Reference:
“Collagen Absorption” [Online: http://www.888ageless.com/collagen-absorption] cited on May 25, 2013 .
Iwai K. et. al. (2005) Identification of food-derived collagen peptides in human blood after oral ingestion of gelatin hydrolysates. J Agric Food Chem. 10;53(16):6531-6.
Hydrolyzed Collagen and Skin Health 2009 clinical studies result, Rousselot. [Online: http://www.parmentier.de/gelatine/peptan4skin.pdf] cited on May 25th 2013.
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