Referred to as vitamin B complex, the eight B vitamins — B1, B2, B3, B5, B6, B7, B9, B12 — play an important role in keeping our bodies running like well-oiled machines. The Recommended Dietary Allowance (RDA) for vitamins, set by the Food and Nutrition Board of the National Academy of Sciences-National Research Council, has been used for years as a guide for determining the amount of vitamins needed to prevent deficiency diseases.
Pantothenic acid, or B5,works with several other B vitamins for a number of essential processes including breaking down fats, proteins, and carbohydrates into energy and is also the B vitamin that is needed to form vitamin D, a variety of hormones, and red blood cells.
Vitamin E is very powerful antioxidant that neutralizes the free radicals that cause tissue & cell damage,acts as an antioxidant to delay degenerative diseases,decreases the risk of some cancers such as prostate & bladder cancer,slows cellular aging due to oxidation (anti-aging),boosts the body's immune system function, works in synergy with vitamin A to protect lungs from pollution,helps protect skin from ultraviolet radiation & sun damage & lowers the risk of skin cancer.
If you are not getting the right kind of vitamins that you need, then your hair will not grow as fast as you want it to. On the other hand, it may not even grow as fast as it has potential to on a regular basis, therefore stunting the growth of your hair.
Biotin is formed in the intestines but when a deficiency does occur it can cause anemia, depression, hair loss, high blood sugar, inflammation or pallor of the skin and mucous membranes, insomnia, loss of appetite, muscular pain, nausea and soreness of the tongue.