Another fatty fish that is an excellent source of vitamin D is the swordfish. The USDA lists a 100-gram serving as containing ...
Vitamin D supplements are popular for bone health and immunity. When is the best time to take vitamin D? Here's how to take ...
The U.S. Recommended Dietary Allowance for Vitamin D is 600 to 800 International Units (IU) per day for most adults. However, the research team found that these amounts are often not enough. In some ...