Is it vegan to eat Cheerios since it is only 99.99% vegan?

Microscopic animals live in the vegetables we eat and the water we drink; it's impossible to avoid all of them. If by "vegan" you mean someone who never consumes any animal material, then yes, it's impossible to be a vegan. I don't think this anyone believes this is a reasonable definition of vegan though. read more

Also, if the “sugar” in the Cheerios is white cane sugar, it was likely whitened using the calcium carbonate from animal bones. So my “vegan” breakfast, well, isn’t. Arrgh! My experience wasn’t special. Non-vegan products are hiding inside apparently vegan food all the time. read more

Yes. Yeast, like other fungi, are not animals, do not have a central nervous system and can not suffer. So there is no moral reason to avoid eating yeast. read more