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Sunday Natural Glycine Powder Ultrapure Vegan

Lab verifiedLab: GBAReport: 3 Apr 2025Batch: 4135

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Protein / amino acidsUK seller✓ Lab verified

Score Not enough data Not enough label data How we score →

Lab report

Lab-test status
Lab verified3 Apr 2025Report
Lab
GBA Gesellschaft für Bioanalytik mbH, Hamburg
GBA Sunday Natural Glycine Powder Ultrapure Vegan 4135 (Apr 2025 panel)
Batch
4135 (Apr 2025 panel)
Report date
3 Apr 2025
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 Pass* (certificate states compliance, no figure)
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
Glycine
Brand
Sunday Natural
Testing rule for this category
Third-party testing preferred
Status detail
An independent lab report or certification is referenced for this product.
Reviewer notes
GBA HM panel dated 3 Apr 2025 (~19 months). Numeric metals on labtest images. Prefer newer glycine caps for primary compare.
Product page
Sunday Natural (sunday-natural.co.uk)

⚠ 2 red flags

  • Report ~19 months old — still under ~24-month stale rule but refresh when newer HM panel appears.
  • Sample 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 · GBA Sunday Natural Glycine Powder Ultrapure Vegan 4135 (Apr 2025 panel) · batch 4135 (Apr 2025 panel) · dated 2025-04-03 (report age 19 months).

Cleanliness checks

Lead (Pb)Yes
see GBA image panel · lab report
Cadmium (Cd)Yes
see GBA image panel · lab report
Mercury (Hg)Yes
see GBA image panel · lab report
Arsenic (As)Yes
see GBA image panel · lab report

Biohacker parameters

Report age
19 months · lab report

Unknown = not published or not verifiable. Prices from the linked seller page, checked 2 Nov 2026.

Testing evidence

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