Vitamin B 3 :Type , function , source , disorder and dose

 

Vitamin B 3 [Niacin]


Vitamin B 3 is also known as Niacin . It is water soluble vitamin play a key role of skin , digestive system , mental health and support the function of more than 200 enzyme in the body . Vitamin B 3 is a contribute of two chemical nicotinic acid and nicotinamide . The body break down these chemical to produce two aditional chemical of NAD+(Nicotinamide adenine dinucleotide) , NADP+ (Nicotinamide adenine dinucleotide phosphate).

Type

There are two types -

*Nicotinic acid

*Nicotinamide

*Nicotinic acid

The most common for in supplement it is found in both plant and animal source . High dose of nicotinic acid supplement may cause a condition cause niacin flush.

*Nicotinamide

It is found in other supplement source .

Role and function

All dietary form of niacin in the converted to NAD and NADP which act as co enzymes ike the other vitamin B as a function of co enzyme in the body.

* Playing a essential role in cellular function and acting as an antioxidant one of the most role known as glycolysis (the extraction of energy of glucose.)

*The nutrient help the body convert food into glucose used to produce energy.

*Niacin contribute to the normal function of nervous system and psychological function.

* As a supplement niacin may help lower cholesterol , arthritis and boost brain function.

* It may help prevent heart disease , arthritis , low cholesterol and diabetes.

In take

Infant.     (0-6month).                 2mg/day

Infant.     (7-12month).               4mg/day

Children. (1-3year).                     6mg/day

Children. (4-8year).                     8mg/day

Children. (9-12year).                   12mg/day

Man          (14 year-above).         16mg/day  

Woman    (14 year-above).         14mg/day

Pregnant woman.                        18mg/day

Source

Niacin is found in a different variety of food specially meat , chicken , fish , nut some energy drink are also loaded with vitamin B . Some time is very high dose.

Deficiency of vitamin B 3

In the past niacin deficiency was uncommon but specially this deficiency are found in south Areas.

*A pigmentation rush on the skin that is expose to the sun . 

*Rough appearance to the skin .

*Bright red tongue .

*Fatigue .

*Vomiting , constipation , diarrhoea.

* Circulatory system problem.

*Depression.

*Headache.

*Memory loss.

*Pellagra.

   Niacin deficiency known as Pellagra is uncommon in develop country the main system of pellagra include inflamed skin mouth sore , insomnia,  dementia. 

Toxicity

Naturally occuring niacin from food does not appear to have any adverse effects.
       However high supplement of niacin may cause niacin flush (red skin) , Nausea , vomiting , stomach irritation , and liver damage .

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