Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomised controlled trial
British Journal Of Nutrition (2015) - Comment
pubmed: 26353786  doi: 10.1017/s0007114515002810  issn: 1475-2662  issn: 0007-1145 

Denise Zdzieblik, Steffen Oesser, Manfred W. Baumstark, Albert Gollhofer, Daniel König