Each capsule contains 144 mg of calcium and 68 mg of magnesium from dolomitic lime. This dolomite has been assayed for lead to assure that only very small trace amounts are present, posing no health hazard. Prevents undigested protein from becoming urea. Available in 100 capsule bottles.Uses- Used when a person feels spacey, heart beats hard, indigestion in children, wrinkles on forehead, foam in urine and insomnia.Sources: Magnesium without lead (other magnesium sources are insoluble). DO NOT USE WITH A POTASSIUM DEFICIENCY