Magnesium L Threonate is a dietary supplement that supports cognitive function and sleep by delivering highly bioavailable magnesium in the Magtein form. Formulated by doctors, it uses Magtein for superior brain delivery. That means more magnesium in the brain, which supports learning and memory. Dr Mercola has built a reputation for high quality and trusted sourcing since 1997. The capsules are gluten free, Non GMO and soy free for gentle daily use.

Available Sizes & Variants:

90 capsules - convenient daily dose for ongoing cognitive support

Benefits & Features:

• Brain friendly magnesium that is easily absorbed.
• Magnesium L Threonate crosses the blood brain barrier to raise brain magnesium, supporting learning and memory.
• Clinical research shows improvements in executive function, working memory and attention in older adults with cognitive concerns.
• Magtein, the branded form, is specifically noted for brain delivery, helping memory, focus and overall cognitive clarity with gentler digestion than many other magnesium salts.
• Non GMO, gluten free and soy free for easy daily use.

Magtein is the branded magnesium L Threonate form used in this Dr Mercola product. Scientific research shows magnesium l threonate crosses the blood brain barrier and raises brain magnesium, supporting learning and memory. A 2010 study in the Journal of Neuroscience by Slutsky and colleagues linked brain magnesium increases with Magtein to cognitive improvements. Built on Dr Mercola's health-first heritage since 1997, the formula uses non GMO, gluten free and soy free ingredients, crafted with care for daily wellness and magnesium for sleep support, and is regarded as among the best magnesium supplement options.