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Catalyst

CollagenFinding

Collagen increases HDL cholesterol

raisesVery limited evidenceFinding

01 · The sentence it was drawn from

“High-density lipoprotein (HDL) gauged in 98 rodents in six studies has been shown to be elevated in CP groups (p = 0.04; SMD = 1.14; CI = 0.06, 2.21).”
Quoted verbatim from Regular collagen peptide administration exerts anti-obesity effects in high-caloric diet-fed rodents-a systematic review with meta-analysis of animal trials.
This finding among the 93 findings on its endpoint

Collagen

HDL cholesterol

raises

Effect as reported

1.14standardised mean difference

CI 0.06 to 2.21

Who
n = 98 · Genetically unmodified mice and rats on a high-fat or high-caloric diet in both arms; pooled estimate from the highest collagen peptide dose of each trial
Dose studied
not reported

Very limited evidencePMID 41168365 · 2026

02 · The study

Study
animal · not in humans
Participants
98
Duration
not reported

Evidence, by strength

  • strong
  • moderate
  • limited
  • very limitedthis finding
  • insufficient

04 · To cite this finding

This address does not change

https://catalystproject.ai/e/01M6Y5VE88B4GWMMADH38BVRS4