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evidence · mechanism · dose
Supplements/Compound

Marine Collagen (Extra)

Fish-derived type I collagen with high digestibility.

Skin, Hair & Nails

Overview

Fish-derived type I collagen with high digestibility.

Natural sources
    Common forms

      Forms & variants of Collagen Peptides

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

      Parent
      Collagen Peptides

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

      Verisol (Bioactive)
      Verisol® Collagen Peptides

      Specific bovine peptide blend marketed for skin and cellulite.

      Mechanism of action

      Hydrolyzed dipeptides (Pro-Hyp, Hyp-Gly) stimulate fibroblast collagen synthesis.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Improves skin elasticity and hydration

        Strong evidence

        Potential side effects

        Common
        • · Mild GI
        Rare
        • · Fish allergy
        Serious

          Drug interactions

          No notable interactions reported.

          Supplement interactions

          Pairs well with

          None listed.

          Avoid combining with

          No specific avoidances listed.

          Dosing & bioavailability

          Typical dose
          2.5–10 g
          With food?
          Either

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

          Scientific evidence (8)

          RCTSkin Pharmacol Physiol · 2014

          Collagen peptides on skin elasticity

          Proksch E, et al.

          8-week DB-RCT in 69 women.

          Key findings

          Significantly improved skin elasticity vs placebo.

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Marine Collagen (Extra) — Improves skin elasticity and hydration

          Live PubMed search

          Live results for "Marine Collagen (Extra) Improves skin elasticity and hydration" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

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

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Marine Collagen (Extra) — randomized controlled trial

          Live PubMed search

          Live results for "Marine Collagen (Extra) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

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

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Marine Collagen (Extra) — meta-analysis

          Live PubMed search

          Live results for "Marine Collagen (Extra) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

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

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Marine Collagen (Extra) — pharmacokinetics

          Live PubMed search

          Live results for "Marine Collagen (Extra) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

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

          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Marine Collagen (Extra) — safety adverse events

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          Live results for "Marine Collagen (Extra) safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

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          Open study
          Systematic reviewPubMed (NLM) · 1970

          PubMed: Marine Collagen (Extra) — dose response

          Live PubMed search

          Live results for "Marine Collagen (Extra) dose response" across the PubMed/MEDLINE peer-reviewed index.

          Key findings

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

          Open study
          Systematic reviewGoogle Scholar · 1970

          Google Scholar: Marine Collagen (Extra) — clinical evidence

          Live Scholar search

          Cross-database citation index for Marine Collagen (Extra) 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.