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Nature Heart Ionic Zink Tropfen (zinc drops), 50 ml

Lab verifiedLab: GBAReport: 6 Mar 2026Batch: NV001-091225

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MineralsEU seller✓ Lab verified

Score Not enough data How we score →

Lab report

Lab-test status
Lab verified6 Mar 2026Report
Lab
GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)
GBA test report 26303374-001 b (Zink Tropfen)
Batch
NV001-091225 (base batch)
Report date
6 Mar 2026
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)
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.
Ingredient
Men's Health
Brand
Nature Heart
Testing rule for this category
Third-party heavy-metal testing required
Status detail
An independent lab report or certification is referenced for this product.
Reviewer notes
GBA Hamburg (DAkkS), test report 26303374-001 b, 6 Mar 2026, base batch NV001-091225: lead <0.020, cadmium 0.061, mercury <0.010, arsenic <0.040 mg/kg; microbiology tested. A separate PLENUM analysis (31 Mar 2026, same batch) measured 15.1 mg zinc per daily dose. EU seller (Germany).
Product page
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.

Purity & biohacker panel

Facts only, no scores. Lab: GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00) · GBA test report 26303374-001 b (Zink Tropfen) · batch NV001-091225 (base batch) · dated 2026-03-06 (report age 8 months).

Cleanliness checks

Free of fillers and additivesUnknown
Full ingredient list not checked on the seller page · seller page
Full ingredient list publishedUnknown
· no source
Lead (Pb)Yes
<0.020 mg/kg (below reporting limit), EU supplement limit ≤ 3.0 · lab report
Cadmium (Cd)Yes
0.061 mg/kg (measured), EU supplement limit ≤ 1.0 · lab report
Mercury (Hg)Yes
<0.010 mg/kg (below reporting limit), EU supplement limit ≤ 0.10 · lab report
Arsenic (As)Yes
<0.040 mg/kg (below reporting limit), total arsenic; no EU limit for supplements · lab report
MicrobiologyYes
GBA, same report: microbiology tested · lab report
PesticidesUnknown
Not in the published report · no source
Label accuracy (measured vs claim)Yes
Zinc 15.1 mg per daily dose measured by PLENUM (31 Mar 2026, same batch) · lab report

Biohacker parameters

Form
Liquid drops · seller page
Dose per serving
10 drops a day = 15 mg zinc (zinc sulfate) declared · seller page
Servings per pack
Unknown · no source
Price / cost per daily dose
€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. · seller page
Branded ingredient
Unknown · no source
Sourced / made in
Nature Heart / Nature Vital GmbH & Co. KG, Nidderau, Germany (seller) · seller page
Capsule material
None (liquid) · seller page
Allergens
Unknown · no source
Vegan
Unknown · no source
Third-party certifications
Unknown (lab report only) · no source
Report age
8 months · lab report

Unknown = not published or not verifiable. Prices from the linked seller page, checked 26 Oct 2026.

Testing evidence

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