I heard an top level amature bodybuilder discussing a product label called Spectro labs. He was saying how strong and how potent it is. He said he tried some tren at 600mg a week along with some Winstrol and Sustabol 250 all made from the same label. he also said that if I wanted more info on there products to go on there web site at **edited** I went on and found it very intresting.