Dear Dr. Roach: I am 60 years old and generally healthy, but my vitamin D is low (below 20). I took 50,000 IU of vitamin D2 for six weeks, then 2,000 IU of vitamin D3 daily for the past two years.

Dear Dr. Roach: I have been diagnosed with vitamin D toxicity, according to the blood work from a month ago — my result was 122 ng/mL. I was taking high doses of vitamin D3 in pill form (15,000 IU a ...

Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

A prominent health expert, Dr. Eric Berg, is warning individuals experiencing memory lapses to check their vitamin B12 levels, as a deficiency can trigger symptoms eerily similar to those associated ...

Vitamin D is a health superstar, supporting your body from head to toe. Research suggests that it plays a key role in building strong bones and muscles, keeping your immune system and your ...

Dear Dr. Roach: Are you aware of the possibility of pancreatitis resulting from long-term vitamin D2 supplementation? I was diagnosed with IPMN with chronic pancreatitis after being on 50,000 IU of ...