There are three essential ways how the vitamins and minerals influence the hair growth.

The supplements rich in minerals and vitamins may act directly on hair stimulating or inhibiting growth activity. Or they may work indirectly through other intermediaries. For example the production of a hormone to which hair follicles is sensitive. The change in hormone activity may cause change in hair follicle activity.

The role of vitamins as hair growth supplements
Vitamin C and vitamin B12 are specially required for hair growth, Vitamin C’s significance in hair growth lies in its helping the absorbing the other vitamins and minerals.

Vitamin E is also required for hair growth but it is of secondary importance to hair growth. Vitamin E is crucial for providing good blood circulation to the scalp by increasing the oxygen uptake.

Vitamin supplements are available in variety of forms. These ‘vitamin supplements’ vitamins are marketed as different names like –liquid vitamin supplements, natural vitamin supplements, daily vitamin supplements, nutritional vitamin supplements, mail order vitamin supplements or best vitamin supplements etc.

Identify quality vitamin supplements
Vitamins are usually most concentrated in fresh foods. The older  or more processed the food is, the less vitamins and minerals it contains.

Vitamins required for hair growth
With a few notable exceptions like vitamin A and folic acid, taking any vitamin supplements probably does not harm hair growth. But whether they really help in promoting hair growth depends on what the actual cause of the hair loss is and how the supplements or active ingredients in herbs interact with the hair follicles.

Don’t waste your time in searching for vitamin supplements for hair growth. Most vitamins help in hair growth directly or indirectly. It is only the following vitamins deficiency of which has been shown to cause hair loss.

Vitamin B12
If you have hair loss and suspecting it because of nutritional deficiency, it is better to get it tested by blood test.

It is only in the case of such a deficiency that you need to eat more ‘vitamin supplements’ in form of tablets or the dietary vitamins.