protein value of collagen

Testosterone

http://www.ehow.com/facts_6370701_collagen-protein-its-nutritional-value_.html

Protein Quality
Collagen is not a complete protein because it is lacking in the amino acid tryptophan. A Protein Digestibility Corrected Amino Acid Score (PDCAA) of a complete protein is 1.0. Collagen's PDCAA score is 0.08.

.08

sorry, those pork rinds arent a source of protein.