The source of all kinds of vitamins:
Vitamin A, anti-dry eye vitamin, also known as beauty vitamin, fat soluble, vitamin A is not A single compound, but a series of retinol derivatives (retinol is also translated as vitamin A alcohol, rosin oil), another name anti-dry eye vitamin. More in cod liver oil, animal liver, green vegetables, lack of vitamin A prone to night blindness.
Vitamin B1, thiamine, also known as anti-beriberi factor, anti-neuritis factor, etc., are water-soluble vitamins. It was discovered by Casimir Funk in 1912 (say 1911). It is usually found in living organisms in the form of thiamine pyrophosphate. It's found in yeast, grains, liver, soy, and meat.
Vitamin B2, riboflavin, water soluble. It was discovered by D. T. Smith and E. G. Hendrick in 1926. Also known as vitamin G, it is found in yeast, liver, vegetables and eggs. Lack of vitamin B2 prone to oral inflammation (oral ulcers).
Vitamin B5, pantothenic acid, water soluble, was discovered by Roger Williams in 1933. Also known as pandotic acid. It is found in yeast, cereals, liver and vegetables.
Vitamin B6, pyridoxine, water soluble, was discovered by Paul Gyorgy in 1934. Including pyridoxine, pyridoxal and pyridoxamine. It is found in yeast, cereals, liver, eggs and dairy products.
Vitamin B9, folic acid, water soluble, is also known as pteroylglutamate, pteroylmonogluten, vitamin M, or leaf extract. It is mostly found in vegetable leaves and liver.
Vitamin B12, cyanocobalamin, water soluble, discovered by Karl Folkers and Alexander Todd in 1948, is also known as cyanocobalamin or coenzyme B12. It is found in liver, fish, meat and eggs.
Vitamin C, ascorbic acid, water soluble, discovered by James Lind in 1747, also known as ascorbic acid. It is mostly found in fresh vegetables and fruits.
Vitamin D, calciferol, fat-soluble, discovered by Edward Mellanby in 1922, also known as calcitol, anti-rachitic vitamin, mainly vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). This is a vitamin that the body can synthesize in small amounts. Mostly found in cod liver oil, egg yolk, dairy products, yeast.
Vitamin E, fat-soluble tocopherol, was discovered by Herbert Evans and Katherine Bishop in 1922. There are four main types: α, β, γ and δ. Found in eggs, liver, fish, and vegetable oils.
Vitamin K, naphthoquinones, fat soluble, mainly natural vitamin K1 from plants, vitamin K2 from animals, and synthetic vitamins K3 and K4. Also known as the clotting vitamin. It is found in spinach, alfalfa, cabbage and liver.
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