Research · Randomized controlled trial
Vitamin C-enriched gelatin supplementation before intermittent activity augments collagen synthesis
What it found
15 g of vitamin-C-enriched gelatin before exercise roughly doubled a blood marker of collagen synthesis — a mechanistic signal in a very small study, not a clinical outcome.
- Design
- Randomized controlled trial
- Year
- 2017
- Sample size
- 8
- Population
- healthy male volunteers (mechanistic crossover)
- Intervention
- 5 g or 15 g vitamin-C-enriched gelatin taken ~1 hour before exercise
- Outcome
- blood marker of collagen synthesis (PINP)
- Journal
- The American Journal of Clinical Nutrition
Citation last checked 2026-06-21.