Fat soluble vitamins
Vitamin A (retinol and beta-carotene)
Vitamin A and carotene can be obtained from either animal or vegetable sources. The animal form is divided between retinol and dehydroretinol whereas the vegetable carotene can be split into four very potent groups – alpha-carotene, beta-carotene, gamma-carotene and crypto-carotene. With enough beta-carotene available in the body, the body can manufacture its own vitamin A.Vitamin A is required for night vision, and for a healthy skin. It assists the immune system, and because of its antioxidant properties is great to protect against pollution and cancer formation and other diseases. It also assists your sense of taste as well as helping the digestive and urinary tract and many believe that it helps slow aging.
Vitamin D – calciferol
Vitamin D is also referred to as calciferol and can rightly be called the sunshine vitamin, since the body, in a sunny climate can manufacture this nutrient from sunshine on your skin using cholesterol from your body to do so.Vitamin D helps with increasing the absorption of calcium, assists in bone growth and the integrity of bone and promotes strong teeth.
It also helps regulate the amount of phosphorus in the body as well as assisting in a healthy heart and nervous system.
Vitamin E – tocopherol
Vitamin E has earned itself a reputation – from spicing up your sex life to banning wrinkles and old age. One of the most important functions of this vitamin is its antioxidant properties. Vitamin E is an essential fat-soluble vitamin that includes eight naturally occurring compounds in two classes designated as tocopherols and tocotrienols.Vitamin E is an effective chain-breaking, lipid-soluble antioxidant in biological membranes, and aids in membrane stability.
Vitamin K -phylloquinone
Vitamin K (phylloquinone) can be produced in the intestines and this function is improved with the presence of cultured milk, like yogurt, in the diet, Vitamin K is classified as a fat-soluble vitamin.Vitamin K is found in nature in two forms – K1, also called phylloquinone, is found in plants and vitamin K2, also called menaquinone, which can be synthesized by many bacteria. Vitamin K3, menadione, is a synthetic form of this vitamin which is manmade.Vitamin K is used in the body to control blood clotting and is essential for synthesizing the liver protein that controls the clotting.