Our 1 Selling Testosterone Brand4x More Testosterone¹Increase Muscle & Strength Boost Thermogenesis Enfinity KSM-66 AshwagandhaAxivite®CaloriburnDietary SupplementBoost Test Thermo Sensory Experience Clean EnergyMuscle StrengthEnhanced Focus AlphaTest® Thermo XTR is the most powerful testosterone and thermogenic formula we've ever formulated This scientific breakthrough combines KSM-66 R ashwagandha, enfinity® paraxanthine, grains of paradise (6-paradol), aXivite® phenylcapsaicin and clinically tested boron. AlphaTest® Thermo XTR enhances testosterone production while energizing your training, for jaw-dropping results 4x More Testosterone 1In an 8-week study, test subjects taking a key ingredient found in AlphaTest® Thermo XTR increased their total testosterone levels 4X more than those who took a placebo (96.19 vs. 18 ng/dL) KSM-66 Ashwagandha®  A powerful adaptogen that has been shown in a clinical study to support strength and muscle size, as well as promote total testosterone.  Enfinity  Breakthrough clean, safe and effective metabolite of caffeine. Delivers hardcore thermogenesis, clean energy and focus. Grains of Paradise  The seeds of Aframomum melegueta has been used traditionally and supplies the pungent compound 6-paradol.  Axivite®  Feel the heat from phenylcapsaicin, a derivative of capsaicin, which is an active component of chili peppers.