Why would you want to, looks vile.
Have you... seen jelly before?
That's what it looks like...
it is basicaly gelatine, the collagen inside animals' skin and bones. plus flavouring of course, and some sugar.
and yes you could die if its out of date/rancid
mad cow disease being one option for you
ohh and the cheapo ones are the worst, machine pressed collagen retreival yuck, the afterthoughts of SPAM basicly