What is a vitamin easy definition?

What is a vitamin easy definition?

Vitamins are nutrients your body needs to function and fight off disease. Your body cannot produce vitamins itself, so you must get them through food you eat or in some cases supplements. There are 13 vitamins that are essential to your body working well.

What is vitamin C Wiki?

Vitamin C (also known as ascorbic acid and ascorbate) is a vitamin found in various foods and sold as a dietary supplement. It is used to prevent and treat scurvy. Vitamin C is an essential nutrient involved in the repair of tissue, the formation of collagen, and the enzymatic production of certain neurotransmitters.

What are vitamins and classify them?

Vitamins are classified into two groups based on their solubility: the fat-soluble vitamins (A, D, E and K) and the water-soluble vitamins (B vitamins, vitamin C and folate, to name a few). Fat-soluble vitamins are usually absorbed passively and must be transported with dietary lipids.

What is vitamin A definition?

Listen to pronunciation. (VY-tuh-min …) A nutrient that the body needs in small amounts to function and stay healthy. Vitamin A helps in vision, bone growth, reproduction, growth of epithelium (cells that line the internal and external surfaces of the body), and fighting infections.

What is vitamin A function?

Vitamin A, also known as retinol, has several important functions. These include: helping your body’s natural defence against illness and infection (the immune system) work properly. helping vision in dim light. keeping skin and the lining of some parts of the body, such as the nose, healthy.

Why is it called vitamin C?

Later on, Szent Györgyi and Haworth chemically identified “C” as ascorbic acid, and named it so because ascorbic means “anti-scurvy.” Over the next century, what we now know as vitamin C became one of the most popular drugs in human history.

What is natural vitamin C called?

Ascorbic acid is the form of vitamin C found naturally in food. It has good bioavailability but some people find it too acidic on their gut and can’t tolerate higher doses. Bioflavonoids are beneficial plant compounds often added to vitamin C supplements.

What are the 2 main types of vitamins?

Vitamins are grouped into two categories:

• Fat-soluble vitamins are stored in the body’s liver, fatty tissue, and muscles. The four fat-soluble vitamins are vitamins A, D, E, and K.
• Water-soluble vitamins are not stored in the body. The nine water-soluble vitamins are vitamin C and all the B vitamins.

What are the characteristics of vitamin?

Vitamins are essential, non-caloric, organic micronutrients. There is energy contained in the chemical bonds of vitamin molecules, but our bodies don’t make the enzymes to break these bonds and release their energy; instead, vitamins serve other essential functions in the body.

What is a vitamin in biology?

A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an essential micronutrient which an organism needs in small quantities for the proper functioning of its metabolism.

What is the origin of the word vitamin?

The word vitamin comes from the latin vita, life, see, and it has Indo-European roots +amine so called as they were originally thought to be amines (many neurotransmitters are amines and amino acids release amines).

What is the function of vitamin?

Vitamin A helps form and maintain healthy teeth, bones, soft tissue, mucus membranes, and skin. Vitamin B6 is also called pyridoxine. Vitamin B6 helps form red blood cells and maintain brain function. This vitamin also plays an important role in the proteins that are part of many chemical reactions in the body.

What are vitamins and their functions?

Functions of Vitamin A. They help develop strong teeth, healthy bones, protect against cataracts, Alzheimer’s disease, arthritis, cardiac problems and age related macular degeneration. Vitamin A contains anti ageing properties that prevent formation of fine lines and wrinkles on the skin assisting in cell rejuvenation.

What has vitamin an in it?

Vitamin A Introduction. Recommended Intakes. Sources of Vitamin A. Vitamin A Intakes and Status. Vitamin A Deficiency. Groups at Risk of Vitamin A Inadequacy. Vitamin A and Health. Health Risks from Excessive Vitamin A. Interactions with Medications. Vitamin A and Healthful Diets.