From vitamins C and D to calcium and magnesium, it’s critical to know whether you’re taking the correct dosage to avoid health problems ...

Vitamin D3 (cholecalciferol) is a form of vitamin D naturally found in some foods and available as a supplement. Your body also creates vitamin D when your skin is exposed to natural sunlight. Vitamin ...

Q: 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 day for three ...

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Vitamin D supplements, combined with diet and exercise, may help ...

Two doses of vitamin D were investigated for their potential to have a positive impact on systolic and diastolic blood pressures when administered in conjunction with calcium. Outcomes in a new ...

Daily higher-dose vitamin D supplementation may help stave off diabetes in an at-risk population, researchers reported. In a meta-analysis of three randomized clinical trials, vitamin D reduced the ...

We don't yet know if vitamin D supplements can boost your immune system, as research on the topic has shown mixed results. If you want to try vitamin D supplements for better immune health, your ...

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 ...

DEAR DR. ROACH: Am I taking too many vitamins, and are there benefits in taking all these vitamins? I started taking fish oil for my heart; 2,000 IU of vitamin D3 was suggested by my ...

Turmeric and vitamin D are both popular supplements for immunity, so what happens when you take them together?

COPENHAGEN, Denmark — High-dose oral cholecalciferol (vitamin D 3) supplementation significantly reduces evidence of disease activity in patients with clinically isolated syndrome (CIS), results of a ...

High calcium levels from vitamin D toxicity can disturb the heart’s electrical system. This can lead to palpitations, ...