Vitamin C (Ascorbic Acid)   Uses of this Supplement Asthma Cataracts Diabetes Mellitus Hypercholesterolemia Hypertension Wounds   Supplements with Similar Uses View List by Use   Drugs that Interact Summary Acetaminophen Acetaminophen-containing Medications Aspirin Aspirin-containing Medications Furosemide Isosorbide Dinitrate Isosorbide Mononitrate Nitroglycerin Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) Oral Contraceptives Propranolol Propranolol-containing Medications Tetracycline Tetracycline-containing Medications Warfarin   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   Learn More About Nutrition	Look Up > Supplements > Vitamin C (Ascorbic Acid) > Warnings Supplements with Similar Warnings as Vitamin C (Ascorbic Acid) Below is a list of conditions where patients are warned against taking this supplement. Under each condition is listed other supplements with similar warnings.   pregnancy Bromelain Cartilage Docosahexaenoic Acid (DHA) Eicosapentaenoic Acid (EPA) Melatonin Phenylalanine S-Adenosylmethionine (SAMe) Sulfur Vitamin A (Retinol) Vitamin B6 (Pyridoxine) Vitamin K