The system has never gone through any c tests or research. Actually the only research specific as “proof” is one little research performed on Chinese mice. The makers of DSN Code Black build a DSN Code Black separate system known as DSN Code Black Nitric Oxide Enhancer. Don’t confuse that system with what we’re talking about here. Should you be the guinea pig for DSN Code Black? Let’s take a closer look at the way it performs. How Does DSN Code Black Work? DSN Code Black claims to provide benefits similar to steroids: