Vitamins are used for normal growth, good health, and to increase metabolism. They are found in vegetables, fruits, and other foods. There is a minimum requirement of the vitamin supplements recommended by the United States Department of Agriculture to prevent deficiencies. 

Vitamins are classified into two parts according to their solutions. Vitamins like A, D, K, and E are fat-soluble and it can be stored in the body which contains oxygen, hydrogen, and carbon. 

Vitamin C and vitamins of group B: vitamin B1, B2, B3, B5, B6, B7, B9 and vitamin B12 are water-soluble vitamins and it cannot be stored in the body. The water-soluble vitamins contain nitrogen, and sometimes sulfur.

You can also find out more about vitamin supplements at https://www.healtheries.co.nz/products/supplements. Vitamins allow nutrients to be absorbed and digested. It is also converted into energy by fats and carbohydrates.

It strengthens blood cells, hormones, cells, form bones, genetic material, binds tissues and chemicals of the nervous system. Vitamins help to develop resistance to diseases, metabolize nutrients and also produce antibodies to strengthen immunity. 

Vitamin supplements are best absorbed if taken with food. To meet dietary deficiency, vitamin supplements are an easy and inexpensive way. Vitamins are necessary for kids for growth and development.