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Collagen

Marine Collagen

Also known as: Fish collagen

B
Evidence

Fish-derived collagen, primarily Type I. Smaller peptides may mean better absorption.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

  • Skin elasticity
  • Anti-aging
  • Hair/nails

How it works

  • Provides Type I collagen peptides
  • Smaller molecular size
  • May absorb faster

Dosage

Typical range
5-10g daily
Timing
Any time
With food
Optional
Duration
8-12 weeks
Special populations
Skin focus, pescatarian-friendly

Forms

  • Powder
  • Capsules

Safety

Common side effects

  • Fishy taste possible
  • Rare GI

Contraindications

  • Fish allergy

Products containing Marine Collagen

Top-scoring supplements in our catalog that list Marine Collagen on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Nutricost
Collagen Powder for Women
93
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Known interactions

Evidence notes

Type I focus, smaller peptides

Grade B: Some human trials support key claims; further confirmation needed.

Related in Collagen

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.