Vitamins can either be synthesized in the body, and do it with food.Currently, often meets with vitamin deficiencies of these vitamins, so they are easily destroyed under the influence of alcohol, caffeine, nicotine, and by eating large amounts of refined sugars.The increased amount of vitamins must be under stress and diseases of the gastrointestinal tract (colitis, gastritis, peptic ulcer disease).
Vitamin B1 participates in the production of energy from carbohydrates and fats, ensure the normal functioning of the nervous system, has a positive effect on intelligence and memory, supports the digestive system.With his lack of having constipation, irritability, reduced memory.
Vitamin B2 has a positive effect on the skin, is involved in the healing of the skin and mucous membranes, protect the retina from UV rays, it helps t
o absorb iron.With his lack of poorly healing wounds, flaky skin, decreased hemoglobin level, deteriorating eyesight, there is weakness and drowsiness.
Vitamin B6 is involved in blood formation, metabolism of proteins and cholesterol, improves the immune system, as involved in the formation of antibodies.He also has a positive effect on the skin, nails and hair, and ensure the normal operation of the central nervous system.With his lack immunity decreases, anemia and problems with the skin.
Vitamin B12 is involved in the nervous system, in the formation of energy from protein, fat, carbohydrates, in the formation of folic acid, lowers blood cholesterol.With a lack of loss of memory, attention, ability to concentrate, appears distracted thoughts.In severe shortage of vitamin decreases intelligence, there can be problems with speech.

Most vitamins contained in pulses, sprouted grains, dairy products, liver, fish and eggs.Also, its a lot of green vegetables, melon, squash and carrots.