Vitamin D supplements are generally in your system after 4 to 12 weeks. Learn more about the importance of consistent supplementation to sustain results.

Greens powders have become a popular, convenient way to add more nutrients to busy routines. They can help with micronutrient ...

Learn how to choose the healthiest peanut butter and what vitamin D can do for your immune system in the winter, plus more wellness tips from this week.

A randomized trial from Vanderbilt-Ingram Cancer Center reveals that magnesium may be the missing key to keeping vitamin D levels in balance. The study found that magnesium raised vitamin D in people ...

Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether supplements might help protect you. Vitamin D is thought to play a protective role ...

As we enter our 50s, it's time to reassess our intake of calcium, which helps mitigate bone loss, and vitamin D, which helps us absorb calcium. That's because women lose about 3% of their bone mass ...

Everyone seems to be talking about protein right now—and for good reason. “Protein is the building block of every tissue in our body, from muscles and bones to organs, skin, and hair,” says Rachel ...

SEATTLE — As Pacific Northwesterners go deeper into the "big dark," some may wonder about their vitamin D levels. "It's so unique because it's the one vitamin that we actually get from the sun, ...

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, ...