My son who is 14 can't stand the taste of these vitamins! We play a game every morning, where he hides them and I end up finding them somewhere in the house later that day. I wish that the taste was better!

The active ingredient is deltamethrin a member of the pyrethroid family of insecticides. Bed bugs have been noted to be resistant to it. When we applied it to my in-laws apartment we liberally applied it only to have the bugs survive. We bought it in a kit from home depot. Harris also offers a non pyrethroid version. I haven't tried it because we gave up and called the exterminators. The label is somewhat misleading because of the noted resistance. Source:

5 Stars because this is exactly what I was looking for! It's cheap and in bulk. Can't be found at regular pharmacies or department stores. Quick delivery; I was tracking the package and it arrived a few days earlier than expected! :) Will definitely get these again when I run out--they work like a charm.