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GymBeam Magnesium Bisglycinate Powder Unflavoured 250g

Lab verifiedLab: Labor Dr. SchellerReport: 18 Jun 2026Batch: GBMGBN0251804

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A 8.7/10 How we score →

Evidence note: Arsenic is not on the report. The magnesium report (GBA, 25 Jun 2026) writes the batch as GBMBGN0251804, one character different from the metals report (GBMGBN0251804).

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Lab report

Lab-test status
Lab verified18 Jun 2026Report
Lab
Labor Dr. Scheller, Augsburg (DAkkS D-PL-19230-01-00); magnesium by GBA Hamburg
Scheller certificate PB26-8958
Batch
GBMGBN0251804 (EXP 04/2028)
Report date
18 Jun 2026
Heavy metals (mg/kg)
Pb <0.02 (well under the EU limit or below detection)Cd <0.01 (well under the EU limit or below detection)Hg <0.01 (well under the EU limit or below detection)As NT (not tested)
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
Magnesium Glycinate
Brand
GymBeam
Testing rule for this category
Third-party testing preferred
Status detail
An independent lab report or certification is referenced for this product.
Reviewer notes
Labor Dr. Scheller (DAkkS), Jun 2026: lead, cadmium and mercury below the reporting limit; arsenic not tested; magnesium measured 11.3%, as expected for pure bisglycinate. Out of stock when checked. EU seller only (no UK seller on file).
Product page
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⚠ 3 red flags

  • Arsenic is not tested in the published report.
  • Batch code differs by one character between the metals report and the magnesium report.
  • Out of stock when we checked on 18 Oct 2026.

Purity & biohacker panel

Facts only, no scores. Lab: Labor Dr. Scheller, Augsburg (DAkkS D-PL-19230-01-00); magnesium by GBA Hamburg · Scheller certificate PB26-8958 · batch GBMGBN0251804 (EXP 04/2028) · dated 2026-06-18 (report age 4 months).

Cleanliness checks

Free of fillers and additivesYes
Single ingredient: magnesium diglycinate (bisglycinate) · seller page
Full ingredient list publishedYes
Magnesium diglycinate (bisglycinate) · seller page
Lead (Pb)Yes
<0.02 mg/kg (below reporting limit), EU supplement limit ≤ 3.0 · lab report
Cadmium (Cd)Yes
<0.01 mg/kg (below reporting limit), EU supplement limit ≤ 1.0 · lab report
Mercury (Hg)Yes
<0.01 mg/kg (below reporting limit), EU supplement limit ≤ 0.10 · lab report
Arsenic (As)Unknown
Not tested in published report · lab report
MicrobiologyYes
Yeasts, moulds and coliform bacteria <10 cfu/g; Salmonella negative (same certificate) · lab report
PesticidesUnknown
Not tested in published report · no source
Label accuracy (measured vs claim)Yes
Magnesium 11,281 mg/100 g measured vs 11,000 declared (11.3%; GBA, 25 Jun 2026; the lab rated it in line with the label) · lab report

Biohacker parameters

Form
Magnesium bisglycinate powder, unflavoured · seller page
Dose per serving
1–2 scoops (1 g each) a day = 110–220 mg magnesium · seller page
Elemental magnesium
11% on the label; 11.3% measured · seller page
Servings per pack
125–250 days (250 g ÷ 1–2 g) · seller page
Price / cost per daily dose
€12.95 / 250 g ≈ €0.05–€0.10 per day at 1–2 g (calculated, checked 18 Oct 2026; out of stock). No UK seller on file. · seller page
Branded ingredient
No · seller page
Sourced / made in
Unknown (GymBeam, Slovakia) · seller page
Capsule material
None (powder) · seller page
Allergens
None declared (not checked) · seller page
Vegan
Yes · seller page
Third-party certifications
Unknown (accredited lab report only) · no source
Report age
4 months · lab report

Unknown = not published or not verifiable. Prices from the linked seller page, checked 18 Oct 2026.

Testing evidence

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