Muscletech Neurocore is designed to be consumed before exercise. It contains L- Citrulline, Beta Alanine & L-Theanine. Muscletech Neurocore also contains Creatine which, with a daily intake of 3g, may increase physical performance in successive bursts of short-term, high intensity exercise. Product Highlights: Intense Energy & Focus Stimulant: New 2nd generation Neuro Core is packed with powerful precise doses of scientifically studied, fully disclosed key ingredients, including a newly added energy & focus complex to bring an added edge to any hardcore training session. Enhance Muscle: Neuro Core contains 3200mg of beta-alanine the exact dose scientifically shown to help enhance the muscle- & strength-building process. Amplify Strength: A highly potent & unique creatine known as creatine HCl has been infused into the formula. Creatine is clinically validated to amplify gains in size & strength. Long-Lasting Muscle Pumps; Neuro Core is formulated with a research-tested dose of pure L-citrulline instead of L-arginine for intense, long-lasting muscle pumps. L-citrulline has shown in research to reach superior peak plasma L-arginine levels compared to a larger dose of L-arginine. Intense Focus: Neuro Core contains 150mg of L-theanine, which helps support enhanced focus. Enhanced Sensory Experience: A potent yohimbe bark extract has been added to Neuro Core supplying rauwolscine & yohimbine, which are categorized as selective alpha-2 receptor antagonists. Human research indicates that blocking alpha-2 receptors may play a significant role in supporting blood flow.