all i know is im 20 and i ran my first cycle, it was fun and all i gained about 17 pounds of solid muscle. i just finished my pct. i shouldnt of done it really, at a young age it's like we produce enough test for a 40 year old on gear so whats the point, at an older age when out test naturally declines would make since to me to be safe. im not knowledgable as many of these older guys but im starting to learn from yall. good topic. im going to compete in my first BB contest in october but will not juice for years........ well i should'nt