Muscle Heart Supplement by Slow Magnesium combines a refreshing raspberry lemon flavor with essential nutrients designed to support muscle function and heart health. This supplement is formulated to provide optimal magnesium levels which may help in maintaining normal muscle contraction and relaxation while supporting cardiovascular health. Enjoy the great taste while enhancing your wellness routine. Product Benefits. Supports Muscle Function And Recovery. Promotes Heart Health. Refreshing Raspberry Lemon Flavor.