Power Eating by Susan Kleiner

Author:Susan Kleiner [Susan M. Kleiner, PhD, RD; and Maggie Greenwood-Robinson, PhD]
Language: eng
Format: epub, pdf
ISBN: 9781450430173
Publisher: Human Kinetics
Published: 2014-03-17T04:00:00+00:00

Other Vitamins

The fat-soluble vitamins A, D, and K are rarely promoted as exercise aids, most likely because they’re toxic in large doses. Vitamin A, or retinol, is found primarily in animal sources such as liver, fish, liver oils, margarine, milk, butter, and eggs. Vitamin A is involved in the growth and repair of tissues, the maintenance of proper vision, and resistance against infection. It also helps maintain the health of the skin and mucous membranes. Massive doses in excess of the DRI can cause nausea, vomiting, diarrhea, skin problems, and bone fragility, among other serious problems.

Including beta-carotene, also known as previtamin A, is a safe way to ensure good vitamin A status and boost your antioxidant consumption. You have a natural governor in your body controlling vitamin A production: You will manufacture vitamin A from beta-carotene only if your body needs it. The best food sources of beta-carotene are orange, red, yellow, and dark green vegetables and fruits.

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