Definitions for "niacin"
A B vitamin (vitamin B5) essential for the normal function of the nervous system and the gastrointestinal tract. Called also nicotinic acid and antipellagra vitamin. Chemical formula C6H5NO2, chemically it is 3-pyridinecarboxylic acid.
A coenzyme B-complex vitamin that assists in the breakdown of carbohydrates, fats and proteins. Essential for the health of the skin, tongue and digestive system.
an essential vitamin that can be used to lower cholesterol.
Keywords:  niall, quinn, niagara
Niagara Niall_Quinn
The development of an ability to resist a disease; natural immunity may be provided by antibodies; immunity can also be induced via inoculations.