Dietary Supplement. Male Formula w/Yohimbe. Energy. The Science Behind The Size: Product: A scientifically advanced male formula with standardized Yohimbe bark extract and Arginine. Result: Enhances blood flow. Science: Yohimbine has been traditionally used to promote healthy sexual function. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.