Beta-carotene is a fat-soluble substance, also known as provitamin A, because it is converted into vitamin A when it enters the body. It is considered one of the powerful dietary antioxidants that helps neutralize free radicals and is used in skin protection, as well as in achieving an even tan. Dosage Adults and children over 12 years, 1 capsule daily. May be increased to 2 capsules daily if necessary.