With XCEL’S MASS PLEX X PRO expect gains in size and strength, and fuller muscles from Methylstenbolone and lean muscle gain, estrogen blocking and increased libido from Epistane. Carbopol is a polymer, a binding agent, which allows the complete timed-released absorption of compounds. With the addition of Carbopol the compounds are able to pass through the primary stomach acids for full absorption in the intestinal tract. XCEL’S NU-TEST BOOSTER and XCEL’S POST CYCLE SUPPORT are recommended during the off cycle. A 4 – 8 week cycle is suggested depending on desired results.