I remember Ray Peat saying:" Most commercial supplements are of extremely low quality". Is he right here again
" http://suppversity.blogspot.com/2011/11 ... ls-of.html "
I wonder is Now Foods Calcium carbonate powder is safe, I wrote two emails to them and no reply?
I mean how can they even find this high levels, the legal limit USP is 28ppb, most of tested supplements are even registered as pharmaceutical drugs.
" http://suppversity.blogspot.com/2011/11 ... ls-of.html "
I wonder is Now Foods Calcium carbonate powder is safe, I wrote two emails to them and no reply?
I mean how can they even find this high levels, the legal limit USP is 28ppb, most of tested supplements are even registered as pharmaceutical drugs.