Pregnancy-safe magnesium drink mix to support relaxation‡ Our Magnesium Plus drink mix is formulated with a blend of magnesium, calcium, and vitamin D3 to support relaxation, calcium absorption, and bone health.‡ Formulated to help restore magnesium levels, this magnesium powder drink mix may help ease tension.‡ Our Magnesium Plus is formulated to be safe to use during pregnancy and breastfeeding. With just the right amount of raspberry flavor, our magnesium supplement powder is tasty and refreshing.