4-in-1 Magnesium Glycinate Complex, 976mg of Magnesium Glycinate

What the brand says

Sold as “4-in-1 Magnesium Glycinate Complex, 976mg of Magnesium Glycinate, Citrate, Malate, L-Threonate & Vitamin B6 Supplement for Health | Third Party Tested, Gluten Free, Non-GMO - 90 Capsules”