Breakthrough
Magnesium Forms Compared: Glycinate, Citrate, Oxide, Malate, and Threonate — Bioavailability and Outcomes
May 12, 2026 · 4 min read · Magnesium is one of the most-used minerals in supplement form and one of the most confusing. Five common salts dominate the shelf: oxide, citrate, glycinate (bisglycinate), malate, and L-threonate. The science of which form to pick is less dramatic than marketing suggests, but th…