Possible Interactions with Vitamin C (Ascorbic Acid)

Overview

High doses of vitamin C (equal to or greater than 500 mg per day) may raise the levels of aspirin and other acidic medications.

Birth control medications may interfere with the body's ability to use vitamin C.

Cyclosporine, a medication used for the treatment of cancer, may reduce blood levels of vitamin C.

Drug Interactions

• Aspirin
• Birth control medications
• Cyclosporine