Supplements containing as much as 12.5 times the recommended daily dose of vitamins are being sold on online marketplaces, according to research by Which?.

The first thing you could do to find out if you’re vitamin D deficient is try an at-home blood test – they’re readily ...

This type of dose should only happen under a doctor’s supervision to correct specific problems. Which? also found Vitamin D ...

BOSTON -- Most healthy adults under 75 can get by with the recommended daily allowance of vitamin D, but some groups should supplement with more, according to a 14-item clinical practice guideline ...

Vitamin D, the sunshine vitamin, is crucial for bones, muscles, mood, and immunity. While essential, excessive intake from ...

NEW YORK (Reuters Health) - Adolescents can safely take, and may need, vitamin D doses that are up to 10 times what is generally recommended, a small study suggests. In a trial that followed 340, 10- ...

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 ...

Study suggests the lowest dose of vitamin D3 supplements needed to suppress parathyroid hormone in overweight and obese adults is 1000 IU daily. For overweight and obese individuals, taking 1000 IU of ...

Share on Pinterest Researchers say the current vitamin D dosing recommendations are insufficient to protect against a cardiac event. Westend61/Getty Images Preliminary results from an ongoing clinical ...

Vitamin D supplements may lower blood pressure in older people with obesity, and taking more than the Institutes of Medicine's recommended daily dose does not provide additional health benefits, ...

Using significantly higher doses of vitamin D than recommended for five years did not affect the incidence of type 2 diabetes in elderly men and women, according to a new study from the University of ...