Just got done my 2 weeks with ucp-1.
Overall I went from 15%bf to 13%. I achieved this by doing HIIT mixed with low intensity cardio. MWS was HIIT days and then fast walking for 30 min on Tues, and thurs.
To assure keeping muscle I planned it out so that when I was starting my 2nd week on ucp-1 I was also starting my next 1-test, 4ad cycle.
I have to say it is a good product and I would recommend it. Sides that i got were heat from time to time and that's about it. As for right now I'm at 12% and up to 233(starting weight before UCP-1 230 at 15%). today is the first day of week 3 so the best is yet to come. Any questions fire away.