CanPrev Magnesium Citrate+ - Magnesium citrate is formed when magnesium is bound with citric acid, an organic acid found naturally in citrus fruits. This form of magnesium is easily absorbed in your digestive tract to replenish magnesium levels in the body and in some cases, this form of magnesium is used to resolve constipation. CanPrev’s Magnesium Citrate+ is bound to citric and enhanced with magnesium malate to increase bioavailability, and each capsule offers 150mg of magnesium per capsule to help support better health.