Vitamin A: How Does It Work
Vitamin A is an important component of a healthy body, so there should be enough of it in the human diet.
How Vitamin A Works
Vitamin A regulates protein synthesis and is involved in oxidation and reduction processes, promotes proper metabolism, normal cell function and subcellular membrane is directly involved in the formation of teeth and bone, and fat deposits required for the growth of new cells, thereby slowing the aging process.
- Vitamin A has an important effect on vision.
- This vitamin is important for the right functioning of the immunity by taking an active part in fighting infections. Vitamin A supplementation improves immunity and stopping barrier function for the mucous membranes. Retinol protects the body against colds, infections of respiratory and urinary tract, digestive tract. Adequate intake of retinol prolongs life even with AIDS.
- Required vitamin A to maintain and tissue regeneration of the epithelium. Synthetic analogues of retinoids knowingly contained in most modern cosmetics.
- Vitamin A is used for the treatment of nearly all skin diseases (acne, psoriasis, acne, etc.).
- Retinol accelerates healing of skin burns, wounds. It stimulates collagen synthesis, makes better the quality of newly formed tissue, reduces the risk of infection.
- Vitamin A is beneficial for the healthy functioning of lungs and complements the treatment of illnesses of the gastrointestinal tract.
- During pregnancy women are advised to take retinol for normal development of the embryo, its food and reduce the risk of having a child with low weight.
- Vitamin A is a powerful antioxidant, so it’s used for the treatment and prevention of cancer.
- B-carotene neutralizes the most dangerous species of free radicals, protecting brain cells from their destructive actions. It plays an important role in preventing diseases of the arteries and heart.
Daily Requirement for Vitamin A in Russia, UK, USA
- Men (11 - 75 years): 1000 mcg. (Russia, USA); 600 - 700 micrograms. (UK).
- Women (11 - 75 years): 800 mcg. (Russia, USA); 600 mcg. (UK).
- Pregnant: 200 mcg. (Russia); 800 mcg. (USA); 700 mcg. (UK).
- Lactating women: 400 mcg. (Russia); 1200 micrograms. (USA); 950 mcg. (UK).
Vitamin A has been actively involved in the life of the organism. It is worth remembering that you need to take it apart from retinoids, as together they represent a toxic combination.