90 capsules
Sharper thinking, clearer focus, and cognitive support — all in one capsule. MegaFood Magtein® Magnesium L-Threonate Capsules are formulated to support brain function, memory, and mental clarity with a highly absorbable form of magnesium.*
- Features Magtein® — a clinically studied form of magnesium for brain health
- Supports cognitive function, memory, and focus
- Includes bioavailable magnesium L-threonate
- Non-GMO, gluten-free, vegan, and glyphosate residue-free
- Crafted with the trusted quality of MegaFood magnesium supplements






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