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Sunday Natural Folate Quatrefolic 400 µg, 120 capsules

Lab verifiedLab: GBAReport: 21 Mar 2025Batch: 12402

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Lab report

Lab-test status
Lab verified21 Mar 2025Report
Lab
GBA Gesellschaft für Bioanalytik mbH, Hamburg (DAkkS D-PL-14170-01-00)
GBA test report 25012568-004 (Folate Quatrefolic 400 µg)
Batch
12402
Report date
21 Mar 2025
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 25012568-004, 21 Mar 2025, lot 12402, finished pack: lead 0.020, cadmium <0.010, mercury <0.010, arsenic <0.040 mg/kg. About 19 months old at listing: under the 24-month rule, re-check by March 2027. 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)

⚠ 2 red flags

  • Report dated 21 Mar 2025: re-check by March 2027.
  • 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 25012568-004 (Folate Quatrefolic 400 µg) · batch 12402 · dated 2025-03-21 (report age 19 months).

Cleanliness checks

Free of fillers and additivesYes
Seller lists Quatrefolic and the HPMC capsule · seller page
Full ingredient list publishedYes
Quatrefolic (glucosamine salt of (6S)-5-methyltetrahydrofolate) providing 400 µg folate, HPMC capsule (seller) · seller page
Lead (Pb)Yes
0.020 mg/kg (measured), 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
Folate not measured in the published metals page · no source

Biohacker parameters

Form
Capsules · seller page
Dose per serving
1 capsule a day = 400 µg folate declared · seller page
Servings per pack
120 capsules = 120 days · seller page
Price / cost per daily dose
€9.90 / 120 capsules ≈ €0.083 per day at 1 capsule a day on sunday-natural.es; £9.90 / 120 capsules ≈ £0.083 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
19 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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