Why Choose Elite?

Informed Sport Certified: Tested for banned substances, making it safe for competitive athletes.

What is Optimum Nutrition's Essential AMIN.O. Energy Elite Series?

Optimum Nutrition's Essential AMIN.O. Energy Elite Series is a premium amino acid supplement designed to enhance energy, focus, and muscle repair for athletes and active individuals. Each serving provides 5 grams of amino acids, 100 milligrams of natural caffeine, and 24 milligrams of vitamin C, all with zero sugar and only 28–31 calories per serving.

Performance Benefits:

• 100 milligrams of caffeine from natural sources, such as green tea and/or green coffee.
• 5 grams of amino acids per serving.
• 24 milligrams of vitamin C, supporting normal energy-yielding metabolism*.

When to Use This Product:

• Pre-Workout: Consume minutes before exercise to support energy levels and improve focus* during your training session.
• Morning: Start your day with a serving to increase alertness and support your daily amino acid intake.
• Afternoon Slump: Use as a pick-me-up to overcome midday slump.

Why Choose This Product?

A flavorful energy boost without added sugars, aligning with dietary preferences, supporting improved focus*, and normal energy-yielding metabolism*.

*Contributes to normal energy-yielding metabolism
*Caffeine contributes to increased alertness and improved concentration

5 g of Amino Acids per 9 g serving
100 mg of Caffeine
24 mg of Vitamin C contributes to normal energy-yielding metabolism.
Zero Sugar
28-31 kcal per serving
Anytime Energy
Improved Focus
100mg Caffeine to help support focus and alertness. Built on natural source Caffeine from Green Tea and / or Green Coffee
5g of Amino Acids to support daily amino acid intake. Amino acids are the building blocks of protein.

Add 2 level scoops (9 g) to 330 ml of cold water and mix. Consume 45-60 minutes before a workout or when you need a boost.