Love	Partial reportReport	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	NT (not tested)	Unknown	—	Capsules 3 capsules a day	€0.77/day (EU) calculated: €22.99 ÷ 30 · 3 capsules a day · price incl. VAT, excl. shipping	EU Nature Love (nature-love.de, DE)	⚠ 3 red flags Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report. The seller markets this product for men; we do not repeat marketing about hormones or libido. The only authorised testosterone claim in the UK and EU is that zinc contributes to the maintenance of normal testosterone levels in the blood. The sample was sent in by the brand: check the batch number on your pack.
Nature Love Zink Bisglycinat 25 mg, 365 tablets Score Not enough data	Nature Love	Partial reportReport	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	Pass* (certificate states compliance, no figure)	NT (not tested)	Unknown	Yes (see product page)	Tablets 1 tablet a day = 25 mg zinc declared	€0.052/day (EU) calculated: €18.99 ÷ 365 · 1 tablet a day · price incl. VAT, excl. shipping	EU Nature Love (nature-love.de, DE)	⚠ 3 red flags Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report. 25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top. The sample was sent in by the brand: check the batch number on your pack.
Sunday Natural Libo M Complex (fenugreek, ashwagandha, maca, zinc blend), 120 capsules Score Not enough data	Sunday Natural	Partial reportReport	0.074 (well under the EU limit or below detection)	0.015 (well under the EU limit or below detection)	<0.010 (well under the EU limit or below detection)	0.045 (no EU limit)	Unknown	—	Capsules 4 capsules a day (2 + 2)	€1.00/day (EU) calculated: €29.90 ÷ 30 · 4 capsules a day · price incl. VAT, excl. shipping £1.00/day (UK) calculated: £29.90 ÷ 30	EU Sunday Natural (sunday.nl, EU) UK Sunday Natural (sunday-natural.co.uk)	⚠ 3 red flags The lab sample is named “Libido Enhancer”, which does not match this product’s name. Contains ashwagandha: see our ashwagandha safety note (Denmark bans it in food; Germany and France advise some groups not to take it). The seller markets this product for men; we do not repeat marketing about hormones or libido. The only authorised testosterone claim in the UK and EU is that zinc contributes to the maintenance of normal testosterone levels in the blood.

Heavy-metal colours: Well under the EU limit (below half) or below detection Near the EU limit (half the limit up to the limit) Over the EU limit Grey: no EU limit (arsenic), not tested, or the lab’s reporting limit is above the EU limitEU 2023/915 limits for food supplements: lead (Pb) 3.0, cadmium (Cd) 1.0, mercury (Hg) 0.10 mg/kg. Values in mg/kg. NT = not tested; c = calculated by us from µg per serving.

Pb = lead, Cd = cadmium, Hg = mercury, As = arsenic, all in mg/kg. “<” means below the lab’s detection limit. Pass* = certificate states compliance without a figure. — = no data. Label match = the lab measured the active content against the label. The lab name, full notes and per-serving details are on each product page.

Sunday Natural Zinc 25 mg (bisglycinate) + vitamin C, 120 capsules
B 7.7/10

Brand

Sunday Natural

Lab-test status

Lab verified5 May 2026Report

Heavy metals (mg/kg)

Pb <0.020 (well under the EU limit or below detection)Cd <0.010 (well under the EU limit or below detection)Hg <0.010 (well under the EU limit or below detection)As <0.040 (well under the EU limit or below detection)

Label match

Unknown

Fillers

None

Form & serving

Capsules

1 capsule a day = 25 mg zinc + 125 mg vitamin C declared

Price per daily dose

€0.083/day (EU)

calculated: €9.90 ÷ 120 · 1 capsule a day · price incl. VAT, excl. shipping

£0.083/day (UK)

calculated: £9.90 ÷ 120

Sellers

EU Sunday Natural (sunday-natural.es, EU)

UK Sunday Natural (sunday-natural.co.uk)

Red flags

⚠ 2 red flags

25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top.
The sample was sent in by the brand: check the batch number on your pack.

Sunday Natural Organic Black Maca 10:1 extract, 100 capsules
B 6.9/10

Brand

Sunday Natural

Lab-test status

Lab verified12 Aug 2026Report

Heavy metals (mg/kg)

Pb 0.092 (well under the EU limit or below detection)Cd 0.027 (well under the EU limit or below detection)Hg <0.010 (well under the EU limit or below detection)As 0.065 (no EU limit)

Label match

Unknown

Fillers

None

Form & serving

Capsules

1–2 capsules a day = 450–900 mg maca extract

Price per daily dose

€0.17–€0.34/day (EU)

calculated: €16.90 ÷ 50–100 · 1–2 capsules a day · price incl. VAT, excl. shipping

£0.17–£0.34/day (UK)

calculated: £16.90 ÷ 50

Sellers

EU Sunday Natural (sunday-natural.es, EU)

UK Sunday Natural (sunday-natural.co.uk)

Red flags

⚠ 1 red flag

The sample was sent in by the brand: check the batch number on your pack.

edubily Zink-Komplex (bisglycinate, citrate, gluconate) 15 mg, 400 capsules
Score Not enough data

Brand

edubily

Lab-test status

Lab verified20 Oct 2026Report

Heavy metals (mg/kg)

Pb 0.070 (well under the EU limit or below detection)Cd 0.023 (well under the EU limit or below detection)Hg <0.010 (well under the EU limit or below detection)As <0.040 (well under the EU limit or below detection)

Label match

Yes

Fillers

—

Form & serving

Capsules

1 capsule a day = 15 mg zinc (bisglycinate, citrate, gluconate) declared

Price per daily dose

€0.11/day (EU)

calculated: €44.95 ÷ 400 · 1 capsule a day · price incl. VAT, excl. shipping

Sellers

EU edubily (edubily.de, DE) (Ad)

Red flags

⚠ 1 red flag

The sample was sent in by the brand: check the batch number on your pack.

MoleQlar Zink (zinc bisglycinate + picolinate) 20 mg, 60 capsules
Score Not enough data

Brand

MoleQlar

Lab-test status

Lab verified25 Sep 2026Report

Heavy metals (mg/kg)

Pb 0.036 (well under the EU limit or below detection)Cd 0.015 (well under the EU limit or below detection)Hg <0.010 (well under the EU limit or below detection)As <0.040 (well under the EU limit or below detection)

Label match

Fillers

Yes (see product page)

Form & serving

Capsules

1 capsule a day = 20 mg zinc declared (10 mg bisglycinate + 10 mg picolinate)

Price per daily dose

€0.25/day (EU)

calculated: €14.90 ÷ 60 · 1 capsule a day · price incl. VAT, excl. shipping

Sellers

EU MoleQlar (moleqlar.com, DE)

Red flags

⚠ 3 red flags

Latest batch (127740) measured 14 mg zinc per capsule against 20 mg on the label; the lab says this is outside the EU tolerance.
Contains acacia fibre as a filler.
The sample was sent in by the brand: check the batch number on your pack.

Nature Heart Ionic Zink Tropfen (zinc drops), 50 ml
Score Not enough data

Brand

Nature Heart

Lab-test status

Lab verified6 Mar 2026Report

Heavy metals (mg/kg)

Pb <0.020 (well under the EU limit or below detection)Cd 0.061 (well under the EU limit or below detection)Hg <0.010 (well under the EU limit or below detection)As <0.040 (well under the EU limit or below detection)

Label match

Yes

Fillers

—

Form & serving

Liquid drops

10 drops a day = 15 mg zinc (zinc sulfate) declared

Price per daily dose

—

pack: €24.90 / 50 ml (seen 26 Oct 2026). The page does not state how many 10-drop servings a bottle holds, so we can’t calculate a daily cost. EU seller (Germany); no UK seller found.

Sellers

EU Nature Heart (nature-heart.de, DE)

Red flags

⚠ 2 red flags

No number of daily servings per bottle stated, so we can’t calculate a daily cost.
The sample was sent in by the brand: check the batch number on your pack.

Vitabay Zink 25 mg (zinc citrate) vegan tablets, 120 tablets
Score Not enough data

Brand

Vitabay

Lab-test status

Lab verified13 Jul 2026Report

Heavy metals (mg/kg)

Pb 0.59 (well under the EU limit or below detection)Cd 0.09 (well under the EU limit or below detection)Hg <0.005 (well under the EU limit or below detection)As <0.5 (well under the EU limit or below detection)

Label match

Unknown

Fillers

Yes (see product page)

Form & serving

Tablets (scored, take half)

½ tablet a day = 25 mg zinc declared

Price per daily dose

€0.05/day (EU)

calculated: €11.99 ÷ 240 · ½ tablet a day · price incl. VAT, excl. shipping

Sellers

EU Vitabay (vitabay.de, DE)

Red flags

⚠ 4 red flags

25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top.
Lead 0.59 mg/kg, the highest in this list (20% of the 3.0 mg/kg limit); arsenic reporting limit is high (0.5 mg/kg).
Contains microcrystalline cellulose and calcium carbonate as fillers.
The sample was sent in by the brand: check the batch number on your pack.

VitaMoment Zink-Histidin (zinc bisglycinate + copper + L-histidine), 120 capsules
Score Not enough data

Brand

VitaMoment

Lab-test status

Lab verified21 Jul 2026Report

Heavy metals (mg/kg)

Pb <0.020 (well under the EU limit or below detection)Cd 0.020 (well under the EU limit or below detection)Hg <0.010 (well under the EU limit or below detection)As 0.098 (no EU limit)

Label match

Yes

Fillers

Yes (see product page)

Form & serving

Capsules

1 capsule a day = 25 mg zinc + 0.5 mg copper + 25 mg L-histidine declared

Price per daily dose

€0.17/day (EU)

calculated: €19.97 ÷ 120 · 1 capsule a day · price incl. VAT, excl. shipping

Sellers

EU VitaMoment (vitamoment.de, DE)

Red flags

⚠ 3 red flags

25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top.
Contains rice flour as a filler.
The sample was sent in by the brand: check the batch number on your pack.

brandl® Zink Kapseln (zinc bisglycinate) 25 mg, 180 capsules
Score Not enough data

Brand

Brandl Nutrition

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb NT (not tested)Cd NT (not tested)Hg NT (not tested)As NT (not tested)

Label match

Yes

Fillers

Yes (see product page)

Form & serving

Capsules

1 capsule a day = 25 mg zinc declared

Price per daily dose

€0.11/day (EU)

calculated: €19.90 ÷ 180 · 1 capsule a day · price incl. VAT, excl. shipping

Sellers

EU Brandl Nutrition (brandl-nutrition.de, DE)

Red flags

⚠ 5 red flags

Partial report: the published lab report measures zinc content (and microbiology) but not heavy metals.
Brandl told us on 29 Oct 2026 that this published report is for an earlier formula without rice flour. The current batch (with rice flour) is being tested externally for zinc, microbiology and lead, cadmium, mercury and arsenic; we'll update this page when we see that report.
25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top.
Contains rice flour as a filler.
The sample was sent in by the brand: check the batch number on your pack.

Nature Heart Männer Formel X12 Pro (tribulus, ginseng, ashwagandha, arginine, zinc blend), 90 capsules
Score Not enough data

Brand

Nature Heart

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb <3.0 (well under the EU limit or below detection)Cd <0.5 (well under the EU limit or below detection)Hg <0.1 (well under the EU limit or below detection)As <1.0 (well under the EU limit or below detection)

Label match

Unknown

Fillers

—

Form & serving

Capsules

3 capsules a day

Price per daily dose

€1.16/day (EU)

calculated: €34.90 ÷ 30 · 3 capsules a day · price incl. VAT, excl. shipping

Sellers

EU Nature Heart (nature-heart.de, DE)

Red flags

⚠ 5 red flags

Metals are reported only as “below” values at about the legal limits, so the report shows compliance but not actual levels.
Report is from 16 Oct 2025 (about a year old).
Contains ashwagandha: see our ashwagandha safety note (Denmark bans it in food; Germany and France advise some groups not to take it).
The seller markets this product for men; we do not repeat marketing about hormones or libido. The only authorised testosterone claim in the UK and EU is that zinc contributes to the maintenance of normal testosterone levels in the blood.
The sample was sent in by the brand: check the batch number on your pack.

Nature Heart Zink Pure (zinc bisglycinate) 10 mg, 240 capsules
Score Not enough data

Brand

Nature Heart

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb NT (not tested)Cd NT (not tested)Hg NT (not tested)As NT (not tested)

Label match

Yes

Fillers

—

Form & serving

Capsules

1 capsule a day = 10 mg zinc declared

Price per daily dose

€0.11/day (EU)

calculated: €26.90 ÷ 240 · 1 capsule a day · price incl. VAT, excl. shipping

Sellers

EU Nature Heart (nature-heart.de, DE)

Red flags

⚠ 2 red flags

Partial report: the published lab report measures zinc content (and microbiology) but not heavy metals.
The sample was sent in by the brand: check the batch number on your pack.

Nature Love Bio Bockshornklee (organic fenugreek seed), 240 capsules
Score Not enough data

Brand

Nature Love

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb Pass* (certificate states compliance, no figure)Cd Pass* (certificate states compliance, no figure)Hg Pass* (certificate states compliance, no figure)As NT (not tested)

Label match

Unknown

Fillers

None

Form & serving

Capsules

4 capsules a day = 2,600 mg fenugreek seed powder

Price per daily dose

€0.37/day (EU)

calculated: €21.99 ÷ 60 · 4 capsules a day · price incl. VAT, excl. shipping

Sellers

EU Nature Love (nature-love.de, DE)

Red flags

⚠ 3 red flags

Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report.
No batch number and no arsenic result on the confirmation.
The sample was sent in by the brand: check the batch number on your pack.

Nature Love Bio Maca Rot (organic red maca), 180 capsules
Score Not enough data

Brand

Nature Love

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb Pass* (certificate states compliance, no figure)Cd Pass* (certificate states compliance, no figure)Hg Pass* (certificate states compliance, no figure)As NT (not tested)

Label match

Unknown

Fillers

None

Form & serving

Capsules

4 capsules a day = 3,000 mg maca powder

Price per daily dose

€0.51/day (EU)

calculated: €22.99 ÷ 45 · 4 capsules a day · price incl. VAT, excl. shipping

Sellers

EU Nature Love (nature-love.de, DE)

Red flags

⚠ 3 red flags

Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report.
No batch number and no arsenic result on the confirmation.
The sample was sent in by the brand: check the batch number on your pack.

Nature Love Energiefluss für Männer (citrulline, arginine, tribulus, maca, ginseng blend), 90 capsules
Score Not enough data

Brand

Nature Love

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb Pass* (certificate states compliance, no figure)Cd Pass* (certificate states compliance, no figure)Hg Pass* (certificate states compliance, no figure)As NT (not tested)

Label match

Unknown

Fillers

—

Form & serving

Capsules

3 capsules a day

Price per daily dose

€0.77/day (EU)

calculated: €22.99 ÷ 30 · 3 capsules a day · price incl. VAT, excl. shipping

Sellers

EU Nature Love (nature-love.de, DE)

Red flags

⚠ 3 red flags

Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report.
The seller markets this product for men; we do not repeat marketing about hormones or libido. The only authorised testosterone claim in the UK and EU is that zinc contributes to the maintenance of normal testosterone levels in the blood.
The sample was sent in by the brand: check the batch number on your pack.

Nature Love Zink Bisglycinat 25 mg, 365 tablets
Score Not enough data

Brand

Nature Love

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb Pass* (certificate states compliance, no figure)Cd Pass* (certificate states compliance, no figure)Hg Pass* (certificate states compliance, no figure)As NT (not tested)

Label match

Unknown

Fillers

Yes (see product page)

Form & serving

Tablets

1 tablet a day = 25 mg zinc declared

Price per daily dose

€0.052/day (EU)

calculated: €18.99 ÷ 365 · 1 tablet a day · price incl. VAT, excl. shipping

Sellers

EU Nature Love (nature-love.de, DE)

Red flags

⚠ 3 red flags

Pass/fail certificate only: it states compliance with EU or German limits but gives no measured values, so we list it as a partial report.
25 mg zinc a day is EFSA’s adult upper level from all sources (2006) and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements (2003); do not add other zinc-containing supplements on top.
The sample was sent in by the brand: check the batch number on your pack.

Sunday Natural Libo M Complex (fenugreek, ashwagandha, maca, zinc blend), 120 capsules
Score Not enough data

Brand

Sunday Natural

Lab-test status

Partial reportReport

Heavy metals (mg/kg)

Pb 0.074 (well under the EU limit or below detection)Cd 0.015 (well under the EU limit or below detection)Hg <0.010 (well under the EU limit or below detection)As 0.045 (no EU limit)

Label match

Unknown

Fillers

—

Form & serving

Capsules

4 capsules a day (2 + 2)

Price per daily dose

€1.00/day (EU)

calculated: €29.90 ÷ 30 · 4 capsules a day · price incl. VAT, excl. shipping

£1.00/day (UK)

calculated: £29.90 ÷ 30

Sellers

EU Sunday Natural (sunday.nl, EU)

UK Sunday Natural (sunday-natural.co.uk)

Red flags

⚠ 3 red flags

The lab sample is named “Libido Enhancer”, which does not match this product’s name.
Contains ashwagandha: see our ashwagandha safety note (Denmark bans it in food; Germany and France advise some groups not to take it).
The seller markets this product for men; we do not repeat marketing about hormones or libido. The only authorised testosterone claim in the UK and EU is that zinc contributes to the maintenance of normal testosterone levels in the blood.

EU 2023/915 limits for food supplements: lead 3.0, cadmium 1.0, mercury 0.10 mg/kg. There is no EU limit for arsenic in supplements. “Pass (no value)” means the certificate states compliance without a figure. Zinc: 25 mg a day is EFSA’s adult upper level from all sources and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements. The only authorised testosterone health claim in the UK and EU is “Zinc contributes to the maintenance of normal testosterone levels in the blood”; it applies to zinc, not to herbs, and we make no other hormone claims. Not medical advice. Prices can change.

Lab, batch and report date

Product	Status	Lab	Batch / sample	Report date
VitaMoment Zink-Histidin (zinc bisglycinate + copper + L-histidine), 120 capsules	Lab verified	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	94680 (marking on the sample)	2026-07-21
MoleQlar Zink (zinc bisglycinate + picolinate) 20 mg, 60 capsules	Lab verified	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	127740 (best before 08/28)	2026-09-25
edubily Zink-Komplex (bisglycinate, citrate, gluconate) 15 mg, 400 capsules	Lab verified	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	6077929/07-28 (marking on the sample)	2026-10-20
Vitabay Zink 25 mg (zinc citrate) vegan tablets, 120 tablets	Lab verified	Limbach Analytics (Arotop), Mainz (DAkkS D-PL-20185-01)	TIA252005	2026-07-13
Nature Heart Ionic Zink Tropfen (zinc drops), 50 ml	Lab verified	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	NV001-091225 (base batch)	2026-03-06
Sunday Natural Zinc 25 mg (bisglycinate) + vitamin C, 120 capsules	Lab verified	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	L02609	2026-05-05
Sunday Natural Organic Black Maca 10:1 extract, 100 capsules	Lab verified	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	L06624	2026-08-12
Sunday Natural Libo M Complex (fenugreek, ashwagandha, maca, zinc blend), 120 capsules	Partial report	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	L03602 (sample named “Libido Enhancer”)	2026-05-21
Nature Heart Zink Pure (zinc bisglycinate) 10 mg, 240 capsules	Partial report	Lab report published by Nature Heart (24 Apr 2026)	IP11300-106-1 F	2026-04-24
brandl® Zink Kapseln (zinc bisglycinate) 25 mg, 180 capsules	Partial report	Bilacon GmbH (Tentamus group), Berlin	90235 (best before 12.01.2028)	2026-03-11
Nature Love Zink Bisglycinat 25 mg, 365 tablets	Partial report	GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)	25758791L28341 (best before 01/2029)	2026-02-12
Nature Love Bio Maca Rot (organic red maca), 180 capsules	Partial report	AGROLAB LUFA GmbH, Kiel	Not stated (sample “Bio Maca Rot”)	2026-04-08
Nature Love Bio Bockshornklee (organic fenugreek seed), 240 capsules	Partial report	AGROLAB LUFA GmbH, Kiel	Not stated (sample “Bio Bockshornklee”)	2026-06-05
Nature Love Energiefluss für Männer (citrulline, arginine, tribulus, maca, ginseng blend), 90 capsules	Partial report	Eurofins Analytik GmbH, Hamburg	31519892L29101 (best before 09.2028)	2026-10-15
Nature Heart Männer Formel X12 Pro (tribulus, ginseng, ashwagandha, arginine, zinc blend), 90 capsules	Partial report	PLENUM Dr. Born, Ennepetal (Germany)	30067925095-1	2025-10-16

What we left out and why

Tongkat ali (Eurycoma longifolia): an unauthorised novel food in the EU. EFSA could not establish its safety in 2021 because of genotoxicity concerns, and Dutch and Norwegian authorities have acted against products on sale. We list none, whatever the lab report says.
Turkesterone (Ajuga turkestanica) and Fadogia agrestis: not authorised as novel foods in the EU or GB, so not listed.
DHEA, prohormones, SARMs and anything sold “for research only”: medicines or banned substances, never listed.
Boron: we found no boron supplement with a published heavy-metal report (one partial-report blend above contains sodium borate).
Brands that say “lab tested” but publish no report (for example several German zinc, ZMA, tribulus and maca products) are not listed until they publish one.

Ashwagandha safety note (EU and UK reviews, checked 26 Oct 2026)

Denmark’s food authority treats ashwagandha as not allowed in foods, including supplements, after a DTU risk assessment that flagged possible effects on sex hormones and reproduction, metabolism, the immune and central nervous systems.
Germany’s BfR (Communication 39/2024, 10 Sep 2024) says children, pregnant or breastfeeding women and people with liver disease should not take ashwagandha supplements, notes case reports of liver damage, and could not derive a safe intake level.
France’s ANSES (opinion 2021-SA-0077, 19 Apr 2024) advises against use in pregnancy and breastfeeding, under-18s, people with thyroid, liver or heart conditions and people taking sedative medicines.
UK: the Committee on Toxicity discussed draft statements on ashwagandha on 19 May and 8 Sep 2026; no final statement or FSA advice had been published when we checked. There is no harmonised EU restriction.

Sources (checked 26 Oct 2026): Fødevarestyrelsen (DK) · BfR 39/2024 · ANSES 2021-SA-0077 · COT, 19 May 2026 · COT, 8 Sep 2026. Not medical advice.

Not medical advice. Testing status can’t be bought; seller links may be affiliate links (see disclosure). Disclosure

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About Men's Health

What it is: Supplements marketed for men’s health: mainly zinc (alone or with copper, vitamin C or histidine), plus herbs such as maca and fenugreek and multi-ingredient “men’s” blends. Often searched for as “testosterone boosters”.
Common forms: Capsules, tablets or liquid drops. Zinc forms in our list: bisglycinate, picolinate, citrate, gluconate and sulfate.
Typical label doses: Zinc products in our directory give 10–25 mg zinc a day. Maca products give 450–900 mg extract or 3,000 mg powder a day; the fenugreek product 2,600 mg seed powder.
Note: 25 mg zinc a day is EFSA’s adult upper level from all sources and the UK Expert Group on Vitamins and Minerals’ safe upper level from supplements; long-term high zinc can cause copper deficiency. Ashwagandha, often found in men’s blends, is not allowed in foods in Denmark, and Germany’s BfR and France’s ANSES advise some groups not to take it (see the safety note on this page). Tongkat ali is an unauthorised novel food in the EU and we do not list it.

Authorised health claims (EU and GB registers)

“Zinc contributes to the maintenance of normal testosterone levels in the blood.” Condition: at least a source of zinc (EU rules); applies to zinc only, not to herbs. Sources: EU register · EU Regulation 432/2012 · GB NHC register (Checked on the registers 2026-10-26)
“Zinc contributes to normal fertility and reproduction.” Condition: at least a source of zinc (EU rules). Sources: EU register · EU Regulation 432/2012 · GB NHC register (Checked on the registers 2026-10-26)

Information only, not medical advice. Food supplements are not intended to diagnose, treat, cure or prevent any disease. Speak to a healthcare professional before use, especially if pregnant or on medication.

FAQ

Which zinc supplement has the lowest heavy metals?

In our list, Sunday Natural Zinc 25 mg (bisglycinate + vitamin C): lead, cadmium, mercury and arsenic were all below the reporting limits in GBA report 26020434-006 (5 May 2026). VitaMoment, edubily, MoleQlar and Nature Heart zinc drops were also well within EU limits.

Does zinc raise testosterone?

The authorised UK and EU claim is that zinc contributes to the maintenance of normal testosterone levels in the blood. Studies show low zinc can lower testosterone and restoring zinc in deficient men helps, but trials in men with normal zinc (for example with ZMA) found no rise. See our explainer.

Why is tongkat ali not listed?

It is an unauthorised novel food in the EU, and EFSA could not establish its safety in 2021 because of genotoxicity concerns. We do not list it whatever its lab report shows.

Is 25 mg of zinc a day too much?

25 mg a day is EFSA’s adult upper level for zinc from all sources, and the UK Expert Group on Vitamins and Minerals’ safe upper level for zinc from supplements. Several products here give exactly 25 mg, so do not combine them with other zinc-containing supplements; long-term high zinc can lower copper.

Are herbal men’s blends lab tested?

Some publish certificates, but in our list none has a full numeric heavy-metal report for a sample that matches the product name. They are listed as “Partial report”.

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