Kappa Nutrition Powered by Magbrain™ Magnesium L-Threonate

What the brand says

Sold as “Kappa Nutrition Powered by Magbrain™ Magnesium L-Threonate Plant-Based, 420mg Elemental Magnesium (3 Capsules) from 2,253mg, 120 Vegan Capsules, Brain, Sleep & Muscle Support.”