Here's what to know about vitamin D3 benefits, sources, deficiencies, side effects and more. Vitamin D (calciferol) is a fat-soluble vitamin that plays an important role in many bodily functions ...

Symptoms may include: You might experience more severe side effects with higher doses—mainly weekly a 20,000 to 50,000 international unit (IU) dosing. The 50,000 IU weekly dose is the highest possible ...

Vitamin D3 helps the body absorb calcium, while vitamin K2 helps direct calcium to the bones and away from the arteries. Are there any side effects to taking Vitamin K2 supplements? Vitamin K2 ...

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 ...

There are two types of vitamin D supplements available for over-the-counter purchase (vitamin D2 and vitamin D3). Vitamin D3 is the type that most experts believe should be utilized in clinical ...