Getting out in the sun is a good way to promote vitamin D production in your body, but many of us try to boost this ...

Many people do not have side effects from the 50,000 IU dose, but this high a dose should only be taken ... A phosphorus test helps determine if there is kidney damage. Healthcare providers consider ...

Experts reveal everything you need to know about vitamin D, from how likely you are to be deficient, to which supplements to buy and how much is enough ...

randomized trial that tested the effects of Vitamin D3 supplementation on fall risk among adults 70 years or older with low Vitamin D concentration levels. A National Institute of Aging-sponsored ...

The study compared the effects of different doses of vitamin D3 supplementation on two markers of subclinical cardiac disease: high-sensitivity cardiac troponin I (hs-cTnI) and N-terminal pro-b ...

Commonly marketed as an anti-aging product, nicotinamide riboside is an alternative form of vitamin B3 with few side effects ... body naturally falls with age. Low NAD+ levels have been linked ...