Check the listing for details. Magnesium Glycinate Capsules | 665mg | 250 Count | Buffered | by Carlyle. Condition: New. Listed at 17.09 USD. What is Magnesium?Magnesium is an essential mineral which is involved in over 300 biological processes in the body.* It supports restful sleep, muscle relaxation and a calm mind.* This abundant mineral is naturally present in nutritious foods like fruits, legumes and green leafy vegetables.Superior Form of Magnesium:A supplement can also provide you with an additional source of this essential mineral. Magnesium Bisglycinate is a highly absorbable, chelated form of Magnesium with optimal bioavailability when compared to Magnesium Oxide alone. Looking for the best way to add this compound to your routine with a premium formula?Carlyle's Magnesium Bisglycinate:Carlyle's Buffered Magnesium Bisglycinate 665 mg is a superior form of this essential mineral. Our formula is Gluten-Free, Non-GMO and naturally free of preservatives. Quick-release capsules make it super convenient to add to any routine. Get exceptional support at an incredible value on all minerals with Carlyle!