Sustained Nutritional Energy. Zero Stimulants. Boosts ATP. Stronger Contraction. Low Glycemic Rating. No Insulin Spike. No Stims All Carbs. Carbo Drive delivers 45 grams of carbohydrates and 180 calories for optimal nutritional energy – with no stimulants and no sugar crash. Using Glycerin and Trehalose as the carb sources, Carbo Drive boosts muscle glycogen and ATP levels, giving a sustained muscle energy release throughout your workout with no increase in blood sugar. Glycerin provides not only instant energy, but also provides ""pump"" benefit as a hydrating agent that goes straight to your muscles, while Trehalose is a sugar that is assimilated over 3 hours throughout your entire digestive system – not just the small intestine – giving no insulin spike. Train Naked Labs has nothing to hide – you will find full disclosure of all ingredients in the nutrition facts panel.