Doctor's Best Vitamin D3 2,000 IU dietary supplement uses science-based nutrition to help regulate calcium and phosphorus levels in your body as a way to produce strong teeth and bones. Vitamin D3 also supports immune health by assisting the chemical messengers in the immune system, and this nutrient may help optimize heart health. Take one soft gel per day with food for best results. This 180-soft gel bottle contains a six-month supply.
