About this item

• Only Form of Magnesium able to Support Magnesium Levels in the Brain: Magtein is the only form of magnesium clinically proven to support magnesium levels in the brain
• Clinically Studied for Cognitive Health: Multiple clinical studies show Magnesium L Threonate can help support cognitive health
• Highly bioavailable form of Magnesium: L Threonate is a mineral chelating agent that is able to greatly enhance the bioavailability of magnesium making it highly absorbable
• Non-Gmo and Gluten Free: Double Wood's Magtein is gluten free and Non-GMO
• Manufactured in the USA and tested two times for safety and purity: Doublewood High Absorption Magnesium L Threonate Capsules are manufactured right here in the USA: Purity testing is available upon request