Magnesium Glycinate 500 mg - Chelated Supplement - High Absorption Form of Magnesium - Support for Sleep, Muscle & Heart Health - Made in USA, Lab Tested & Non-GMO - 240 Capsules
SuppScoreLab compares supplement products for informational purposes. We do not sell products directly, and some links may take you to third-party retailers.
Decision summary
SKIPWEAK
Not a strong option overall. The product is materially held back by weaker formulation coherence.
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).
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
Dose is below the minimum 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
ℹ Dose is within established clinical ranges, but lacks direct studies
Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. 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
ℹ At the minimum effective range, but below the optimal dose with moderate supporting evidence
Dose meets the minimum effective range, but is below the optimal dose used for stronger effects. One of the weaker points: Dose is likely below clinically useful levels. The declared form is acceptable, but not among the best-absorbed options.
Scientific evidence
RCT
Bryan et al. RCT on B vitamins and cognitive function in older adults
Magnesium Glycinate 500 mg - Chelated Supplement - High Absorption Form of Magnesium - Support for Sleep, Muscle & Heart Health - Made in USA, Lab Tested & Non-GMO - 240 Capsules
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.
