NO, I HAVE NEVER DONE AS, I WAS THINKING ABOUT PRIMO OR SO FOR A MINUTE, BUT CHANGED MY MIND. ACTUALLY, I HAVE BEEN EATING ENOUGH, PROBABLY FOR THE FIRST TIME IN MY LIFE, AND USED NORANDROSPRAY, AND HAVE GAINED 7 LBS OF MUSCLE IN 6 WEEKS, PLUS LITTLE FAT, TOO, BUT NOT THAT MUCH. HOWEVER, I DO WANT TO GET RID OF THAT, WITHOUT LOOSING ANY MUSCLE. DO YOU SUGGEST A KETO DIET? WHAT ABOUT ZIGZAG DIETING (5 DAYS BELOW MAINTENANCE, 2 DAYS ABOVE), WHICH IS BETTER TO HOLD ON TO MUSCLE?