VALX Arginine & Citrulline Powder Blueberry Cassis Flavor Brand new, unopened. I purchased this but am selling it because I won't be using it. [How to Consume] As a guide, mix about 1 scoop (approx. 8g) with 200-300mL of water per serving. Adjust the amount to your preference. Using a shaker will help it dissolve more easily. The ideal time to take arginine is "1 hour before exercise." Exercising at this time will allow you to experience the effects of arginine, such as increased endurance and concentration, and improved performance during high-intensity exercise. Arginine has various effects, so it's important to take it at a time that suits your purpose. If you want to improve exercise performance: "Before training" If you're tired or want to improve your condition: "After training" If you want to promote growth hormone secretion for beauty and health maintenance: "Before bed" *Will be shipped in simple packaging. *Price negotiations will not be entertained.