It is called the B complex, since it is composed of several types of vitamin Bs, each responsible for specific functions in the human body.
Thiamin (B1), riboflavin (B2), nicotinic acid or niacin (B3), vitamin B6, biotin and pantothenic acid (B5) are examples of vitamin B. This B complex also includes amino-benzoic acid and inositol.
The presence of B complex vitamins on the body is vital to the metabolism of both fats and proteins. They are also essential for a well-functioning liver and gastrointestinal tract, the nervous system, and for maintaining healthy skin, hair and eyes.
The B-complex vitamins are important components of the stress response in that deficiency of vitamin B1, B5 and B6 can lead to anxiety reactions, depression, insomnia, and cardiovascular weakness, while B2 and niacin deficiencies have been known to cause stomach irritability and muscle weakness.
Three of the B vitamins are especially important: folate, B6 and B12.
*Folate is extremely important for general health
*Vitamin B6 is important for heart and also needed for the manufacture of serotonin, an important chemical in the brain that helps prevent depression.
*Vitamin B12 has many functions, including keeping the brain, heart, arteries, and nervous system healthy.
Vitamin B complex