Collagen Peptides

Also known as: hydrolyzed collagen, collagen hydrolysate, FORTIGEL, VERISOL

Grade B — Moderate Evidenceproteinconnective tissue

Recommended Dosage

10–15 g

For tendons/ligaments: 15g + 50mg vitamin C, 60 min pre-exercise. For skin: 2.5-10g any time.

Evidence for connective tissue repair (with vitamin C + exercise), skin elasticity, and joint pain. Timing matters for tendons.

💪Muscle & Recovery✨Skin & Hair
Last reviewed: 2026-03-09

Evidence Rating: Grade B — Moderate Evidence

Some RCTs with positive results, or strong observational evidence. More research may refine our understanding.

Interaction Warnings

Vitamin CLow

Synergistic — essential cofactor for collagen synthesis; always combine

⚠️ Important Notes

  • Not a complete protein (lacks tryptophan)
  • Timing critical for tendon/ligament benefit
  • VERISOL specifically for skin; FORTIGEL for joints

Clinical Evidence (3 studies)

Gelatin + vitamin C doubled collagen synthesis markers

Shaw G et al. (2017) — Am J Clin Nutr

15g + Vit C 60 min pre-exercise doubled collagen synthesis in ligament model

View on PubMed

VERISOL improved skin elasticity and wrinkles

Proksch E et al. (2014) — Skin Pharmacol Physiol

2.5g/day improved skin elasticity and wrinkles in women; RCT

View on PubMed

Collagen hydrolysate improved joint pain in athletes

Kumar S et al. (2015) — J Sci Food Agric

Reduced activity-related joint pain; RCT

View on PubMed

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⚕️ Important Disclaimer

This information is for educational purposes only. It is not medical advice. Always consult a healthcare provider before starting any supplement regimen, especially if you take medications or have health conditions.

Evidence Stack does not sell supplements and has no affiliate relationships with supplement manufacturers.