Supplements for muscle recovery include creatine, turmeric, and vitamin C. Many athletes use these to improve performance and ...

Everyone knows vitamin D-- it's the nutrient we get from the sun. Vitamin D is important for several bodily functions, the main ones being bone and muscle strength and immune function. Still, about 35 ...

Add Yahoo as a preferred source to see more of our stories on Google. Here’s what to know about vitamin D benefits and risks, particularly when it comes to ending fatigue. (Getty Images) You might ...

Plus, how to tell if you need to supplement at all.

Adults and children over four years old should take 10 micrograms (400IU) of vitamin D per day during the autumn and winter.

Taking both a multivitamin and vitamin D can help support nutrient needs, but it's important to keep your total vitamin D intake within safe limits.