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Artificially Flavored1 220+ Calories Per Serving250g+ Carbs Per Serving40 g Protein Per ServingHigh-Calorie Weight Gainer6:1 Carbohydrate to Protein FormulaWeight Gain SupplementInformed Choice - We Test You TrustBanned Substance TestedGluten FreeCarb10®Better Input = Better OutputThe premise for R1 MASS GAINER™ is simple: to be MASSIVE you need to go MASSIVE. With more than 1 220 calories a 250g+ complex carb blend and 40 grams of protein from three types of whey this calorie-packed formula provides a 6:1 carb to protein ratio plus over 9 grams of naturally occurring BCAAs & added creatine monohydrate to help fuel your workouts & add size quickly.Naturally Occurring Amino Acid Profile^Essential Amino AcidsLeucine Lysine Phenylalanine Isoleucine Valine Methionine Histidine Tryptophan Threonine46%Conditionally Essential Amino AcidsArginine Cystine Glutamine & Glutamic Acid Tyrosine Glycine Proline33%Non-Essential Amino AcidsAspartic Acid Alanine Serine21%R1 Quality Guarantee - Rule One Proteins™ Commitment To QualitySince day one Rule 1 Proteins™ has proven that exceptional quality and superior value aren't mutually exclusive. We develop our own products source the finest ingredients and manufacture them in an FDA-inspected GMP-compliant and Banned Substance Tested facility. Streamlining and tightly controlling every phase of the process from start to finish enables us to offer premium products without the premium price.Informed Choice; We Test You Trust - Banned Substance Tested Informed Choice® is a quality assurance program for nutritional supplements. The program certifies products exhibiting the Informed Choice logo have been regularly tested for banned substances by the world class sports anti-doping lab LGC.Instantized - Easy To Mix: Small amounts of lecithin are added as an emulsifier to help with mixing.^Per Serving. Values are naturally occurring & approximated.