When achieving success in the gym, your body’s natural hormones play a major role in the final output. Testosterone is the king of hormones your body produces for muscle size and strength. Nothing beats testosterone when talking about increasing your body’s production of muscle-building power. It provides several positive functions in the body. These include key roles in promoting muscle growth, enhancing strength, and improving stamina in the gym. You’ll find it also improves your stamina in the bedroom. To achieve optimal size and strength naturally, you must maximize your body’s production of the hormone testosterone. You also need a healthy mindset that goes along with this approach. With Test from 5% Nutrition, we're helping you push yourself toward your optimal physique and muscle-building goals, as well as your mental toughness to help you transform yourself from the inside out.