· Micro Ingredients offers elemental magnesium oxide capsules. Providing a max concentration magnesium form for promoting muscle health, relaxation, and calmness. · Long lasting 500 capsules per bottle, one a day formula, delivers extra-strength magnesium from 400mg of magnesium oxide per serving. · Magnesium plays a crucial role in hundreds of cellular functions throughout almost every cell of the human body and is a mineral that can be obtained through diet and supplements. · Some people refer to magnesium as the “master mineral” due to it having a variety of benefits throughout the body, Micro Ingredients offers one of the gentlest forms of magnesium for easy absorption and maximized benefits. · Premium non-GMO magnesium supplements. Made without soy, dairy, gluten, wheat, peanuts, and tree nuts. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.