i grabbed 6 bottles of sust 300 from my reguler sorce gave 2 bottle away kept 4 started with 600mgs first week then cut it back 2 450 mgs anyway its not important however there are 4 of us that have the same batch and we are all having extreme pain i went in my quad my buddies went in the butt hurts in both places my source says its cause the others r newbies that cant b right theres got 2 b something wrong with the mix any thoughts would b great