Swanson Premium high Potency Vitamin D-3 5,000 IU is our utmost potency vitamin D supplement that is quite popular for its results. Vitamin D is very important for healthy bones, good immune system and mental as well as emotional wellness. The main source of vitamin D is Sunlight, but our production capacity is limited, particularly in the winter season. Swanson Premium high Potency Vitamin D-3 5,000 IU is clinically proven safe for use.
I take these products because my doctor says they are beneficial. And they work!!!!