WHAT IS A PRO-HORMONE? Pro-Hormones are amongst the most powerful muscle builders around. They are highly varied and can be very complex. We highly recommend following the directions on each individual product, which typically includes cycling off after 8-12 weeks and taking a PCT. When taken as instructed they can deliver great results but also come with a higher risk of potential negative side effects. If you choose to try one of our highly effective muscle building Pro-Hormones consider taking one of our Post-Cycle-Therapy products to help mitigate the most common side effects. Please do your own research and consult with your health provider if you have any questions or concerns.