Magnesium citrate and other forms of magnesium is to maintain healthy levels, since magnesium deficiency can contribute to a wide variety of symptoms and conditions. These include trouble sleeping, headaches, fatigue, and muscle aches or spams. Our magnesium citrate capsules are 100% pure. pullulan capsules shells are used making these amazing capsules vegan & vegetarian friendly. Each capsule contains 800mg of goodness.