Women who might become pregnant should be especially cautious with vitamin A supplements or avoid them entirely .

For example, 3,000 IU of vitamin A (as retinol) is 900 mcg RAE. About 18,000 IU beta carotene, which is less potent than ...

This is a more unique symptom of riboflavin deficiency, leading to lesions at the corners of your mouth. “You may get scaling ...

Side effects from taking too much vitamin B6—including nerve damage—may be more widespread than we think, Australia's ...

The Australian regulator admits it may have underestimated the extent of the side effects from vitamin B6 supplements ...

Dull strands, flaky scalp, or sudden shedding? Experts break down how vitamin A affects hair health, how much you really need ...

Side effects from taking too much vitamin B6 including nerve damage may be more widespread than we think, Australia's ...

How long it takes for vitamins and supplements to work depends on factors like the type of vitamin, your diet and hydration, ...

Vitamin D supplements are generally in your system after 4 to 12 weeks. Learn more about the importance of consistent ...

Learn about the key indicators of Vitamin D deficiency that appear on the skin and legs, including slow wound healing, itchy and dull skin, leg pain, and excessive sweating. Recognizing these ...

People are being poisoned by taking far too much of a vitamin supplement - with most of those being young and athletes ...

While many assume over-the-counter vitamins are harmless in any combination, certain pairings can create toxic buildups or ...