Vitamins are defined as organic substances needed for proper nutrition of plants and animals. Ingested in minute quantities, vitamins act as coenzymes and precursors of coenzymes in the regulation of many metabolic processes.

Some vitamins must be provided by the food, while others produced in the body. Not all animals are capable of producing the same vitamin, which is one reason the feed is designed for one species may not be suitable for other types of animals. If you're looking for horse vitamins, you can browse various online sources.

Horses need vitamin A, B, C, D, E, and K for optimal health. The quantity required is small, but important effect.

For some vitamins, too many in the horse diet just as bad as too little. Most famous commercial horse feed supply of vitamins in the right amounts, taking the guesswork out of feeding the horses.

Vitamin A and its precursor, beta-carotene, which is provided by the ingested material. It is one of the fat-soluble vitamin, which means that it is easily stored in the body.

Horses get vitamin A from eating fresh and of good quality grass hay. Any unused horse immediately stored in the liver, and this supply is taken once during the cold winter months when pasture is not active.

Vitamin A is used to support the eye function, reproductive and bone health, skin, and muscle. A dietary deficiency of vitamin A can cause reproductive problems, increased risk of infection, bone loss and muscle growth, dull hair coat, and eye problems such as tearing and night blindness.

Too much vitamin A resulted in some of the same signs as well as weight loss and neurological problems.

What we refer to as the actual vitamin B complex of several substances, including niacin, thiamin, biotin, cobalamine, folacin, riboflavin and pantothenic acid.