This is the biggest con going. This will give your muscles about as much boost as snake piss. The only way this would increase mass is if you took 10 gallons, pumped it up your arse and left it there. What about Amino Acids. Did he study 5 years at medical school, does he have a degree in physiology.
Most physical trainers are the guys who never made it beyond high-school.
Its in their interest to bring a mystique to training and nutrition, just so that they can sell you more. Its as simple as that. But my personal trainer has a certificate. That certificate is worth less than the paper he uses to wipe his arse. As long as you put down your hard cash these criminals would sell you whatever you want.