The most widely known vitamins are: A, B1, B2, and B3 (niacin), B5, B6, B7, B9, B12, C (ascorbic acid), D, E, and K.
The B and C vitamins are soluble in water, while A, D, E, and K vitamins are fat-soluble, and accumulated in the body fat.
Consequently, it is significant to understand the importance of nutrition in order to be healthy from day-to day.
Nowadays, people are making changes in their lifestyle and include proper nutrition.
For example, the intake of fast food meals tripled between 19, and calorie level magnified four times during the same period.
Nevertheless, it is insufficient explanation of phenomenal rise in the obesity levels in the well-developed countries.
Taking the aforementioned into account it is apparent that in order to receive optimal health, humans require a various, well-balanced diet that includes a complex mixture of both macronutrients and micronutrients.
Understanding sufficient nutrition as a component of nutrient metabolism helps us to control and maintain proper health condition.
This connection between nutrition and Immune System is the key to health.
Nowadays, foods are full of chemicals and pesticides, as a consequence, plant food now have nutrition losses (Bio Net, 2007).