Vitamins are a group of organic amine compounds which have vital functions in the metabolism of living things. Vitamins can not be produced by the body, and if living things (humans, animals and plants) vitamin deficiency, then adversely affect the body's metabolism and growth and are vulnerable to disease.
Vitamin derived from the Latin: vita (life) and amine / amine refers to an organic group having a nitrogen atom (N), because at first vitamin considered so. Later known that many vitamins are devoid of atoms N. Viewed from the side enzimologi (the science of enzymes), vitamins are cofactors in the chemical reactions catalyzed by enzymes. Basically, this vitamin compound used by the body to be able to grow and develop normally.
Green vegetables and beans are good sources of vitamin A and B are high
Vitamin A, also known as retinol, a vitamin that plays a role in the formation of the sense of sight is good, especially at night, and as one of the components of the pigment in the retina of the eye. In addition, this vitamin also plays an important role in maintaining healthy skin and immunity. This vitamin is easily damaged by exposure to heat, sunlight and air. Food sources of vitamin A, such as milk, fish, vegetables (especially green and yellow), and fruits (especially red and yellow, such as red pepper, carrot, banana, and papaya) .
If there is deficiency of vitamin A, the patient will experience night blindness and cataracts. In addition, patients with vitamin A deficiency may also experience respiratory infections, immune deficiencies, and skin conditions that are less healthy. Excess intake of vitamin A can cause toxicity in the body. Diseases that can be caused, among other headaches, hair loss, dry scaly skin, and fainting. Moreover, when it is in a state of acute, excess vitamin A in the body can also cause myopia, inhibition of growth of the body, swelling of the liver, and skin irritation.
In general, group B vitamins play an important role in the metabolism in the body, especially in terms of energy release during the move.  It is related to its role in the body, which is a coenzyme compounds that can increase the rate of metabolic reactions to various types of energy sources . Some types of vitamins are classified in the group of B vitamins also play a role in the formation of red blood cells (erythrocytes). The main source of vitamin B derived from milk, wheat, fish, and green vegetables.
Vitamin B1, also known as thiamine, is one type of vitamin that plays an important role in maintaining healthy skin and help convert carbohydrates into energy needed for the body's daily routine. In addition, vitamin B1 also helps metabolize protein and fat. When there is deficiency of vitamin B1, the skin will experience a variety of disorders, such as dry and scaly skin. The body can also suffer from beri-beri, digestive disorders, heart and nervous system. To prevent that, we need a lot of eating lots of wheat, rice, meat, milk, eggs, and legumes. Foodstuff is a proven contains vitamin B1.
Vitamin B2 (riboflavin) plays an important role in the metabolism of many in the human body. In the body, vitamin B2 serves as a coenzyme flavin mononucleotide kompenen (flavin mononucleotide, FMN) and flavin adenine dinucleotide (adenine dinucleotide, FAD). Both of these enzymes play an important role in the regeneration of energy for the body through the process of respiration. This vitamin also plays a role in the formation of steroid molecules, red blood cells, and glycogen, as well as support the growth of various organs, such as skin, hair, and nails. Sources of vitamin B2 are found in fresh vegetables, soybeans, egg yolks, and milk. Defisiensinya can cause immune deficiencies, dry flaky skin, dry mouth, chapped lips, and mouth sores.
Vitamin B3 also known as niacin. This vitamin plays an important role in the metabolism of carbohydrates to produce energy, fat metabolism, and protein. In the body, vitamin B3 has a major role in maintaining blood sugar levels, high blood pressure, cure migraine and vertigo. Different types of toxic compounds can be neutralized with the help of this vitamin. Vitamin B3 is one type of vitamin that is found in animal foods, such as yeast, liver, kidney, meat, poultry, and fish. However, there are several other food sources that also contain high levels of this vitamin include wheat and sweet potatoes. Lack of this vitamin can cause the body to experience spasms, muscle cramps, gastrointestinal upset, vomiting, and nausea.
Benefits and Functions of Folic Acid (Vitamin B9)
Benefits and functions of vitamin B9 folic acid enough. Benefits and functions are functions of red blood cells, the function of the DNA, the benefits for pregnant women, menstrual symptoms, body tissue growth, prevention of birth defects, brain function, heart, hair growth. With regular consumption of folic acid means preventing hair loss. For example, the old man who had experienced hair loss on the head, hair loss on the body, can be treated with the use of folic acid in their daily consumption. The recommended amount of folic acid 400 mcg per day. Can be obtained on cereals, vegetables, and fruits. If you already ate those still experiencing hair loss, you can take folic acid supplements are directly listed more than 400 mcg pertablet / capsule.
Benefits of Vitamin Biotin (B7) In Hair
Benefits enough biotin for health and beauty in cosmetic products in the community. Benefits such as biotin too much energy metabolism, hair growth, nail growth, lose weight, regulate blood sugar levels, maintain a healthy male sex organs, and helps the formation and circulation of red blood cells in the spinal cord.
Vitamin B7 is contained in the type of natural food sources such as chicken liver, egg yolks, and yeast. So also found in cheese and salmon. For the chicken liver vitamin B7 to 200 mcg per 100 grams. To the yolks contain vitamin B7 of 60 mcg per 100 grams. For yeast containing vitamin B7 of 200 mcg per 100 grams. For fish itself contains 3 to 24 mcg of vitamin B7 for each dish 100 grams.
Vitamin C (All Things Women Need to Know About Vitamin C Skin Lightening)
One of the beauty that is highly desired by women were white.
Whiten skin in a natural way to the synthesis of materials that were encountered. Use of vitamin C injection for skin whitening has been widely proven and is already very popular.
Understanding How it Works Vitamin C in Skin Whitening
- Effects of Skin Color Pigments In.
One major cause is the amount of dark skin pigment melanin in the skin. Melanin is a dark color so that more numbers will make the skin darker.
- Reduce the amount of Vitamin C in Skin Pigment.
Vitamin C has the ability to reduce the amount of pigment in the skin. So that a regular intake of vitamin C can make skin more white.
- Exposure to Sunlight Increases Number of Pigments in Skin.
The more exposed to sunlight, the pigments in the skin will increase. Use sunblock to protect the skin from the sun can cause vitamin D deficiency that results in bone health. So the consumption of vitamin C could be a solution.
- Skin Color Real.
The actual color of our skin can be seen on the inside of the upper arm. This section is rarely exposed to sunlight so it still has the original white color. With regular consumption of vitamin C, can whiten the skin on the inside of the arm like this. This is made possible with the white level of vitamin C.
There are several types of food sources that contain high vitamin C content. The most popular are orange with a content of 30-50 mg per 100 g of fruit juice. However, there are several other sources that have a higher content of guava include abortion twice richer than oranges. Even red peppers four times more than oranges. Other rich sources of vitamin C include kiwi fruit, longan fruit, papaya, broccoli
Other Benefits of Vitamin C for Skin
Consumption of vitamin C can increase collagen synthesis in the body. Which of these collagen can tighten the skin. Whereby the consumption of vitamin C may indirectly keep the skin taut.
Benefits and Functions of Vitamin B Complex
Benefits and Functions of Vitamin B Complex are:
- Energy Production For Body
- Hair, Nails, and Skin
helps in cell regeneration and growth of body tissues is vitamin B2, vitamin B3, vitamin B5 and vitamin B7. Vitamin B2 function in the growth of nails and hair. Vitamin B3 to make the skin look healthy and beautiful. Vitamin B5 serves to help the healing process in injured skin (repair damaged skin cells). Last vitamin B7 is used in beauty cosmetics beauty care not medical as well as help in maintaining the health of the baby's scalp.
- Assist in the process of controlling the cholesterol in the body
- Growth and Production Cells (Vitamin B complex is a specific type was able to function as cell regeneration.)
- Immune System and Disease Prevention
- Helping to improve the function of the nervous system
- Cancer Prevention
- Overcoming Stress
Benefits and Functions of Vitamin B12 (Cobalamin)
- Vitamin B12 also plays a role in the metabolism of the human body. Vitamin B12 plays a role in normalizing the function of the nerves and the brain, in addition to the formation of red blood cells in the body
- Manufacture of DNA and RNA
- Protecting the Nervous System
- Latest facts stated by consuming vitamin B12, folate, and vitamin B6 at doses high enough to prevent someone from developing AMD. What is AMD? AMD is a disease of the eye that can lead to someone losing their sight.
- Vitamin B12 prevents you from premature aging is characterized by hair loss
Provitamin B5 (Panthenol): Benefits For Skin and Hair
Provitamin B5 there are many benefits for humans. One of the benefits is for your skin and hair. Vitamin B5 has a function as a helper in the formation of the body's energy and promote eye health of organs, liver, hair and skin. Besides its function as well as an aide in the production of red blood cells, encouraging sexual needs, and reduce stress hormones.
Use of provitamin B5 is commonly used for beauty products and hair care products. Both in body care, and hair is because provitamin B5 can bind water longer so it can be used as a moisturizer or for no limp or dry hair. Aside from being a moisturizer, now provitamin B5 as a skin protector and healer. So the health products now have many containing provitamin B5.
a. Hair Care Products
In hair care products that use this panthenol, which provitamin B5 able to penetrate into the hair shaft and moisturize hair longer. It makes the hair become more shiny shape and expand. Then also help in the repair process of damaged hair. Then can help you comb your hair when wet though.
b. Skin Care Products
Skin care products are now also contains vitamin B5 today. Even better that you buy on cosmetic products, skin care clinic or to the doctor. Provitamin B5 is used in skin care products due to be able to stabilize the metabolism of the skin surface, provitamin B5, which is applied to the body can penetrate into the deeper layers of the skin and helps in the formation of pigment in the skin. This is why provitamin B5 able to guard the natural moisture balance of the skin and make the skin look smoother and softer.
c. Provitamin B5: Healer and Protector
elain as Hydrator, provitamin B5, also serves as a natural skin healer and protector. When applied to the skin itchy, red and sore, provitamin B5 can be overcome. Then, when the skin is injured and smeared by provitamin B5, provitamin B5 regenerate the skin tissue more elastic and dense that the creation of natural healing. Skin irritation, inflammation of the skin, can cause skin lesions can be cured with a smear of provitamin B5.
Benefits and Functions of Vitamin B6 (pyridoxine)
- Pyridoxine is used for the prevention of heart disease
- Vitamin B6 can also be used to expedite the menstrual cycle for women
- Increase Energy and Strengthen the body's immunity against disease
- Vitamin B6 is able to optimize brain development.
- Keeping the Immune System
- Assist in the development of nerve
- Maintain Blood Sugar Levels
Vitamin D is also one kind of vitamin that is found in animal foods, such as fish, eggs, milk, and other dairy products, like cheese. Parts of the body most affected by this vitamin is bone. Vitamin D can help calcium metabolism and bone mineralization. Skin cells quickly produce vitamin D when exposed to sunlight (ultraviolet rays). When low levels of vitamin D the body will experience an abnormal growth of the foot, where the foot shank to form the letter O and X.  In addition, the tooth will easily be damaged and will experience muscle spasms. Other diseases are osteomalacia, namely the loss of the element of excessive calcium and phosphorus in bone. The disease is usually found in adolescents, whereas in the elderly, is a disease that can be induced osteoporosis, the brittle bone as a result decreased bone density. Excess vitamin D can cause the body to experience diarrhea, weight loss, vomiting, and excessive dehydration.
Vitamin E plays a role in maintaining health of various tissues in the body, from the skin tissue, the eye, the red blood cells to the liver. In addition, this vitamin can also protect human lungs from air pollution. The value of work-related health vitamin E in the body as a natural antioxidant compound. Vitamin E is found in fish, chicken, egg yolk, yeast, and vegetable oils. Although only needed in small amounts, vitamin E deficiency can lead to fatal health problems for the body, such as infertility in both men and women. In addition, the nerves and muscles will experience prolonged disruption.
Vitamin K has played a part in the formation of good blood circulation system and wound closure. Deficiency of these vitamins can lead to bleeding in the body and blood clotting difficulties during injury or bleeding. In addition, vitamin C also acts as a cofactor for the enzyme catalyzing carboxylation reaction of the amino acid glutamic acid. Therefore, we need to consume a lot of milk, egg yolks, and fresh vegetables are a good source of vitamin K to meet the needs of the body.
By knowing the types of vitamins and their functions in the body, as well as foods that contain these vitamins, it is easy to manage and control the intake of vitamins for your body and your health.
Source : wikivitamin & knowledgemention