There are two types of vitamin D supplements available for over-the-counter purchase (vitamin D2 and vitamin D3). Vitamin D3 is the type that most experts believe should be utilized in clinical ...

Vitamin D, in D2 (plants) and D3 (sunlight, foods), supports overall health, including bone health, immune function, calcium absorption, and muscle strength. D2 fortifies foods, while D3 is found in ...

Vitamin D is far more than just a "sunshine vitamin"; it's a critical pro-hormone essential for numerous functions that support health, fitness, and vitality. Its most well-known function is ...