EVIDENCE-BASED SUPPLEMENT SCORING
4.1/10
WEAK

Confidence: 72%

Magnesium Glycinate 500 mg - Chelated Supplement - High Absorption Form of Magnesium - Support for Sleep, Muscle & Heart Health - Made in USA, Lab Tested & Non-GMO - 120 Capsules

Magnesium Glycinate 500 mg - Chelated Supplement - High Absorption Form of Magnesium - Support for Sleep, Muscle & Heart Health - Made in USA, Lab Tested & Non-GMO - 120 Capsules

B0G2T32Q53

View on Amazon →

Decision summary

SKIPWEAK

Not a strong option overall. The product is materially held back by weaker formulation coherence.

Best for

Only budget-focused buyers with flexible standards.

Consider another option if

You care a lot about label clarity and want fewer unknowns.

Score breakdown

Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.

Dosage quality

2.0/10

Dosing looks weaker than ideal

Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).

Score summary

Vitamin-d: high-bioavailability form declared (Cholecalciferol (D3)). The main limitation is that magnesium: below clinically studied range.

Strengths

Vitamin-d: high-bioavailability form declared (Cholecalciferol (D3))

Weaknesses

Magnesium: below clinically studied range
Magnesium: chemical form not specified on label
Formula coherence is weak: diluted, decorative or overly complex

Final verdict

Not a strong option overall. The product is materially held back by weaker formulation coherence.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

⚠ Strong evidence exists, but dose is below effective threshold

One of the weaker points: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.

Scientific evidence

Systematic review

Boyle et al. systematic review magnesium and subjective anxiety

Nutrients • 2017

PMID: 28145455.0

Meta-analysis

Dong et al. meta-analysis magnesium intake and type 2 diabetes risk

Diabetes Care • 2011

PMID: 21868780.0

ℹ Dose is within established clinical ranges, but lacks direct studies

One of the weaker points: Dose is below the ranges usually used for stronger effects. The declared form is acceptable, but not among the best-absorbed options.

Clinical dosing guidance

Based on established dosing ranges used in clinical practice.

Min effective: 5 mgOptimal: 10 mgUpper: 20 mgGrade: B

⚠ Strong evidence exists, but dose may be too low to be effective

A clear drag on the formula: Dose is likely below clinically useful levels. The declared form supports strong absorption.

Scientific evidence

Meta-analysis

Martineau et al. meta-analysis vitamin D supplementation and respiratory infections

BMJ • 2017

PMID: 26864360.0

Meta-analysis

Bischoff-Ferrari et al. meta-analysis vitamin D fracture prevention

BMJ • 2009

PMID: 20198382.0

ℹ Dose is below the optimal range with moderate supporting evidence

One of the weaker points: Dose is likely below clinically useful levels.

Scientific evidence

RCT

Bryan et al. RCT on B vitamins and cognitive function in older adults

American Journal of Clinical Nutrition • 2002

PMID: 16920179.0

Magnesium Glycinate 500 mg - Chelated Supplement - High Absorption Form of Magnesium - Support for Sleep, Muscle & Heart Health - Made in USA, Lab Tested & Non-GMO - 120 Capsules

Magnesium Glycinate 500 mg - Chelated Supplement - High Absorption Form of Magnesium - Support for Sleep, Muscle & Heart Health - Made in USA, Lab Tested & Non-GMO - 120 Capsules

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

!

Magnesium dose looks below clinically effective levels

Declared amount falls below ranges used in human trials.

Warning
i

Magnesium form is not clearly declared

Exact ingredient form is not disclosed on the label.

Info

Formula design looks less coherent than stronger alternatives

The formulation appears less focused than better-built options.

Note

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

Still comparing options?

See the best Magnesium supplements ranked with the same methodology, or keep exploring the database.