"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Do you ever feel like you take an endless supply of vitamins and supplements but are potentially not ...

More than 40 percent of the U.S. population is estimated to have a vitamin D deficiency, especially in regions with less year-round sun exposure. The vitamin, which is vital for the body’s absorption ...

One of the groups (109 participants) received 400 IU of vitamin D per day, another (100 participants) received 4,000 IU per day, and the third group (102 participants) received 10,000 IU of Vitamin D ...

Running errands, wrestling with work deadlines, doing yardwork and household chores, tending to family and loved ones’ needs — we all have days that prove taxing and tiring. But when tiredness and out ...

Excess of vitamin D in your body can cause vitamin toxicity or hypervitaminosis which may lead to many health problems. While there has been a lot of talk around vitamin D deficiency in Indians and ...