PEDEvidence

SOURCE-LINKED STUDY SUMMARY

Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomised controlled trial.

The British journal of nutrition ·

Human

Full paper summarizedQuality not appraised
What was studied
A randomized double-blind trial tested collagen peptides added to supervised resistance training in older men with sarcopenia.
Who / model studied
Fifty-three men, mean age 72.2 years, completed the study; 26 received collagen and 27 placebo.
Studied dose & schedule
Both groups trained three times weekly for 12 weeks; the intervention used 15 g/day collagen peptides versus silica placebo.
What the study found
Collagen versus placebo produced larger gains in DXA fat-free mass (+4.2 vs +2.9 kg) and quadriceps strength (+16.5 vs +7.3 Nm), with greater fat loss.
Limitations & context
Silica was not a matched-protein comparator, and DXA fat-free mass is not direct muscle. No serious adverse events were reported.

Read summary source ↗ · Prepared 10/6/2026 · AI-assisted, source-based summary

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Summary prepared: . Source scope: full paper. This is an AI-assisted source summary, not an independent clinician sign-off.

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Research findings apply to the population and conditions studied. This educational summary is not a treatment recommendation or a formal assessment of study quality.

Original publication ↗ · DOI: 10.1017/s0007114515002810

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