🇺🇸 Vitamin C (Ascorbic Acid) in United States
582 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: 582
Most-reported reactions
- Fatigue — 83 reports (14.26%)
- Pain — 80 reports (13.75%)
- Nausea — 70 reports (12.03%)
- Diarrhoea — 60 reports (10.31%)
- Dyspnoea — 59 reports (10.14%)
- Headache — 53 reports (9.11%)
- Dizziness — 51 reports (8.76%)
- Asthenia — 46 reports (7.9%)
- Drug Ineffective — 40 reports (6.87%)
- Pyrexia — 40 reports (6.87%)
Other Oncology approved in United States
Frequently asked questions
Is Vitamin C (Ascorbic Acid) approved in United States?
Vitamin C (Ascorbic Acid) does not currently have US marketing authorisation in our dataset.
Who is the marketing authorisation holder for Vitamin C (Ascorbic Acid) in United States?
M.D. Anderson Cancer Center is the originator. The local marketing authorisation holder may differ — check the official source linked above.