The Lab
Specimen No. 0083
ClearedAnimalfood ingredientnutrient

Collagen Peptides (Grass-Fed)

collagen peptides · hydrolyzed collagen · collagen protein

Hydrolyzed collagen protein from bovine or marine sources. Peer-reviewed studies support skin elasticity improvement and joint pain reduction with supplementation.

medium confidence
Researched April 18, 2026

Concerns

  • Bovine source — quality varies; grass-fed sourcing preferred
  • Marine collagen sourcing practices vary in sustainability
  • Not vegan/vegetarian
  • Some products tested positive for heavy metals — buy third-party tested brands

Sourcing & processing

grass finishednaturally sourced

Commonly found in

Protein powderBone brothSupplement capsuleProtein bar

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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