Xtra-D3 25,000 IU from AMS® delivers Vitamin D3 in the form of cholecalciferol, essential for overall health and wellbeing. This micronutrient participates in a variety of processes, but it’s not widely present in food and therefore it supplements the body’s nutritional needs which helps in supporting bones and lessening risks of falls and injury specially in older people. Vitamin D3 also helps in strengthening muscle activity and helps enhance immunity.