They contract out the manufacture and now marketing of nutriceuticles, a pesticide made from all natural ingredients, anti-acne program, etc. they own the rights to. Robert Bowker, head of the Knockout Technologies is quite prolific in finding uses for various formulations of Citroxin. However, while the company has reported successful trials on external uses of Citroxin and some of its variations they have not reported successful internal human trials...yet.
Cinnergen and Cinnechol do have positive internal human studies results reported and at this time are the main products being sold. Numaderm skin creams should not be too far behind.