America's Compounding Center says the following about Magnesium Orotate:
"Magnesium orotate is a naturaly occurring substance involved in DNA synthesis, maintaining healthy heart function, and in producing energy for the body's cells. Magnesium orotate may be used to treat magnesium deficiency, improve exercise performance, and improve heart function in patients with cardiovascular disease. Dietary sources of magnesium orotate include root vegetables and whey. Typical dosing for magnesium orotate ranges from 500 - 2,000 mg twice daily, to be taken before meals. Magnesium orotate supplementation is generally well-tolerates, but patients may experience diarrhea."