7- Hour Sustained-Release Protein Ultra-Premium Blend of 4 High-Quality Protein Sources Rapid Sustained-Release for Up to 7 Hours of Muscle Fuel PERFORMANCE PROTEIN b4 Sources of Scientifically Blended Protein, Including Specially Processed Native Protein- Protein in its Natural State Native Whey Isolate Native Micellar Casein Egg Whites Whey Hydrolysatep USAGE BENEFITS Breakfast Rapid Release of Amino Acids to Break Your Fast Fuels muscles, Plus Ongoing Support for Up to 7 Hours Between Meals Sustained Release of Amino Acids for Ongoing Muscle Support Post-Workout Rapid Release of Amino Acids Plus Sustained Release for ongoing Muscle Support Protein Synthesis Non-Training Days Provides Critical Amino Acids to Fuel Muscles During Recovery from Intense Training If its on our labels, then its in our bottles. Full dosing, full transparency and no meaningless sprinkles. Superior ingredients backed by real science. Up to 7 hours of premium muscle fuel for advanced muscle performance.