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  • Boost your energy, focus & muscle support anytime, anywhere
  • 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

Product Overview


With Optimum Nutrition ESSENTIAL AMINO ENERGY you can get the energy + focus to achieve your goals and take on whatever life throws at you. ESSENTIAL AMINO ENERGY is scientifically designed to support your energy needs and your long-term training.

One serving of ESSENTIAL AMIN.O ENERGY increases energy and alertness with 100 mg of caffeine from natural sources and a burst of flavour you’ll look forward to mixing into cold water anytime.Take a 30-serving tub along to the gym or your office – wherever your busy day takes you.



  • Boost your energy, focus & muscle support anytime, anywhere

  • 100 mg of Caffeine per Serving from natural sources (Coffee Bean and/or Tea Leaf)
  • 5 Grams of Amino Acids for Muscle Recovery Support¹
  • 5 to 10 Calories Per Serving with Zero Sugar
  • Available in convenient on-the-go ready-to-drink options or powder forms.

Suggested Use

Mix about 2 scoops into 330 ml of cold water and mix. Consume first thing in the morning, before exercise, as an afternoon pick-me-up or any time of day.

Nutritional Information

Nutritional information will be shown when a flavour and/or size is selected.

Customer Reviews

Overall Rating (4.8)
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Amino energy

Review by Joe on Sep. 20, 2022
Works great

Great pick me up

Review by Margarita on Sep. 18, 2022
I first tried the watermelon with electrolytes which I loved, then when my online Big Warehouse stop carrying it I ordered directly from ON. I’ve tried green apple, blue raspberry, watermelon, and now in container Fruit Punch - this one is a great daily drink. Gets me amped up for a morning bootcamp class and I have even kicked coffee since this is enough to get me going! Will continue to buy these Amino Energy powders as they travel well and are a great enhancement to my exercise regimen.

Balanced energy, mental focus, and hydrates

Review by Ryan C. on Sep. 1, 2022
I use this to grab balanced energy for my day. With work and staying fit, this product helps quite a bit, and I’ve been using it for about 7 years now. I typically use 5 scoops, 3 early in the morning and 2 at noon.

Amino Energy

Review by Johnathon Smith on Aug. 31, 2022
The Blueberry Mojito is one of our favorite flavors. Light and refreshing. We have been purchasing for over 4 years now. It would be awesome to see a rewards program come out. We purchase 6 cans a month and it adds up. Very much worth it to us though! Great product!

Best supplement for anytime energy

Review by Niko on Aug. 30, 2022
I love ON amino energy! Simple ingredients and great boost of energy. I will purchase again!!!

Amino Energy

Review by Chancy on Aug. 23, 2022
This stuff is the best out there for clean energy! Everyone I know that uses it, does so daily and wishes they made the chewables again for portability.

Really works

Review by Anonymous on Aug. 22, 2022
I take this with Kratom before workouts and its great. Also tastes great in blue raspberry. I also take by itself in the afternoon for a boost. Love this stuff!

Amino acid

Review by Anonymous on Aug. 19, 2022
I love amino acid, it’s the only prework out I will use. It’s clean, tastes good, and has just the right amount of caffeine (I don’t like that much)

Amin O Energy

Review by Mr Shaun P Berwick on Aug. 13, 2022
Perfect drink to have for all kind of sports when an energy top up is needed, found it great for cycling.Particularly like the watermelon flavour.

Best all around workout mix I’ve found yet!

Review by Ray Thomas on Aug. 13, 2022
Whether it’s pre, post, or during the workout, this drink mix works. Energy providing, muscle building, body repairing son of a gun amino drink is the all in one for me!