GNC Sustained Protein Bar Peanut Butter Puffs, 25g Protein, 5CT

GNC AMP Sustained Protein Bars use an ultra-premium blend of 4 high-quality protein sources with rapid & sustained-release for up to 7 hours of muscle fuel. These bars are also gluten free and Banned Substance Free

Breakfast: rapid release of amino acids to "break your fast" and fuel muscles, plus ongoing support for up to 7 hours; Between meals: sustained release of amino acids for ongoing muscles support Post-workout: rapid release of amino acids plus sustained release for ongoing muscles support and protein synthesis^; Non-training days: provides critical amino acids to fuel muscles during recovery from intense training^