Save 5% when you buy our 2 pack bundle. Probaxstra Sport, the best probiotic for bodybuilding, is formulated with our unique proprietary probiotic SuperStrain combined with electrolytes. This blend was specifically created as paleo-friendly, dairy free, gluten free, AND non-GMO, to support the healthy immune systems that athletes need. In addition, our formula even aids in protein synthesis, and the absorption of amino acids. Probaxstra Sport is the ideal addition to your pre/post workout recovery to restore homeostasis to your body, while simultaneously helping you reach your fitness goals.