Magnesium L-Threonate – NEW! Comments Off on Magnesium L-Threonate – NEW! $34.00 Add to cart Category: OtherMagnesium threonate, or magnesium L-threonate is a nutritional supplement that contains the L-threonate form of magnesium for cognitive health.Related Products Estra-Life Topical Cream – NEW! $44.00 Add to cart