The Story
Unlike most magnesium supplements, Source Naturals Magtein™ Magnesium L-Threonate crosses the blood-brain barrier, making it more easily absorbed and assimilated. Magnesium L-Threonate has been shown to support cognitive health as well as memory function.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Unlike most magnesium supplements, Source Naturals Magtein™ Magnesium L-Threonate crosses the blood-brain barrier, making it more easily absorbed and assimilated. Magnesium L-Threonate has been shown to support cognitive health as well as memory function.






















