Protein Quick Provides up to 20 grams of protein in 2 ounces of liquid. Zero fat, zero sugar, zero caffeine, and zero carbohydrates. Proprietary formulation featuring whey protein. Ready to drink – requires no mixing or refrigeration. Minimal ingredients so only source of calories is the protein – 80 calories. Packaged in a 5 Hour Energy size 2 ounce bottle. Convenient, portable, and ready