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Sunday Natural L-Glutamine Powder (Fermentation)

Lab verifiedLab: GBAReport: 24 Apr 2026Batch: 4079

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Protein / amino acidsUK seller✓ Lab verified

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Lab report

Lab-test status
Lab verified24 Apr 2026Report
Lab
GBA Gesellschaft für Bioanalytik mbH, Hamburg
GBA Sunday Natural L-Glutamine Powder (Fermentation)
Batch
4079 (Apr 2026)
Report date
24 Apr 2026
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
Glutamine
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 24 Apr 2026. Goal F Glutamine — only 1 brand with fresh HM this pass; needs 2nd brand for category open.
Product page
Sunday Natural (sunday-natural.co.uk)

⚠ 1 red flag

  • 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 L-Glutamine Powder (Fermentation) · batch 4079 (Apr 2026) · dated 2026-04-24 (report age 6 months).

Cleanliness checks

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

Biohacker parameters

Report age
6 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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