Involved in more than 300 enzymatic processes in your body, its no wonder magnesium is an essential mineral many people choose to supplement into their diet. Solaray Magnesium Citrate 400 is formulated to provide nutritive support for healthy heart, muscle, nerve, and circulatory function. But what good is magnesium if your body has trouble absorbing it? Solaray Magnesium Citrate 400 is chelated with citric acid to both enhance absorption and ease digestion. Now, you can take magnesium for mild or occasional constipation, or magnesium for sleep, and more knowing your body will receive the maximum benefits. Like all Solaray products, Magnesium Citrate is lab verified for potency, purity, and identity.