🇺🇸 Ascorbic Acid (Vitamin C) in United States

363 US adverse-event reports

Safety signals — FAERS

Adverse reaction reports describe suspected side effects. A report does not mean the drug caused the event — co-medications, underlying disease and coincidence all contribute.

• Window: 22 April 2025 – 22 April 2026
• Total reports: 363

Most-reported reactions

1. Asthenia — 41 reports (11.29%)
2. Headache — 40 reports (11.02%)
3. Diarrhoea — 38 reports (10.47%)
4. Rash — 38 reports (10.47%)
5. Insomnia — 35 reports (9.64%)
6. Urticaria — 35 reports (9.64%)
7. Abdominal Pain Upper — 34 reports (9.37%)
8. Body Temperature Increased — 34 reports (9.37%)
9. Ear Pain — 34 reports (9.37%)
10. Lower Respiratory Tract Infection — 34 reports (9.37%)

Source database →

Frequently asked questions

Is Ascorbic Acid (Vitamin C) approved in United States?

Ascorbic Acid (Vitamin C) does not currently have US marketing authorisation in our dataset.

Who is the marketing authorisation holder for Ascorbic Acid (Vitamin C) in United States?

New York Medical College is the originator. The local marketing authorisation holder may differ — check the official source linked above.