I would love to know the difference, if any as well!??
There may also be some formulation differences that determine how well the compound is absorbed...
Do you know if it will be possible to buy the "real" Catena product?
Santhera is going to do a Webinar to update the community, time and date to be determined, but my sense was that it will be no earlier than July. We will certainly advertise it on the Community site, our Web site and Facebook when we have the details.