If you were a fan of the old muscle-building prohormone stacks available through Muscle Research, you likely have been on the hunt for an effective alternative. While some of our most popular prohormones were cut short due to changing laws and regulations, we are proud to announce the arrival of a new stack that is making waves among the bodybuilding community. If you are looking for a new cycle that will provide real mass gains and raw aggression, the Super 4-Andro RX Starter Stack was created for you.

Muscle Gelz topical lotions are now available at mrsupps.com with free shipping! Check out these hardcore transdermal lotions to see which one can help you reach your goals. Androhard, Androshred, Estrozone, and more.

Muscle Research is proud to offer a special Military discount to our customers. We will now offer free Military shipping to all APO and FPO locations in addition to our free US shipping. We thank and support you!

Our new Whey Protein Isolate (WPI) is a very high quality Whey Isolate that is extremely pure, amazingly delicious and guaranteed free of amino spiking. We have two delicious Whey Isolate Protein flavors available all with free shipping at mrsupps.com.