When it comes to supplements that blend functionality with flavour, Amino Energy by Optimum Nutrition has carved out a spot as one of the most versatile products in the industry. Designed as an amino acid supplement that doubles as an energy booster, it’s perfect for those who want a pick-me-up during the day, a pre-workout that won’t overwhelm them, or a recovery aid that supports muscle repair and hydration. With its wide range of flavours and clean formulation, it appeals to both newcomers and seasoned supplement users.
What makes Amino Energy stand out is its balance between amino acids and caffeine. Rather than being overloaded with stimulants, it offers a moderate dose of energy while providing essential aminos like BCAAs and glutamine to help support recovery. Whether you’re training, working, or simply need a lift to get through your day, this supplement is flexible enough to fit your routine without being too intense.
Flavours, price & pack sizes
Before deciding if a supplement is right for you, it’s worth knowing what’s available in terms of flavour and packaging. Amino Energy by Optimum Nutrition doesn’t disappoint, offering plenty of variety.
- Flavours available: Over 10 flavours including Watermelon, Blue Raspberry, Citrus Spritz, Concorde Grape, Fruit Fusion, Iced Mocha Cappuccino, Green Apple, Juicy Strawberry, Orange, Peach Mango Tango, Rainbow Sherbet, Tropical Sunrise, Watermelon and Wild Berry.
- Pack sizes: Available in 30-serve and 65-serve tubs.
- Price range: Around $35–$45 for the 30-serve tub, and $60–$80 for the 65-serve tub (varies by supplement store).
If you’re looking to buy Amino Energy you can purchase at most Supplement Stores (Find a Store Here), Chemists and at most Costco’s more recently.
If you dip feel like getting Amino Energy or other supplements delivered to your door, you’ll find it here – Amino Energy by Optimum Nutrition
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Ingredients & benefits
The formula is built to give you a boost in energy and recovery without being overwhelming. Each serving provides amino acids that help with muscle repair, along with natural caffeine for energy and focus.
Key ingredients
When you break down the formula, these are the standout inclusions:
- BCAAs (Leucine, Isoleucine, Valine): Help preserve lean muscle and promote faster recovery.
- Glutamine: Supports recovery and immune function after tough workouts.
- Arginine: May assist with blood flow and nutrient delivery.
- Green Tea & Green Coffee Extract: Natural sources of caffeine for sustained energy and focus.
Nutritional panel
| Nutrient | Amount Per Serving | % Daily Value* |
|---|---|---|
| Calories | 5 | – |
| Total Carbohydrate | 1 g | 1%* |
| Total Sugars | 0 g | ** |
| Sodium | 5 mg | <1% |
Amino Blend (5g): Micronized Taurine, Micronized L-Glutamine, Micronized L-Arginine, Micronized L-Leucine, Beta-Alanine, Micronized L-Citrulline, Micronized L-Isoleucine, Micronized L-Valine, Micronized L-Tyrosine, Micronized L-Histidine, Micronized L-Lysine Hydrochloride, Micronized L-Phenylalanine, Micronized L-Threonine, Micronized L-Methionine.
| Caffeine | 100mg | ** |
| Green Tea Leaf Extract | 50mg | ** |
| Green Coffee Bean Extract | 10mg | ** |
“Percent Daily Values are based on a 2,000 calorie diet.
**Daily Value not established.
INGREDIENTS: Citric Acid, Natural and Artificial Flavor, Malic Acid, Tartaric Acid, Silicon Dioxide, Calcium Silicate, Sucralose, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Inulin, Sunflower and/or Soy Lecithin, Yellow Sand 6, Red 40.
CONTAINS: Soy. Caffeine from Tea Leaf and/or Coffee Bean
Who is Amino Energy for
This product is made to suit a wide range of people looking for an energy and recovery boost.
- Everyday gym-goers needing quick energy without a crash.
- Students or professionals who want focus during work or study.
- Athletes who need amino support throughout the day.
- Anyone after a lower-stimulant alternative to strong pre-workouts.
Stacking suggestions
To get the most out of Amino Energy, it can be paired with other supplements depending on your goals:
- With creatine: For improved strength and power.
- With whey protein: To increase your overall protein intake post-workout.
- With electrolytes: For hydration during endurance training.
Frequently asked questions
Here are some common questions people have about Optimum Nutrition Essential AMIN.O. ENERGY:
Does Amino Energy contain creatine?
No, it doesn’t include creatine, making it more versatile for those who want a light product they can take any time of the day.
How much caffeine is in a serving?
Each two-scoop serve contains 100mg of caffeine, about the same as a small coffee.
Can I take it more than once a day?
Yes, but it’s best not to exceed five serves per day due to caffeine intake. Spread your serves out if you want both a workout boost and an afternoon pick-me-up.
Is Amino Energy sugar free?
Yes, Amino Energy is sugar free and very low in calories, making it diet-friendly.
When is the best time to use ON Essential AMIN.O. Energy?
It’s flexible, before training, in the morning, or as an afternoon energy boost.
Suggested use
Mix 2 scoops with 300–350ml of cold water. Take it before training for a performance boost, in the morning to kickstart your day, or between meals when you need energy and focus. You can adjust serving size depending on your caffeine tolerance.
Our verdict on Amino Energy by Optimum Nutrition
If you’re looking for a versatile supplement that fits seamlessly into your lifestyle, Amino Energy by Optimum Nutrition is hard to beat. It combines essential amino acids with a gentle energy lift, making it suitable for athletes, gym-goers, and busy people alike. The wide range of flavours ensures you’ll find one that works for you, and its low-calorie design makes it easy to fit into any diet.
What really stands out is its flexibility, it’s not just a pre-workout, not just a recovery drink, and not just an energy booster. It’s all three rolled into one. For those who want an affordable, effective, and enjoyable way to stay energised and support recovery, Amino Energy is an excellent choice from a trusted supplement brand in Optimum Nutrition or ON (as people like to refer to them).
