We spoke to experts to get the DL on vitamin D3. Here's what to know about vitamin D3 benefits, sources, deficiencies, side effects and more. Vitamin D (calciferol) is a fat-soluble vitamin that ...

and mackerel are among the best natural sources of vitamin D, offering significant health benefits in every serving Vitamin D supplements are a good way to ensure adequate intake, especially for ...

Participants were randomized to receive one of four doses of vitamin D3 supplementation: 200, 1000, 2000, or 4000 IU/d, with 200 IU/d as the reference dose. Cardiac biomarkers, including hs-cTnI ...