Niacin (Vitamin B3) | Niacin (Vitamin B3)

Niacin (Vitamin B3)

Niacin (Vitamin B3)

Niacin (Vitamin B3)


Niacin is a member of the B- complex vitamins and is water soluble.

Niacin (vitamin B3) is a relative of nicotine, the toxic substance found in cigarette smoke.

But its effects are far from harmful.

Niacin belongs to naturally-occurring compounds niacinamine and nicotinic acid.

All living cells need niacin to release energy from carbohydrates, proteins and fats.

Niacin is also needed for making proteins and nucleic acids.


Improves circulation

Important for the efficient function of the nervous system

Essential for the metabolism of sugar and the conversion of essential fatty acids

Energy production

Health of the skin and mucus membranes, and digestive system

DNA replication and repair

Antioxidant Blood sugar regulation

Fat and cholesterol metabolism – high doses reduce blood cholesterol and triglycerides

Medicinal and therapeutic Uses

Blood and circulatory system – Arteriosclerosis, atherosclerosis, cholesterol levels, diabetes, haemophilia, hypertension, hypoglycaemia, phlebitis, diarrhoea

Bowel, brain nervous system – dizziness, epilepsy, headaches, insomnia, mental illness, multiple sclerosis, neuritis, Parkinson’s disease

Ear – Meniere’s disease

Eyes – conjunctivitis

Hair/scalp – baldness

Heart – arteriosclerosis, atherosclerosis, hypertension

Intestine – constipation

Joints – arthritis

Leg – phlebitis

Lungs/respiratory system – tuberculosis

Mouth – canker-sores. Halitosis

Skin – acne, bed sores, dermatitis

Stomach – indigestion,

Teeth – pyorrhoea

General – alcoholism, cancer, stress


 Deficiency Effects

Muscle weakness





Loss of appetite


Deficiencies of vitamin B6 or riboflavin (vitamin B2)

Malabsorption (inflammatory bowel disease, other digestive disorders)

Heavy alcohol use

Toxicity Effects

No known toxicity effects, mega dosing may cause tingling of the fingers, itching sensation, intense flushing of the skin and throbbing in the head due to dilation of the blood vessels


Good Dietary Sources

Lean meats, chicken, dates, figs, prunes, avocado, dandelion nettles, chickweed, watercress, fathen – all green leafy vegetables

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Deborah Harper

Article by Debbie Harper

Debbie Harper is a self-published author and an accomplished blogger. She's the founder of and the author of the book “The Number #1 Rule for a Long and Healthy Life”. If you like this post, you can stay up to date with the latest information from by subscribing via RSS, or receive articles directly in your inbox. Then click here to download a free report on "The Number #1 Rule for a Long and Healthy Life".