Bucked Up® Black - Rainbow Rush: Pre-Workout Das Labs Presents Bucked Up® Black, A Game-Changing Formula Set To Revolutionize Pre-Workout. This Scientifically Based, Non-Proprietary Blend With No Fillers, Is Loaded With The Most Essential Ingredients, Including Igf-1 Deer Antler Velvet, To Help Enhance Your Workout. Citrulline - 6G To Maximize Blood Flow (Nitric Oxide Booster) Actigin® - Increase Vo2 Max & Boost Athletic Performance Deer Antler Velvet - Supports Accelerated Recovery Alphasize® - Clinically Shown To Sharpen Mental Focus Astragin® - Clinically Shown To Increase Citrulline Absorption By Up To 66. 7% Beta Alanine - Promotes Strength, Endurance & Muscle Growth Humic/fulvic Minerals - Promotes Body Detoxification, Compound Absorption, And Stamina | Bucked Up Black - Rainbow Rush (30 Servings)