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Essential Amino 9 by Rule One Proteins – Clean Recovery & Hydration
Essential Amino 9 is designed for athletes who demand efficient muscle recovery and hydration supported by a transparent, Informed Choice®-certified formula free from stimulants and added sugars. It delivers essential nutrients to support your performance, any time of day or night.
Key Features
- 7.5 g essential amino acids per serving to support muscle protein synthesis and repair.
- 5 g BCAAs in a 2:1:1 ratio for fast recovery.
- 500 mg electrolyte blend (sodium, potassium, magnesium, chloride) to aid hydration during workouts.
- Stimulant-free, added sugar-free, gluten-free—ideal for flexible use.
- Informed Choice® certified and regularly tested for banned substances.
Technical Details
- Serving Size: 1 scoop (~11.5 g)
- Total EAAs: 7.5 g
- Total BCAAs: 5 g
- Electrolytes: 500 mg
Usage & Target Audience
Perfect for strength athletes, crossfitters, and endurance trainers. Mix one scoop with 8–12 oz of cold water and consume around workouts. Also effective on rest days to support ongoing recovery and hydration.
Why Choose It
If you want a high-quality, effective supplement without unnecessary extras, this is your go-to. Discover Rule One’s commitment to clean, performance-driven nutrition today.
- Made
- UK
- On promotion
- SI
Rule One (R1) stands as a benchmark in advanced sports nutrition, guided by the philosophy “Better Input = Better Output” — meaning that only the highest-quality ingredients can deliver outstanding results.
What sets it apart:
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End-to-end production control: every supplement is formulated in-house, using carefully sourced raw materials. Blending and packaging take place in a 250,000 ft² facility equipped with advanced measuring, mixing, and packaging technologies.
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Uncompromising quality: Rule One leaves nothing to chance — engineering, inspections, and testing are embedded in the process, supported by a dedicated distribution center to guarantee fast and reliable deliveries.
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Independent certifications: beyond in-house checks, products are verified by third-party organizations to ensure integrity and compliance. Certifications such as Informed Choice® confirm that products are free from banned substances.
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Credibility and expertise: the founding team brings decades of experience in the field, including backgrounds in leading brands such as Optimum Nutrition. Established in 2014 and headquartered in Aurora, Illinois, the company combines technical know-how, passion for sports, and a modern market vision.
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