Vitamin B3 (Niacin)
Fasting Required: No

Specimen: Blood

Results: 5-7 Business Days

Description: B3 is involved in enzyme reactions, metabolism, and energy production. It is given in pharmacologic doses to lower LDL-cholesterol and triglycerides and raise HDL-cholesterol. B3 is found in lean meats, eggs, fish, whole grain cereals and legumes. Severe deficiency in conjunction with a low-protein diet causes: Pellagra - classic symptoms are dermatitis, diarrhea, and dementia; may also cause a rash in areas exposed to the sun. Deficiencies also seen with alcoholism, cirrhosis, Hartnup disease, Crohn's disease, and carcinoid syndrome. Niacin synthesis requires adequate B6, B2, iron, and copper. Up to 60% of niacin is synthesized from tryptophan.

Alternative Names: Nicotinic acid, Nicotinamide, Vitamin P, Vitamin PP

Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.