Vitamin B3, also called niacin, nicotinic acid, nicotinamide, niacinamide, together with vitamins B1, B2, and B6, is involved in the process of energy manufacture from carbohydrates, fat and proteins in food. This vitamin is also involved in the synthesis of gastric acid. Vitamin B3 is needed for elimination of the toxins from body, for the synthesis of certain hormones, for normal enzyme function in the body and normal nervous system activity.
Vitamin B3 decreases the level of bad cholesterol and increases the level of good cholesterol in blood and is important for diabetes prevention.
Niacin dilates blood vessels and capillary in the area of face, chest, back, legs and brain. It improves blood flow and transports oxygen and nutrients to hair follicle; therefore, it is vital for hair growth. Niacin improves blood flow in scalp, thus hair grow faster and become lusher. It is beneficial for hair not only because of this reason. The studies revealed that vitamin B3 helps to restore natural hair colour, increasing formation of melanin – natural hair colour pigment in the body.
This vitamin boosts brain function and helps to maintain healthy hair, skin and nails.