i need help i am taking 500mg sust and 400mg deca about 5 wks into cycle lately my lower back pain when i'm working out is almost unbearable i'm not sure if it is from the pumps or what it gets so severe i have to sit down for about 5 min or so before i can cont if i can, some times it just hurts too much. my diet is about 4000g a day about 350-400g protein a pretty clean diet i take tylers,cranberry extract,flax oil and drink about 1to 11/2 gal water a day as well i've put on about 22lbs since ive started my cycle any ideas anyone thanks.