Medically reviewed by Jamie Johnson, RDN Key Takeaways Too much vitamin D from supplements can lead to harmful blood levels, ...

Vitamin D supplementation appeared to be both effective and safe, though careful monitoring is advised. Vitamin D supplementation demonstrated potential benefits for oncology patients, mitigating the ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Vitamin D is one of the most widely used supplements in the United States, yet it is also one of the easiest to take ...

Add Yahoo as a preferred source to see more of our stories on Google. While most people don’t get enough vitamin D—a nutrient that’s crucial for bone and muscle health—it is possible to get too much.

Alex Yampolsky, PharmD, is a pediatric clinical pharmacist at Elizabeth Seton Children’s center where he optimizes the comfort and care of his patients. Taking vitamin C and D together is generally ...

Both vitamins are good for you. Taking vitamin D, however, is better for directly boosting your energy and immunity, ...