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Bodybuilding Supplements information and reviews

Creatine MonohydrateCreatine Monohydrate
Egg ProteinEgg Protein
Fat BurnersFat Burners
Micellar CaseinMicellar Casein
Protein BarsProtein Bars
Ready-To-Drink ShakesRTD Shakes
Soy ProteinSoy Protein
VitaminsVitamins
Whey ProteinWhey Protein
Weight GainersWeight Gainers
Vitamin BVitamin B
Folic AcidFolic Acid
Vitamin CVitamin C
MultivitaminsMultivitamins
Vitamin EVitamin E
Vitamin DVitamin D
Vitamin AVitamin A
NiacinNiacin
Pantothenic AcidPantothenic Acid
Liquid VitaminsLiquid Vitamins
Pre-Natal VitaminsPre-Natal Vitamins
Children's VitaminsChildren's Vitamins

Vitamin A Information and Products

Vitamin A- The definition and source of Vitamin A: The body fat stores Vitamin A which is soluble in fats. Vitamin A supplement is not required to be taken daily though it is essential for the human body. The human liver stores almost 90 per cent of Vitamin A. Vitamin A is mainly found in two forms: the preformed Vitamin A known as Retinol or Beta Carotene known as Retinoids. Beta Carotene is the predecessor of Vitamin A which is formed in the human intestine, liver and the kidneys. Deep yellow and deep green leafy vegetables as well as fish liver oils, egg yolk, liver and fortified foods like milk or margarine are full of Vitamin A.

The function and the scientific study evidences of Vitamin A: Vitamin A is essential for combination of photoreceptor pigments of rods and cones, reliability of skin and mucosae, normal tooth and bone development, normal reproductive capabilities as well as it has vital antioxidant properties. It also promotes forming rhodopsin substance which is especially required for better night vision. Vitamin A also helps in maintaining membranes, inner-linings, tissues, skin and eyes in proper state. It energizes cells in immune system and also acts as the antioxidant. It is better to prevent free radicals before they stop you.

Recommended dosage and its side effects: The recommended dosage of Vitamin A for male is 5000 IU or 1.5 mg and for female 4000 IU. However, Vitamin A dosage of more than 50,000 IU can always be toxicating and causing severe damage to vital organs of the body. For getting the best results prefer to remain within suggested dosage. Whereas Beta Carotene is considered non-toxic even if taken in higher doses as body transforms only the required quantum to Vitamin A; but however the maximum level of Beta Carotene dose is supposed to be 17,500 IU. The medicinal interactions include lesser effect of Phenytoin and enhance Oral anticoagulants effects.