A proper intake of healthy food and essential nutrients is necessary to maintain an overall level of fitness
What are nutrients exactly, and why do we need them?
Nutrients are substances provided by food that are necessary for growth and survival. They fall into to categories, organic and inorganic. Organic nutrients include proteins, carbohydrates, fats, and vitamins. Inorganic nutrients are usually minerals. Nutrients that our bodies require in larger quantities are called macro-nutrients and those needed in fairly small quantities are called micro-nutrients.
Vitamins :
A vitamin is an organic substance required in tiny amounts essential for the human metabolism to work properly. Vitamins are found in foods or produced by our bodies. They can also be manufactured commercially as health vitamin supplements. Insufficient vitamins in our diet, can cause serious ailments.