Also known as: NA., NA+, NA-
NA stands for various terms. Discover the full forms, meanings, and possible interpretations of NA across different fields and industries.
Niacin, also known as nicotinic acid, is an organic compound and is, depending on the definition used, one of the 20 to 80 essential human nutrients. Together with nicotinamide it makes up the group known as vitamin B3 complex.
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