The word "vitamin" was coined in 1911 by the Warsaw-born biochemist Casimir Funk (1884-1967). At the Lister Institute in London, Funk isolated a substance that prevented nerve inflammation (neuritis) in chickens raised on a diet deficient in that substance. He named the substance "vitamine" because he believed it was nec [..]

A diverse set of organic molecules that are necessary for normal metabolism that are not synthesized or are synthesized in inadequate quantities within the body.

Complex organic substances required in the diet (NB vitamin D also produced by the action of ultra-violet light on the skin), essential for normal body functions and maintenance of health. Vitamins contribute to the regulation of metabolic processes, including a role in energy transformations.

30px;">Vitamins are nutrients required for essential reactions in the body.  Vitamins can act both as catalysts and participants in the chemical reactions that keep the body functioning.  We can obtain vitamins we need from the foods and beverages we consume.

organic compounds that are necessary in very small amounts to maintain health

organic molecules needed in trace amounts for normal growth and metabolic processes.

A number of small compounds needed in very small amounts in the average diet to help regulate and support many of the body’s chemical reactions.

Organic substances that are required in small amounts for Maintenance and Growth, but which cannot be manufactured by the Human Body.

A general term for a number of unrelated organic substances that occur in many foods in small amounts and that are necessary in trace amounts for the normal metabolic functioning of the body. They may [..]

Organic nutrients required in relatively tiny quantities by the body for successful metabolic processes. Domesticated dogs fulfil their vitamin requirements from a consistently eating good quality man [..]

Vitamins are organic nutrients that are vital to pets in small amounts. Many vitamins help in the metabolic processes of the body and some act as antioxidants.

Vitamins are a group of nutrients that are required for many metabolic process within the body. There are 2 categories of vitamins based on their solubility, the water-soluble vitamins (B and C) and t [..]

Vitamins are organic compounds that typically function as parts of enzyme systems essential for many metabolic functions.

There are provided in commercial diets for cats and cats need vitamins to keep them healthy. Giving additional vitamins to cats already receiving adequate amounts in their food can be harmful, dependi [..]

Organic substances, which are necessary for the proper operation of vital functions in humans and animals. Vitamins must be provided in the diet, since the animal body is generally incapable of synthe [..]

Vitamins and minerals are essential for overall health, and that includes teeth. Tooth enamel needs calcium to stay strong. The stronger your tooth enamel is, the less likely you are to develop a dent [..]

Foods containing vitamins A, D, E, F, H, K, P, and the B complex group are necessary in diets to maintain good health.

the substances, necessary for life, that regulate the functioning of nerves and glands.

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Essential substances found in food. The body needs vitamins to burn energy, repair tissue, assist metabolism and fight infection.