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Infomation From Vitamin A - K.
Vitamin A
Vitamin A is an essential fat-soluble vitamin required for maintenance of normal vision.
Vitamin A refers to a group of compounds that display vitamin A activity.
Retinol is the principal vitamin A & belongs to the class of chemicals known as the retinoids.
Retinol is, and other retinoids occur in animal tissues.
Beta-carotene, and other carotenoids, also display vitamin A activity, & are sometimes referred to as provitamin A, because they are converted to vitamin A in the body as needed.
Carotenoids occur in plants, and have the added benefit of providing antioxidant activity.
Use:
Supplementary intake of vitamin A is known to improve immune function, improve day, and night vision, reduce eye fatigue, and improve skin function, and structure.
Vitamin A therapy is used in the treatment of skin disorders such as acne, eczema, and psoriasis.
It is also used as supportive therapy in the treatment of respiratory illnesses such as allergies, asthma, bronchitis, and emphysema.
Vitamin B1
Vitamin B1 is a water- soluble vitamin involved in many metabolic reactions.
It is converted in the body into co-enzymes that aid in carbohydrate metabolism.
Vitamin B1 also needed for the production of RNA, and DNA
It is also involved in maintenance of nervous system function.
Vitamin B2
Vitamin B2 is an essential water-soluble vitamin.
It is involved in the production of energy from carbohydrates, fatty acids, and amino acids.
Vitamin B2 involved in the regeneration of one of the body's important antioxidants, glutathione. Adequate intake of the vitamin is essential for good health.
Vitamin B3
Vitamin B3 is a water-soluble essential vitamin. It is functionally active as part of two important co-enzymes-nicotinamide adenine dinucleotide NAD), and nicotinamine adenine dincleotide phosphate (NADP).
These two enzymes are present in every living cell, and involved in many vital metabolic processes including energy production, fatty acids production, glycolysis, and the reduction of cholesterol, and fatty acids in the blood stream.
Vitamin B3 supplementation was shown to reduce “bad” LDL-cholesterol, while increasing “good” HDL-cholesterol.
Vitamin B5
Vitamin B5 is essential for good health, production of energy, and production of hormones: it is an essential water- soluble vitamin. It has many important metabolic functions, primarily as a component of co-enzyme A. Co-enzyme A is important the Krebs cycle (one of the body's energy producing pathways) and in the metabolism of fatty acids. This makes vitamin B5 important in the production of the energy from carbohydrates and fatty acids. It is also involved in carbohydrates and fatty acids. It is also involved in cholesterol and steroid synthesis.
Vitamin B6
Vitamin B6 is an essential water-soluble vitamin.
It maintains good health, boosts immunity, protects against development of some nervous system disorders, and it is used in the nutritional treatment of PMS, and carpal tunnel syndrome.
Vitamin B12
Vitamin B12 is an essential water-soluble vitamin, required for healthy metabolism, and proper nerve function.
Vitamin B12 functions are important for new cell growth, nerve tissue development, folate metabolism (which is important to maintain healthy homocysteine levels), DNA synthesis, and energy production.
It also required for the production of red blood cells.
In addition to vitamin B12 role in maintaining overall health, its use as an energy enhancer is of interest to athletes, the elderly, and anyone who is experiencing low energy levels.
Also the vitamins role in maintaining homocysteine levels is vital to cardiovascular health.
Vitamin C
Vitamin C is a water-soluble essential vitamin that functions primary in the production of collagen, the intercellular tissues that hold the body’s cells together.
It also helps heal wounds, fights infection, maintains healthy capillaries, and promotes healthy gums, and teeth.
Vitamin C is a very important antioxidant, and protects cells from damage; it also prevents the oxidation of folate.
It assists in the metabolism of tyrosine & phenylalanine, and aids in the absorption of iron.
Use:
An adequate vitamin C intake is necessary for good health, and protection from free radical damage.
Vitamin C is commonly used as supportive nutritional therapy in the treatment of several disorders, including bleeding gums, the common cold, allergies, asthma, and emotional stress.
It is also thought to promote cardiovascular wellness, and protect against cancer.
Vitamin D
Vitamin D is known as the “Sunshine vitamin” because it is produced when the body is exposed to the sun’s ultraviolet B (UVB) rays.
It is a fat soluble vitamin, meaning that it is dissolved in the body’s fatty tissues.
The liver, and Kidney help convert vitamin D to its active hormone form.
As people age their need for vitamin D supplement increases.
Studies show that taking vitamin D supplements provides health benefits to people of all ages – in particular building, and maintaining strong bones.
Use:
Produced naturally in the body, vitamin D may offer protection against certain types of cancer, specifically breast, colon & prostate cancer; reduction in joint damage due to arthritis; relief from the symptoms of psoriasis (a skin disorder); can improve immune system function; & protection against the nerve disorder multiple sclerosis.
Vitamin E
Vitamin E is an essential fat-soluble nutrient.
It is mainly known for its role as an antioxidant, protecting the body from free radical damage.
This antioxidant function contributes to a reduced risk of developing certain degenerative diseases, such as coronary heart disease, cataracts, certain cancers, and arthritis; it also protects tissue lipids, and vitamin A from oxidation.
Use
Vitamin E enhances the action of the immune system.
It lessens the severity of inflammation, and premenstrual syndrome, and helps improve circulatory irregularities such as nocturnal leg cramps, and blood platelet adhesion.
Vitamin E inhibits the conversion of dietary nitrites to harmful nitrosamines in the stomach.
Nitrosamines are strong tumour promoters, and implicated in causing gastrointestinal cancers.
Vitamin K
Vitamin K is an essential lipid-soluble vitamin that functions in the synthesis of prothrombin, a substance that is vital for blood clotting.
Without vitamin K, the blood clotting process cannot be initiated.
Individuals, who are physically active, involved in athletics or who are employed in physical jobs where bumps, and bruises frequently occur could benefit from supplement intake of vitamin K.