Abstract
Objective: This study aimed to describe the importance of water soluble vitamins (B6, B12 and C) and to verify the consequences of the excess and the lack of vitamins of these vitamins in the diet of the people.Material and Method: This is a review of the scientific literature of the periodicals available in the Virtual Library in Health (VHL) and Scientific Electronic Library Online (SciELO) on the proposed theme. Result: Vitamin B12 is important in several phases of the body, for example in the growth, development and maturation of cells. Vitamin C is of utmost importance for human development because it is responsible for our immune system and can be easily found in citrus fruits and it plays an important role in our development. Vitamin B6, has a great importance in the processes of coenzymes. Conclusion: The water soluble vitamins (B6, B12 and C) are substances that act in the formation and maintenance of essential components to the functioning of the human organism. However, the excess and lack of these vitamins can lead to health damage.