Two bottles of Optimum Nutrition Amin.O. Energy supplement, one purple and one orange, on a white background

2x ESSENTIAL AMIN.O. ENERGY® (30 serv)

  • Anytime Energy & Muscle Recovery
  • 100 mg of Caffeine per Serving from Coffee Bean and/or Tea Leaf
  • 5 Grams of Amino Acids for Muscle Recovery Support¹
  • 5 to 10 Calories Per Serving with Zero Sugar
Sale price$49.48 Regular price$54.98
Save $5.50

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1. These statements have not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure or prevent any disease.
2. No significant difference has been shown between RBST treated and non-RBST treated cows.
3. When used over time in combination with regular resistance exercise.
4. Source Euromonitor International Limited; Consumer Health 2025 Edition, Sports Nutrition category, %retail value shares, 2024 data.
5. Not a low calorie food.
6. Naturally occurring amino acids.
7. See nutrition information for saturated fat, cholesterol and sodium content.