Legion Sucrosomial Magnesium

Labdoor printed a lab panel for lot 2415682, tested May 25, 2026. Every figure below is from that document.

Printed lab panel Retrieved Oct 23, 2026 7 public records

What this record tells you

Read Oct 23, 2026

Legion Sucrosomial Magnesium: potency at 109% of the label claim and metals under the limits its documents printed.
The evidence score reads 50% of the rubric for this record (recency of independent measured results, independent source count, method transparency); 60 is the score on that part only, not a grade of the bottle.

What you can do

Each step opens to what to look for. Nothing here is a verdict on the bottle.

Match your bottle’s lotLot 2415682

These figures are for lot 2415682, tested May 25, 2026. If the lot on your bottle is different, they describe another batch: ask Legion for your lot’s certificate.

Ask Legion for the certificate of analysis5 things to ask for

The lot number printed on your bottle, and the certificate of analysis for that lot
Each active ingredient as measured, against the label claim, in the label’s unit
Lead, arsenic, cadmium and mercury results, each with the limit the lab used
The laboratory’s name, the test method and the test date
Whether the laboratory is independent of the brand

A certificate the brand commissions is manufacturer-sourced; read it as the brand’s own document.

Compare with the magnesium bottles that have numbers3 bottles

What the lab printed

Each figure as its document printed it, in that document’s unit. Two documents that print the same digits in different units are two rows; nothing is averaged.

5 figures

Labdoor

Every figure the documents printed
Analyte	Result	Claim or limit	Document
Magnesium	164.0 mg	Claim 150.0 mg	Review page
Lead	Below LOQ	USP Limit 5.0 μg/day	Review page
Arsenic	0.33 μg/serving	USP Limit 15.0 μg/day	Review page
Mercury	Below LOQ	USP Limit 15.0 μg/day	Review page
Cadmium	0.15 μg/serving	USP Limit 5.0 μg/day	Review page

How the evidence score reads this record

Rubric-1 scores the published evidence, not the product. A part with nothing public is left unscored, never counted as zero.

Rubric-1

50% of the rubric could be scored

Evidence score: 60
Rubric coverage: 50%

Each part of the rubric and what it read
Part of the rubric	Points	What it read
Recency of independent measured results	20 of 20	24 months or newer
Independent source count	6 of 15	1 organization
Quantitative concordance	Not scored	Displayed. No source-stated pass or fail.
Method transparency	4 of 15	Grade or third-party phrase, no method.
Certification	Not scored	Not listed or expired.
Failure and warning	Not scored	Enforcement scan not completed.

Every public record

In reading order, each with the sentence that holds the figure, its link and the date we retrieved it.

7 records

LabdoorMeasured resultArsenic: 0.33 μg/serving
Arsenic Found 0.33 μg/serving USP Limit 15.0 μg/day
labdoor.com/review/legion-sucrosomial-magnesium · retrieved Oct 23, 2026
LabdoorMeasured resultCadmium: 0.15 μg/serving
Cadmium Found 0.15 μg/serving USP Limit 5.0 μg/day
labdoor.com/review/legion-sucrosomial-magnesium · retrieved Oct 23, 2026
LabdoorMeasured resultLead: Below LOQ**
Lead Found Below LOQ** USP Limit 5.0 μg/day
labdoor.com/review/legion-sucrosomial-magnesium · retrieved Oct 23, 2026
LabdoorMeasured resultMagnesium: 164.0 mg
Magnesium Found 164.0 mg Claimed 150.0 mg
labdoor.com/review/legion-sucrosomial-magnesium · retrieved Oct 23, 2026
LabdoorMeasured resultMercury: Below LOQ**
Mercury Found Below LOQ** USP Limit 15.0 μg/day
labdoor.com/review/legion-sucrosomial-magnesium · retrieved Oct 23, 2026
LabdoorGrade only
LABDOOR SCORE 99.3 of 100
labdoor.com/review/legion-sucrosomial-magnesium · retrieved Oct 23, 2026
LabdoorGrade only
A+ Legion Sucrosomial Magnesium
labdoor.com/rankings/magnesium · retrieved Oct 23, 2026