EVIDENCE-BASED SUPPLEMENT SCORING
9.4/10
TOP TIER

Confidence: 100%

tnvitamins Magnesium Glycinate 300mg, 90 Capsules | High Absorption Chelated Magnesium for Sleep, Calm & Muscle Support* | Non-GMO, Gentle, Non-Laxative | TNVitamins

tnvitamins Magnesium Glycinate 300mg | High Absorption Chelated Magnesium for Sleep, Calm & Muscle Support* | Non-GMO, Gentle, Non-Laxative | TNVitamins

B0B4PRL1SK

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Decision summary

CONSIDERTOP TIER

A strong option overall. Its main value comes from evidence quality, but the listed weaknesses are still worth checking…

Best for

People prioritizing high absorption and overall formula quality.

Consider another option if

You need a very specific optimization beyond what the current scoring output captures.

Score breakdown

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

Dosage quality

9.0/10

Strong dosing for the intended goal

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

Magnesium: dose within clinically studied range (evidence A). The main limitation is that product name or brand not detected (-1).

Strengths

Magnesium: dose within clinically studied range (evidence A)
Magnesium: high-bioavailability form declared (Magnesium Glycinate)

Weaknesses

Product name or brand not detected (-1)

Final verdict

A strong option overall. Its main value comes from evidence quality, but the listed weaknesses are still worth checking before buying.

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.

ℹ Evidence is strong, but dose is below the optimal range

Strong contributor: Dose is strong and within effective ranges. The declared form supports strong absorption.

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

tnvitamins Magnesium Glycinate 300mg, 90 Capsules | High Absorption Chelated Magnesium for Sleep, Calm & Muscle Support* | Non-GMO, Gentle, Non-Laxative | TNVitamins

tnvitamins Magnesium Glycinate 300mg, 90 Capsules | High Absorption Chelated Magnesium for Sleep, Calm & Muscle Support* | Non-GMO, Gentle, Non-Laxative | TNVitamins

Warnings & notes

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

There is a formulation caveat worth noting

Product name or brand not detected (-1)

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.

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