ORIGINAL: Big Guy01
The fiberous casing is not edible, I just peal it off just before eating. If you are going to add your Kielbasa to a soup,stew or other dish, peal off the casing
Been eating collagen casings for years and I am still here. This might help, first paragraph from the top under "definition"
http://www.midwesternresearch.com/CASINGS_COLLAGEN.htm