About ascorbic acid
Vitamin C supplement
Used for
- Prevention and treatment of vitamin C deficiency
- Supplementation when dietary intake is inadequate
Usual adult dose
Usually 100–1,000 mg by mouth daily, depending on need.
Usual dose in children
Dose varies by age and need; use pediatric guidance.
Common side effects
- Nausea or stomach cramps
- Diarrhea
- Heartburn
Important warnings
- High doses may increase kidney-stone risk, especially with kidney disease.
- Use caution with iron overload disorders.
- Effervescent tablets may contain substantial sodium.
Pregnancy
Vitamin C is generally safe at recommended dietary amounts; avoid excessive intake.
Breastfeeding
Vitamin C is generally compatible with breastfeeding at recommended amounts.
Interactions
- May increase iron absorption.
- Can affect some laboratory test results, including glucose tests.
- Discuss use with deferoxamine or cancer treatments.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.