About vitamin c
Vitamin supplement; antioxidant
Used for
- Prevention and treatment of vitamin C deficiency, including scurvy
- Supplementation when dietary vitamin C intake is insufficient
Usual adult dose
For deficiency: often 500–1,000 mg daily, adjusted to need and clinical guidance.
Usual dose in children
For deficiency, doses vary by age and need; treatment should be clinician-directed.
Common side effects
- Nausea, stomach cramps, or diarrhea
- Heartburn
- Kidney stones, especially with high doses or predisposition
Important warnings
- High doses can increase urinary oxalate and kidney-stone risk.
- Use caution with kidney disease or a history of kidney stones.
- Large doses may affect some laboratory test results.
Pregnancy
Vitamin C is needed in pregnancy; recommended intake is 85 mg daily. Avoid routinely exceeding 2,000 mg daily unless prescribed.
Breastfeeding
Vitamin C is compatible with breastfeeding at usual dietary amounts; recommended intake is 120 mg daily.
Interactions
- May increase aluminum absorption from aluminum-containing antacids.
- May affect warfarin response at high doses; monitoring may be needed.
- Can interfere with some blood or urine laboratory tests.
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 It may be incomplete or out of date.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.