When it comes to supporting muscle building and maintenance, these nine “essential” amino acids are aptly titled. Since they can’t be synthesized within our bodies, they must be obtained through nutritional sources. R1 Essential Amino 9 delivers 7.5g of essential amino acids in every serving, plus added electrolytes for hydration.^†
About this item
- The Essentials & More: Each serving provides all 9 Essential Amino Acids (EAAs), including 5g of BCAAs, plus a 500mg electrolyte blend.
- Supports Muscle Recovery: 7.5g of total EAAs per serving support post-workout recovery and replenishment to help you prepare for your next training session.
- No Stimulants or Added Sugar: With no caffeine or added sugars, Essential Amino 9 may be used day or night and is easily incorporated into different eating plans including carb-controlled diets.
- Versatile: Best taken on training days to support recovery around workouts, Essential Amino 9 may also be used on non-training days for hydration.
- Clean Manufacturing: Essential Amino 9 is proudly made in our own state-of-the-art GMP-certified facilities in the USA. It’s produced with premium globally sourced ingredients and is banned substance tested by Informed Choice.








