Most people do best when they take vitamin B in the morning or early afternoon. “Many B vitamins, particularly B12 and B6, ...

Take vitamin D supplements only under medical guidance, follow prescribed doses, and get regular blood tests to monitor ...

From omega-3s to probiotics, researchers have tested dozens of “natural” treatments for anxiety and depression. Only a few ...

We reviewed dozens of studies and spoke with researchers to find out whether any supplements demonstrate anti-inflammatory ...

Researchers from the University of Surrey in the UK found that taking vitamin D2 can cause reduced levels of vitamin D3 in ...

Other studies have found similar results. People who take high doses of vitamin D—2,000 IU or more—might actually fall more ...

Vitamin D helps the body absorb calcium, build strong muscles, maintain a healthy immune system, and prevent neurodegenerative conditions.

Since vitamin D accumulates in the body, taking a high-dose supplement may lead to vitamin D toxicity. This causes nausea, vomiting, and weakness.

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

Maintaining a healthy immune system by eating foods rich in vitamin C could help you prevent getting ill in the first place, ...

DEAR DR. ROACH: I recently turned 65 and changed primary doctors because my previous doctor did not accept Medicare patients.