Bodybuilder and fitness author Ron Harris said that synthol and products like it are used only by "a very small percentage of bodybuilders, but they tend to really stand out."
"They are just obnoxious to behold," he said.
"They really have no allies. They're mocked online on our message boards by other bodybuilders
"I honestly don't know if some of those guys are not all there, but they're not fooling anybody.