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Sunday Natural Chasteberry (Vitex / Agnus castus) Extract 5% vitexin, 180 capsules

Lab verifiedLab: GBAReport: 26 May 2026Batch: L03617

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Herbal / plantEU seller✓ Lab verified

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Lab report

Lab-test status
Lab verified26 May 2026Report
Lab
GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)
GBA test report 26024148-008 (Chasteberry / Vitex extract)
Batch
L03617
Report date
26 May 2026
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)
Fillers
None
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
Women's Health
Brand
Sunday Natural
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 26024148-008, 26 May 2026, batch L03617, finished pack: lead <0.020, cadmium <0.010, mercury <0.010, arsenic <0.040 mg/kg (all below the reporting limit). Sold by Sunday Natural’s Spanish (€) and UK (£) shops.
Product page
Sunday Natural (sunday-natural.es, EU)
Sunday Natural (sunday-natural.co.uk) (UK seller)

⚠ 1 red flag

  • 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 26024148-008 (Chasteberry / Vitex extract) · batch L03617 · dated 2026-05-26 (report age 5 months).

Cleanliness checks

Free of fillers and additivesYes
Seller lists chasteberry fruit extract and the HPMC capsule only · seller page
Full ingredient list publishedYes
Chasteberry fruit extract (Vitex agnus-castus L.) 10 mg with 5% vitexin (0.5 mg), HPMC capsule (seller) · seller page
Lead (Pb)Yes
<0.020 mg/kg (below reporting limit), EU supplement limit ≤ 3.0 · lab report
Cadmium (Cd)Yes
<0.010 mg/kg (below reporting limit), 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 unremarkable · lab report
PesticidesUnknown
Not in the published report · no source
Label accuracy (measured vs claim)Unknown
Extract content not measured in the published report · no source

Biohacker parameters

Form
Capsules · seller page
Dose per serving
1 capsule a day = 10 mg chasteberry extract declared · seller page
Servings per pack
180 capsules = 180 days · seller page
Price / cost per daily dose
€9.90 / 180 capsules ≈ €0.055 per day at 1 capsule a day on sunday-natural.es; £9.90 / 180 capsules ≈ £0.055 per day on sunday-natural.co.uk (calculated, checked 30 Oct 2026). € and £ prices are separate sellers, not converted. · seller page
Branded ingredient
Unknown · no source
Sourced / made in
Sunday Natural Products GmbH, Berlin (seller) · seller page
Capsule material
HPMC (plant cellulose) capsule · seller page
Allergens
Unknown · no source
Vegan
Yes · seller page
Third-party certifications
Unknown (lab report only) · no source
Report age
5 months · lab report

Unknown = not published or not verifiable. Prices from the linked seller page, checked 30 Oct 2026.

Testing evidence

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