NOW Magnesium 400mg Capsules support energy production and nervous system function. Each capsule contains 400mg of magnesium from multiple sources for enhanced absorption. Manufactured in a GMP-certified facility, these capsules are non-GMO, vegan, and kosher. Ideal for daily use to support muscle contraction and bone health. Features Supports energy production Critical for enzyme function Nervous system support Non-GMO Vegan/Vegetarian Kosher certified GMP quality assured Free from common allergens 180 Veg Capsules Magnesium (from Magnesium Oxide, Magnesium Citrate, and Magnesium Aspartate), Hypromellose (cellulose capsule), Microcrystalline Cellulose, Stearic Acid (vegetable source), Silicon Dioxide.NOW Foods is a trusted brand known for high-quality dietary supplements and natural products.Take 1 capsule daily.For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.