When Jeff Nelson and the rest of the folks at VegSource.Com split with Robert Cohen, they claimed it was because (among other things) Cohen had a habit of exaggerating his claims which would ultimately undermine the vegan argument. As opposed, of course, to those reasonable, level-headed folks at VegSource who make such non-sensationalist claims as this:

That’s right folks, step right up and drink the magic vegan elixir and make yourself heart attack proof. Yeah, that Jeff Nelson sure has a lot of integrity.