Pro Performance Results Numbers matter when you want to increase mass and muscle. This scientifically formulated gainer contains 1,340 nutrient-dense calories and 50 grams of high-quality protein to help you increase size and overall body strength.* Bulk 1340 also provides 10 grams of glutamine, an important amino acid for maintaining positive immune response and muscle function to support your wellness goals.* Branched Chain Amino Acids may help reduce muscle protein breakdown. This formula includes 11 grams of BCAA for muscle recovery and growth and creatine to help your muscles produce energy for exercise.* Pro Performance Quality Bulk 1340 is tested and certified Banned Substance Free. It tastes great, mixes easily with a simple shake or blend and is fast absorbing to conveniently support maximum wellness. High-Calorie Mass Gainer Supports Muscle Energy, Recovery, & Growth* ^Product was tested for over 145 banned substances on the 2018 World-Anti-Doping Agency (WADA) Prohibited List via LGC skip lot testing protocol #ICP0307.
HIGH-CALORIE MASS GAINER: GNC Pro Performance Bulk 1340 is a scientifically formulated mass gainer that delivers 1,340 calories per serving and 50g of high-quality protein to help you increase size and overall strength when used in conjunction with an exercise program.
RECOVER WITH BCAA: Formula features 11g branched chain amino acids (BCAA) and glutamine, an important amino acid which is involved in protein synthesis and plays an important role in hydrating muscle cells.
BANNED SUBSTANCE-FREE MASS GAINER: Bulk 1340 Mass Gainer has been tested for over 145 banned substances and is and certified Banned Substance.^
BACKED BY SCIENCE: Since 1935, GNC has been committed to meeting the highest standards of quality, safety and efficacy while applying the most up-to-date advances in nutritional science so you can live well.
Branched Chain Amino Acids May Help Reduce Muscle Protein Breakdown.