här finner ni länkar till vetenskapliga studier collagen
https://www.rousselot.com/about-rousselot/our-brands
[rousselot.com]
https://www.peptan.com/
[peptan.com]
https://www.gelita.com/en/products/collagen-peptides/Verisol
[gelita.com]
https://www.mdpi.com/2072-6643/10/7/826
[mdpi.com]
https://www.karger.com/Article/Abstract/351376
[karger.com]
https://www.karger.com/Article/Abstract/355523
[karger.com]
https://www.tandfonline.com/doi/abs/10.3109/14764172.2013.854119?journalCode=ijcl20
[tandfonline.com]
