Do people doubt the quality, knowledge and professionalism of Doctors? Lawyers? Dentists? Engineers? In general, they don't... That is because most of these professionals have a strong governing body that guarantees the quality of the training of these guys. They are highly paid and rightfully so! They have high standards expected of them and by and large, they deliver consistent results. But unfortunately the health, beauty, supplement and fitness industry (perhaps even more so in Singapore than in the other countries) is very un-regulated. Becoming a "personal trainer" in Singapore is almost absurdly easy. The Basic exercise course is extremely easy to pass