Magnesium 4-in-1 Complex - Supports Immune Health, Promotes Muscle Relaxation and Bone Health, and Helps Improve Sleep Function: Promotes muscle relaxation and bone health Ingredients: Magnesium bisglycinate, magnesium malate, magnesium citrate, magnesium oxide Directions: Take two (2) capsules once daily Shipping: Ships within 48 hours on weekdays Shelf life: 2 years 4-in-1 Magnesium Complex: Buporai Magnesium Complex is a highly absorbable magnesium blend containing 240 mg of magnesium glycinate, magnesium malate, magnesium citrate, and magnesium oxide that provides a variety of benefits. Supports Immune and Neurological Health: Magnesium glycinate and magnesium citrate are highly bioavailable chelates that support healthy neurological function, promote energy production, and immune health. Healthy Muscles, Bones, and Heart: Magnesium glycinate, magnesium malate, magnesium citrate, and magnesium oxide help maintain healthy muscle function and cardiovascular health. Magnesium also works synergistically with calcium to support bone strength. This formula is one of the best magnesium supplements for men and women. Pure Formula: Buporai 4-in-1 Pure Magnesium is vegan, non-GMO, gluten-free, soy-free, and naturally healthy. This formula does not use any cheap or unnecessary fillers, colors, stearates, or binders.