Im using Sereno Saizen 126iu kits,im doing 4iu per day 5on 2off this is my 19th week on it and i use 18iu per week.I do take slin post a.m. workout then hit my GH shot,using fina,eq,test also and the results are great,im bigger and ripped.You should do at least 4iu per day and stay on the GH for 4-6 months.Using gear like test,dbols,decca are very important for creating that anabolic environment.I PAY $525 PER KIT