Amazon.com: Doctor's Best High Absorption Magnesium Glycinate Lysinate ... Doctor's Best High Absorption Magnesium is "not buffered", a term meaning that is it not mixed with less expensive and less absorbable magnesium oxide Frequently bought together This item: Doctor's Best High Absorption Magnesium Glycinate Lysinate, 100% Chelated, Non-GMO, Vegan, Gluten & Soy Free, 100 mg, 240 Count