YES,IT IS VERY IMPORTANT TO USE SLIN WHILE TAKING GROWTH!!!!
I TAKE 8IUS GH DAILY,5IUS SLIN THREE TIMES A DAY
MY STACK:300MG PRIMO,400MG EQ,500MG SUS A WEEK.
GH 5DAYS ON 2DAYS OFF,SLIN ONLY ON GH DAYS!
GOOD LUCK!................3 TO 6 MONTHS ON GH CYCLE!