Quality Health High Strength Magnesium 100 may help to relieve muscular cramps and spasms and provide energy to muscles. Helps support healthy magnesium levels. Specially formulated to combine 2 types of Magnesium, Calcium, Manganese, Vitamin B6 and Vitamin D3 to help assist optimal healthy muscle function. Nut free, Gluten free, Dairy free, Lactose free and No artificial sweeteners.