Contains 7.5 g essential amino acids per serving for comprehensive muscle recovery
Includes 5 g branched-chain amino acids to support muscle growth and repair
Provides 500 mg electrolytes per serving to maintain hydration during intense activity
Certified for no banned substances by the World Class Sports Anti-Doping Lab (LGC)
No added sugar, gluten, or artificial ingredients for clean supplementation
Summarized by Shop
Speed up your post-workout bounce-back, hydrate your body, and give your muscles a boost with Rule 1s all-in-one essential amino acid mix. Give R1 Essential Amino 9 a try and feel the difference! Features/Benefits