Re: Vitamin C / MSM in pet shops, usable by humans?

A while back I was buying my MSM at Agway(horses). Seems to me it came in 2 lb can. Anyway, went through a number of cans. I finally decided that maybe the source was not the best. I tried contacting the company (Carrolwood) but got no where. Honestly it worries me to a degree that counties like China put things on the market and don’t have the ability to properly regulate. Its just a thought of mine. I'm actually very fond of the Chinese people. I have been sticking with MSM that lists how it is made, btw its cheaper on the net (power is the only way to go)