Dear M.E.B.: I think many media sources avoid the complexity of the issue. The preferred unit to describe doses of vitamin A are now micrograms RAE, or “retinol activity units.” Different vitamin A ...

After 20 surgeries to remove skin cancers from his face, New York-based journalist John Koten decided to start taking better ...

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

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 ...

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 nobody says how ...

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 ...

The journey to retinol mastery requires patience and strategic planning, especially during summer’s challenging conditions.

Though we picked it up at a Parisian pharmacy last summer, you don't actually need a plane ticket to get your hands on A313 - ...

This article critically reviews leading cosmeceutical ingredients, including niacinamide, retinoids, vitamin C, hyaluronic ...

Experts agree that while you don't have to spend three figures on your products, some higher-priced items have value.