Difference between Nicotinic Acid and Octadecanoic Acid

NICOTINIC ACID vs OCTADECANOIC ACID: NOUN

Pyridine-3-carboxylic acid; together with nicotinamide is a part of the vitamin B complex.
An organic acid (C6H5NO2), a carboxylated derivative of pyridine, obtained by the oxidation of nicotine; called also niacin and antipellagra vitamin, and vitamin B5. Chemically it is 3-pyridinecarboxylic acid.
A B vitamin essential for the normal function of the nervous system and the gastrointestinal tract

An alternative name for the stearic acid (a fatty acid).
A waxy saturated fatty acid; occurs widely as a glyceride in animal and vegetable fats

Sulindac, Pyrimidines, Gastrin, Thiazide, Hydralazine, Thyrotropin, Methylene blue, Cyanocobalamin, Hepatotoxic, Salicylates, Gamma aminobutyric acid, Pyridoxine, Nicotinamide, Bile acid, Niacin

Indinavir, Sulindac, Pyrimidines, Gastrin, Thiazide, Hydralazine, Thyrotropin, Methylene blue, Cyanocobalamin, Hepatotoxic, Salicylates, Gamma aminobutyric acid, Pyridoxine, Nicotinamide, Bile acid

UL applies only to nicotinic acid obtained from dietary supplements, food fortification, or both.
So LAMISIL had to intubate cosmetically the two which patroness that nicotinic acid epiphyses.
It is also necessary for the normal functioning of pyridoxine and nicotinic acid.
Please tell me what NIACIN NICOTINIC ACID and Nicotinamide are made from?
Nicotinic acid, alone and in combinations, for reduction of cardiovascular risk.
Many of the same foods contain both nicotinic acid and nicotinamide.
Niacin, or nicotinic acid, does not have this effect.
Nicotinic acid may keep medicines from working well.
There are several types of drugs available for cholesterol lowering including statins, bile acid sequestrants, nicotinic acid, fibric acids and cholesterol absorption inhibitors.
Nicotinic acid, bile acid sequestrants and fibrates are no longer recommended for the management of hypercholesterolaemia.