62
SCORE
Collagen + Vitamin C stack
Tendon · Skin · Joint
Tier 2 — Promising
What it is
Vitamin C is required for your body to properly use collagen, making this combination logical. A 2024 trial found 15 g collagen plus 50 mg vitamin C taken before exercise enhanced tendon collagen production. Popular for injury prevention among athletes and people recovering from tendon or ligament injuries. Very safe with no notable side effects.
Efficacy
2/5
Safety
5/5
Research
2/5
Onset
3/5
Cost
3/5
Drug-int.
5/5
Dose
15 g collagen peptides + 50 mg vitamin C 30–60 min before exercise
Time of day & tips
Take 30–60 min before exercise dissolved in water or juice. The vitamin C must be present at the same time as the collagen for it to work. Best timed before tendon-loading activity.
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