Vitamin C for Aging Skin & Wrinkles
BEpidemiological studies associate higher vitamin C intake with lower risk of wrinkled appearance and dry skin. Research suggests vitamin C supports collagen synthesis and provides antioxidant photoprotection.
The Bottom Line
Epidemiological studies associate higher vitamin C intake with lower risk of wrinkled appearance and dry skin. Research suggests vitamin C supports collagen synthesis and provides antioxidant photoprotection.
Key Statistics
12
Studies
2800
Participants
Positive
Grade
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- general:
- 75-90 mg/day (RDA)
- skinhealth:
- 500-1,000 mg/day
Upper limit: 2,000 mg/day (IOM Tolerable Upper Intake Level)
Best taken: Can be taken any time; split doses if > 500 mg for better absorption
Safety & Side Effects
Reported Side Effects
- ⚠ Gastrointestinal discomfort at high doses (> 2,000 mg/day)
- ⚠ Diarrhea
- ⚠ Kidney stones (rare, in predisposed individuals)
- ⚠ Iron overload risk in hemochromatosis
Known Interactions
- ● May enhance iron absorption (caution in iron overload conditions)
- ● May reduce effectiveness of some chemotherapy agents
- ● May interact with anticoagulants at very high doses
Tolerable upper intake: 2,000 mg/day (IOM Tolerable Upper Intake Level)
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Vitamin C help with Aging Skin & Wrinkles?
How much Vitamin C should I take for Aging Skin & Wrinkles?
Are there side effects of Vitamin C?
How strong is the evidence for Vitamin C and Aging Skin & Wrinkles?
Related Evidence
Other ingredients for Aging Skin & Wrinkles
Vitamin C for other conditions
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.