i,ve started some test cyp from a new source and after inj. 1.75ml shoulders/hip/ thigh/ split...200mg/ml... so 750/wk. legs were a little pain as were hip but shoulders were muscle spasms for a day after... its not virgin musc. im two weeks in and the libido is not bad yet ( stopped trt ) .....cyp is a litle yellow in color ? something fishy here ??? anybody else exp. this ?