About the product
- The Protein Game Changed: The new 100% Casein protein powder is packed with more slow-absorbing protein per serving, fewer calories, and improved taste with extra help from all-natural colors and flavors.
- Sustained Muscle Fuel: Designed for a slow and steady release of amino acids, GNC Pro Performance 100% Casein delivers 25g of gluten-free, micellar casein protein for muscle recovery and strength
- Lean Muscle Mass and Recovery: GNC Pro Performance 100% Casein is a complete protein with 11g of naturally occurring essential amino acids that support the protein synthesis needed for recovery and building lean muscle mass.
- Banned Substance Tested: Trusted by athletes around the world, our formula is third-party tested for purity and potency
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