Heart & Bone Health: Magnesium, one of the most important minerals, plays an essential role in supporting normal heart function, muscle, and bone strength.* Heart Health: Supports already normal heart function.* Vitamins/Minerals/Amino Acids: supplement formulated to provide beneficial support in filling important nutrient gaps.* Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free. For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.