My God! This is an ingenious marketing scheme! I mean, uhh, yeah sure... it comes from slaughterhouse waste. Google even said so. Why would you want to eat slaughterhouse waste? Isn't it bad enough that we're being so mean to those poor animals? Why should we try to utilize all of those superfluous parts of the animals when we can feed them to our cats instead? You know what to do... BUY VegLife(tm) brand vitamins today!!! Look for VegLife(tm) products at your local pharmacy, health food store, or fine purveyor of trendy-yuppie-vegetarian foods.