yeah i was going to reply to marble the same thing cannon,, cuase i used tren before just by its self with no sides,, but with deca adn test i had serious sides,, then i stopped for a good 6 months,, and with pre existing gyno just 3 ccs if tren got me a serious increase in tissue, adn tren is related to deca, and deca has been proven to bring about gyno from progestrigen just like anadrol,,,