The best supplements for skin health are those that contain retinoids, such as retinol. What is the difference between retinol and preformed vitamin A supplements? Retinol is a type of retinoid ...

No supplement's purpose is to treat, cure, or prevent disease. There are two types of vitamin A in our diets: preformed vitamin A and provitamin A. Preformed vitamin A is found in animal food ...

but it’s best to take vitamin A supplements with meals or snacks containing fat. Your body absorbs preformed vitamin A much more efficiently than provitamin A carotenoids. For example ...

Can menopause supplements and vitamins actually help? Research shows vitamin A, D, B-12, along with some amino acids and herbs may ease symptoms caused by low estrogen. Menopause is a natural ...