Thorne

Thorne Magnesium Bisglycinate

TRAACS®-chelated magnesium bisglycinate for superior absorption. Supports restful sleep, muscle relaxation, heart health, and metabolism. 120 capsules, 200mg elemental magnesium per 2-capsule serving. Third-party certified, gluten, dairy, and soy-free.

Research last verified August 19, 2026

84/ 100

Ethos Score

84/ 100

Score is computed from the five dimensions below using verified research inputs.

The Takeaway

NSF Certified for Sport magnesium bisglycinate. Highly absorbable chelated form with independent certification.

Best For

  • • Drug-tested athletes needing certified magnesium
  • • People prioritizing a highly absorbable chelated form

Watch Out For

  • • Premium pricing vs. uncertified glycinate options

Why this score

Score covers 85% of the full 100-point weight. Dimensions with no verified input are excluded from the calculation.

Evidence & Dose
85/ 100

Magnesium bisglycinate (a chelated form) has good bioavailability evidence. Dosing is appropriate for general supplementation.

Formula Quality
88/ 100

Magnesium bisglycinate — a well-absorbed chelated form. Clean label, no unnecessary fillers.

Testing & Transparency
90/ 100

NSF Certified for Sport.

Toxins & Contaminants
Pending

No product-specific contaminant data.

Real Cost / Value
60/ 100

Premium pricing; NSF certification and chelated form are the main value drivers.


Real Cost

Thorne Magnesium Bisglycinate — 120 Capsules · Thorne Magnesium Bisglycinate 120 Capsules

One-time purchase

$44

Cost per serving: $0.73

No verified official purchase link is available


Formula

Key Active Ingredients

  • Magnesium (Magnesium Bisglycinate)

    200 mg

    2 capsules

Testing & Transparency

Independent certification

No public certification verification is listed

Public test source

No product-specific test source is linked

Certifications

NSF Certified for Sport

NSF Certified for Sport. A public certification lookup link was not retained in the supplied research, so this is not presented as independently verified.

Toxin & Forever Chemical Report

This section shows product-specific contaminant and PFAS (forever chemical) test results where available. “No Product-Specific Data Found” is not a purity pass — it means no public test result was located for this exact product. Organic, non-GMO, and similar certifications are agricultural standards and do not verify contaminant levels.

Heavy Metals (Lead, Cadmium, Arsenic, Mercury)
No Product-Specific Data Found
PFAS / Forever Chemicals
No Product-Specific Data Found

No product-specific contaminant data.


Evidence

No structured expert findings are available for this product yet. The research summary in the score dimensions above reflects the current state of our analysis.

Sources