The user feedback has been great. As said above, Mass FX rapidly boosts levels of free test. It delivers rock solid pumps and increases strength gains. I will post a link to a clinical test that you can read that really breaks down the benefit of taking mass-fx.
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Adding Hyperdrol X2 to Mass FX will allow your body to keep you from increasing test and increasing estrogen by eliminating and controlling estrogen conversion from the aromatase. Hyperdrol utilizes 6-bromodione, which is an AI that doesnt negatively affect libido and increases strength and mass. Personally, Hyperdrol is my favorite AX supplement, and stacking it with Mass FX gives you even more gains. There is a lot of logs on Mass FX/Hyperdrol generally everbody wins with this stack!
It wouldn't be uncommon to gain over 10lbs with this stack.
Try giving that a run for 8 weeks. If you add Lean FX in you will also be allowing yourself to lean out and get very dry gains, you will be dropping fat and adding lean mass.
Any questions we are here to help!