Supplements > Vitamin B3 (Niacin) > Warnings Supplements with Similar Warnings as: Vitamin B3 (Niacin) Below is a list of conditions where patients are warned against taking this supplement. Under each condition is listed other supplements with similar warnings.   diabetes mellitus 5-Hydroxytryptophan (5-HTP) Alpha-Linolenic Acid (ALA) Alpha-Lipoic Acid Flaxseed Oil Glucosamine peptic ulcers Glucosamine

RELATED INFORMATION Vitamin B3 (Niacin)   Uses of this Supplement Acne Atherosclerosis Burns Cataracts Diabetes Mellitus Hypercholesterolemia Myocardial Infarction Osteoarthritis Skin Cancer   Supplements with Similar Uses View List by Use   Drugs that Interact Summary Alpha-blockers Aspirin Cholesterol-lowering Medications Glipizide Glyburide Insulin Preparations Metformin-containing Medications Smoking-cessation Products Tetracycline   Drugs that Deplete this Substance View List   Supplements with Similar Side Effects View List by Side Effect   Supplements with Similar Warnings View List by Warning   Related Articles View Articles   Learn More About Nutrition