THEY WORK ONLY NATURAL WAY IS YOMBEE & NOS (NITROUS OXIDE PILLS) ALONG WITH A GOOD PENIS PUMP THOSE PILLS ARE VASO DILATORS THAT KEEP THE VALVE OPEN 2 ALLOW EXTRA BLOOD FLOW
Go 2 gnc buy these 2 supplements yambee root & nitrous oxide pills they work together as a vasodilator & use a good pump before sex or masterbation u should c results in a few months I was 8in when I first started taking that a few yrs later in 9&1/2 now!