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evidence · mechanism · dose
Supplements/Compound

Collagen Peptides

aka Hydrolyzed collagen · Bovine collagen

Hydrolyzed protein supplying glycine, proline, and hydroxyproline for connective tissue.

Skin, Hair & NailsJoint & Connective TissueBone Health

Overview

Hydrolyzed protein supplying glycine, proline, and hydroxyproline for connective tissue.

Natural sources
  • Bovine hide
  • Marine fish skin
  • Chicken cartilage (type II)
Common forms
  • Type I & III (skin, bone)
  • Type II (cartilage)

Forms & variants of Collagen Peptides

Different chemical forms of Collagen Peptides behave differently. Browse each form's mechanism, bioavailability, and best-use context.

Marine peptides
Marine Collagen (Extra)

Fish-derived type I collagen with high digestibility.

Verisol (Bioactive)
Verisol® Collagen Peptides

Specific bovine peptide blend marketed for skin and cellulite.

Mechanism of action

Provides amino acids and signaling peptides (e.g., Pro-Hyp) that stimulate fibroblast activity.

Pathways
  • · Collagen biosynthesis

Effects on the body

Supports
Skin elasticity & hydration
Supports
Joint comfort

Organ system effects

Skin

Modest but consistent improvement in elasticity & wrinkles.

Joints

Reduced activity-related joint pain in athletes.

Evidence-based benefits

Improves skin elasticity & hydration

Moderate evidence

Reduces activity-related joint pain

Moderate evidence

Potential side effects

Common
  • · Fullness
  • · Mild GI upset
Rare
  • · Allergy
Serious

    Drug interactions

    No notable interactions reported.

    Supplement interactions

    Pairs well with
    • Vitamin C
      Required cofactor for collagen hydroxylation.
    Avoid combining with

    No specific avoidances listed.

    Dosing & bioavailability

    Typical dose
    10–20 g type I/III; 40 mg type II (undenatured) for joints
    Timing
    With vitamin C

    Where to buy

    Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

    Compound
    Collagen Pep…
    Amazon
    Wide selection · fast shipping
    Compound
    Collagen Pep…
    iHerb
    Global delivery · curated brands
    Compound
    Collagen Pep…
    Thorne
    Practitioner-grade · NSF tested

    Scientific evidence (9)

    Systematic reviewExamine.com Supplement Database · 2023

    Collagen Peptides: pharmacology, clinical evidence, and safety — narrative review

    Examine.com Research Team

    Curated narrative review of human and preclinical evidence for Collagen Peptides, including mechanism, typical dosing, and safety considerations.

    Key findings

    Best-supported outcome: Improves skin elasticity & hydration (evidence: moderate). Additional outcomes and limitations summarized in the full profile.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Collagen Peptides — Improves skin elasticity & hydration

    Live PubMed search

    Live results for "Collagen Peptides Improves skin elasticity & hydration" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Collagen Peptides and "Improves skin elasticity & hydration". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Collagen Peptides — Reduces activity-related joint pain

    Live PubMed search

    Live results for "Collagen Peptides Reduces activity-related joint pain" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Collagen Peptides and "Reduces activity-related joint pain". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Collagen Peptides — randomized controlled trial

    Live PubMed search

    Live results for "Collagen Peptides randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Collagen Peptides and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Collagen Peptides — meta-analysis

    Live PubMed search

    Live results for "Collagen Peptides meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Collagen Peptides and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Collagen Peptides — pharmacokinetics

    Live PubMed search

    Live results for "Collagen Peptides pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Collagen Peptides and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Collagen Peptides — safety adverse events

    Live PubMed search

    Live results for "Collagen Peptides safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Collagen Peptides and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Collagen Peptides — dose response

    Live PubMed search

    Live results for "Collagen Peptides dose response" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Collagen Peptides and "dose response". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewGoogle Scholar · 1970

    Google Scholar: Collagen Peptides — clinical evidence

    Live Scholar search

    Cross-database citation index for Collagen Peptides as it relates to "clinical evidence".

    Key findings

    Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

    Open study
    Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.