Verified Supplement Data Primary-sourced

Supplement Stacks — Verified Supplement Data

By Erin Rose · Updated · Methodology · About Us

Evidence-based supplement stacks built around goals, life stages, and medications — each ingredient tied to its evidence and the right form.

Compare Magnesium Glycinate Products by Cost Per Day

Magnesium glycinate appears in more of our stacks than any other single product — here's how it compares on cost per day.

Ranked by cost per day, lowest first — from the Verified Supplement Data catalog, prices reviewed August 2026.
ProductDose/ServingServingsPriceCost/DayCertification (as labelled)Buy
BulkSupplements Magnesium Glycinate Powder
Budget Pick
225mg200$19.97$0.18NoneBuy on Amazon
Vitamin Shoppe Magnesium Glycinate 400mg
Best Value
400mg90$19.99$0.23NoneBuy on Amazon
Nature Made Magnesium Glycinate 200mg
Quality Pick
200mg60$11.20$0.36USP VerifiedBuy on Amazon
Doctor's Best High Absorption Magnesium200mg60$13.99$0.46NoneBuy on Amazon
KAL Magnesium Glycinate 400400mg45$24.79$0.55NoneBuy on Amazon
Thorne Magnesium Bisglycinate200mg60$26.00$0.87NSF Certified for SportBuy on Amazon

The evidence · Magnesium Glycinate

What the published reviews of Magnesium Glycinate concluded

4randomised trials with Magnesium Glycinate in the title, published 2002–2025

Method: PubMed searched in humans for randomised trials with Magnesium Glycinate in the title; these 4 of the 31 that qualified are shown with the authors’ own conclusion quoted rather than summarised. What it cannot tell you: whether Magnesium Glycinate will work for you — each of these reports an average across trials published 2002–2025, and null findings are shown here as readily as positive ones.

About our data

Every comparison uses clinical evidence from PubMed systematic reviews, product label data from the NIH Dietary Supplement Label Database, and third-party certifications (USP, NSF). Products are ranked by cost per clinically-effective dose. See our methodology and editorial standards.