EVIDENCE-BASED SUPPLEMENT SCORING
7.7/10
SOLID OPTION

Confidence: 100%

Jigsaw Health MagSRT (B-Free) | Premium, Organic, Slow Release Magnesium Supplement | Active, Bioavailable Magnesium Malate Tablets | 60 Tablets | 15 Servings

Jigsaw Health MagSRT (B-Free) | Premium, Organic, Slow Release Magnesium Supplement | Active, Bioavailable Magnesium Malate Tablets | 60 Tablets | 15 Servings

B01LOIDXZU

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Decision summary

CONSIDERSOLID OPTION

A solid product, but not a clean win. The main trade-off is weaker dosing.

Best for

Buyers who want a solid pick and can tolerate a couple of trade-offs.

Consider another option if

You want fewer compromises on formulation quality.

Score breakdown

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

Dosage quality

4.0/10

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

The supporting evidence profile is relatively strong. The main limitation is that magnesium: dose 500.0mg exceeds upper_dose 420.0mg.

Strengths

The supporting evidence profile is relatively strong
The formula stays relatively clean on excipients
The formulation has a clearer overall purpose

Weaknesses

Magnesium: dose 500.0mg exceeds upper_dose 420.0mg
Product name or brand not detected (-1)

Final verdict

A solid product, but not a clean win. The main trade-off is weaker dosing.

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 above the upper dose range

Dose is above the upper dose range. One of the weaker points: Dose is below the ranges usually used for stronger effects. 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

Jigsaw Health MagSRT (B-Free) | Premium, Organic, Slow Release Magnesium Supplement | Active, Bioavailable Magnesium Malate Tablets | 60 Tablets | 15 Servings

Jigsaw Health MagSRT (B-Free) | Premium, Organic, Slow Release Magnesium Supplement | Active, Bioavailable Magnesium Malate Tablets | 60 Tablets | 15 Servings

Warnings & notes

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

!

Dose quality may be a limiting factor

Declared amount may be weaker than ideal for a stronger result.

Warning

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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