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

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but ...

Vitamin D is crucial for bone health and immunity, obtainable through sunlight and diet. Supplements, however, can lead to ...

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 ...

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 ...

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but ...

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

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

The Recommended Dietary Allowance (RDA) for vitamin C depends on a handful of factors, including age and sex (for adults): 19 years and older: 90 mg for men, 75 mg for women (85 mg when pregnant and ...

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