Essential AmiN.O. Energy
Optimum Nutrition

Essential AmiN.O. Energy

Amino Acid Powder with Caffeine from Natural Sources!
Designed to Support Muscle Endurance and Recovery*
8.9 out of 10 (2,616 Reviews)
4 Sizes
30 Servings
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20 Flavors
Blue Raspberry
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Buy 1 Get 1 50% Off
Price: $18.99 ($0.63 / Serving)
Flavor Rating: 8.5
Buy 1 Get 1 50% Off
For a limited time, buy 1 Essential AmiN.O. Energy, 30 Servings & get 1 50% Off!

Product Overview

Optimum Nutrition. Anytime Energy and Amino Acid Support
Optimum Nutrition Essential Amino Energy
  • 100 MG OF CAFFEINE FROM NATURAL SOURCES
  • 5 GRAMS OF FREE FORM AMINO ACIDS
  • 5 TO 10 CALORIES PER SERVING
  • MIXES EASILY INTO COLD WATER
  • WITH NEW CAFE SERIES FLAVORS CONSIDER MIXING WITH COLD MILK
  • ADD ICE CUBES TO ENHANCE THE EXPERIENCE

THE ORIGINAL ANYTIME ENERGY MIX

  • Choose from:
    12 Fruit Flavors
    3 Cafè Series Flavors
    4 Naturally Flavored Options
  • All with 100 MG Caffeine from Natural Sources & 5 G Micronized Free Form Amino Acids
  • Consistently One of Bodybuilding.com’s Top Products
  • Made in ON Operated Facilities that are GMP Registered and GMP for Sport by NSF
Optimum Nutrition Isolate
Amino Energy at a glance. What: Caffeine and Amino Acids. When: Anytime, for any occasion. Why: High Quality Food Supplement.
23 UNIQUE FLAVORS* AND COUNTING!
Concord Grape Blue Raspberry Fruit Punch Green Apple Lemon Lime Orange Cooler Strawberry Lime Watermelon Blueberry Mojito Flavor Pineapple Peach Lemonade Peach Lemonade

Cafè
Series

Iced Cafe Vanilla Iced Chai Tea Iced Mocha Cappuccino

Naturally
Flavored

Iced Mocha Cappuccino Iced Mocha Cappuccino Iced Mocha Cappuccino Iced Mocha Cappuccino

Tea
Series

Half & Half Lemonade & Iced Tea Sweet Mint Tea White Peach Tea Raspberry Black Tea
*NATURALLY AND/OR ARTIFICIALLY FLAVORED
ON Essential Amino Energy bottle image
ON Essential Amino Energy bottle image

AMINO ENERGY

  • Sweetened With Stevia Leaf Extract
  • Colored with Fruit and Vegetable Extract

CAFÈ SERIES
AMINO ENERGY

  • Made with Real Colombian Coffee
  • Great Mixed Intro Cold Along Milk
Optimum Nutrition essential Amino bottles
OPTIMUM TRUE STRENGTH

True Strength is a journey. It never rests, it never quits. It's about overcoming obstacles, accomplishing goals, and recognizing achievements. And then it resets to achieve again. As your trusted sports nutrition partner in goal achievement, ON demonstrates that same passion while crafting our products. From the raw materials we source to our state-of-the-art manufacturing processes, no compromises are made. You set the bar higher after every workout, we set the bar higher to redefine the industry standards and ensure you realize optimum results.

QUALITY

There are times when you want a hefty dose of caffeine for pre-workout performance. But on other occasions, like first thing in the morning or a late afternoon pick-me-up, what you’d get from a cup of coffee is more appropriate. ON’s Essential Amino Energy™ offers the best of both with a formula that delivers 100mg of caffeine from natural sources per 2-scoop serving. Decrease or increase the energy level as the occasion demands. Each serving provides 5 grams of micronized amino acids.

Optimum Nutrition Essential Amino Energy
CONSISTENCY

Optimum Nutrition has been spotting the efforts of goal driven individuals since 1986. As one of the few companies to operate state-of-the-art manufacturing facilities that are GMP compliant, ON assures that every shake will mix up effortlessly because of its first-to-market instantization process. You also expect each shake to taste the same as the last and your next. That's the kind of consistency ON delivers.

HISTORY & HERITAGE

Optimum Nutrition is legendary for both quality and innovation. In addition to producing the world's best-selling whey protein, ON's Gold Standard 100% Casein™ introduced slow-digesting nighttime protein to the weight training world and Essential Amino Energy™ created the anytime energy category in sports nutrition. When technology makes advancements possible, ON will be the company bringing it first to your shaker cup.

Ratings & Reviews

Overall Rating
8.9
2,616 Ratings
Verified Buyer Rating
9.1
1,430 Ratings
Average Flavor Rating
8.9
30 Flavors
Top Rated Flavor
10
Lime Mint Mojito
By clicking the button above, you agree to entering the Bodybuilding.com Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
10
Verified Buyer
  • 10 Peach Lemonade - Exclusive!

Best flavor ever! A bit tart which I love...not a bad aftertaste like some.

10
Verified Buyer
  • 8 Juicy Strawberry Burst
  • 10 Sweet Mint Tea

Love the Sweet Mint Tea, my absolute favorite out of all of the flavors. Tastes just like sweet tea, but not too sweet, even has a very slight bitter aftertaste just like real tea. The Juicy Strawberry Burst is great too, it’s so good that it becomes not good if you know what I mean. It’s overwhelming in flavor after a while and I can’t drink it anymore.

10
 
  • 10 Blue Raspberry
  • 10 Watermelon

This is my second favorite sup in my stack, right next to ONs Gold Standard Whey. love this stuff, and have been an avid user of it for a few years now. I primarily use it as a pre-workout. I have only tried the standard flavors, so far all tasting great. On occasions, I will even mix Watermelon with Blue Rasberry to change things up. The powder mixes VERY well in as litle as 6 ounces of water to 2 scoops. Overall, I highly recommend this as an energy drink alternative or a pre-workout replacement for those needing a fraction of caffeine.

9
 
  • 9 Concord Grape

Flavor is pretty good!, it gives a lot of energy and helps to muscle recovery. I just avoid drinking after 3 pm (sleeping issues)

10
Verified Buyer
  • 10 Blue Raspberry
  • 10 Cotton Candy
  • 10 Blueberry Mojito
  • 9 White Peach Tea
10
Verified Buyer
  • 6 Blue Raspberry
  • 10 Peach Lemonade - Exclusive!

The Peach Lemonade is addictive. Freaking amazing. I tried the Blue Raspberry once when PL was sold out and had trouble finishing it.

9
Verified Buyer
  • 9 Blue Raspberry

I have used Optimum Essential AmiN.O. for years. I love the boost it gives me before and during workouts. I even use it before I do my yard work ( I have a large yard!) Energy plus. Highly recommend.

10
Verified Buyer
  • 10 Juicy Strawberry Burst
  • 3 White Peach Tea

Peach white tea isn’t the best I’ve tried. I figured I’ve give it a shot because I love peaches and white tea, but this isn’t too great. The taste just isn’t there, it’s odd. Juicy strawberry is where it’s at though!

9
Verified Buyer
  • 9 Naturally Flavored Simply Peach Tea

better than regular amino nd its natural taste just like iced peach tea good for hot summer days

10
 
  • 10 Concord Grape
  • 10 Juicy Strawberry Burst

Juicy Strawberry Burst tastes exactly like a pink starburst & Concord Grape tastes just like grape Kool-Aid! Both are my favorites!!! Perfect solution for the mid day crashes!

9
Verified Buyer
  • 9 Orange Cooler

Love this product. Tried orange cooler which tastes great and cranberry orange which was good, but nothing amazing. I love how this product offers so many flavours for everyone to enjoy. I’m a big fan of the caffein and I have replaced coffee with 2 scoops of this daily. My only criticism is that I usually take my aminos during or post workout which can’t be done due to the caffein and have to wait 4 hours post pre workout. All in all amazing product and will definitely be using again!

10
 
  • 8 Green Apple
  • 8 Strawberry Lime
  • 8 Concord Grape
  • 7 Lemon Lime
  • 4 Pineapple
  • 10 Watermelon
  • 10 Blueberry Mojito
  • 4 Orange Cooler
  • 5 White Peach Tea

I love this product, I've been using it for years. Its very clean and effective. It doesnt make me sick. I started taking it for working out and clubbing, I now take it first thing in the morning everyday . The flavors vary in Sweetness and boldness, My favorite ones tend to be lighter in sweetness but still flavorful (with the exception of Grape being strong but still delicious. My least favorites tend to be too sweet with the exception of the pineapple witch was far too bland for me, I had to mix it with other things for my brain to make sense of it.

10
Verified Buyer
  • 9 Blue Raspberry

I'm pretty sensitive to too much caffeine, so Amino Energy works perfectly for me. As another review said, it give me enough drive to push myself through long workouts without an upset stomach or feeling shaky. Lately I've been mixing it with PES High Volume for some more intense pumps and have gotten excellent results! I can get seemingly skin-splitting pumps, it's fantastic.

9
Verified Buyer
  • 7 Cotton Candy
  • 7 White Peach Tea

I can noticed when I don't drink it. I love that it gives me great energy throughout the day, works great for recovery and most importantly it gives me a great CALM energy for my light-moderate workout days. I am even able to get through 45 mins of cardio and a heavy lifting day without feeling like I destroyed my body. I have even noticed its effects on my appetite which could be because my body isn't craving the things its missing, but who knows. Cotton candy - Good for my sweet tooth White peach tea - Tastes good, just not what I was expecting.

8
Verified Buyer
  • 10 Pineapple
  • 8 Watermelon
  • 9 Peach Lemonade - Exclusive!

One of the best BCAA I have tried, it has a great taste and most of the BCAA's not all of them unfortunately. I have tried many different bcaa from different companies and this one has a great taste and the price is good as well. I mix 4 to 5 scoops in a gallon of water for the day and add glutamine into it because that is one of the bcaa that is missing. I would definitely recommend this product.

What's in Optimum Nutrition Essential AmiN.O. Energy

30 Servings Blue Raspberry
Supplement Facts
Serving SizeTwoScoops(9g)
Servings Per Container30
Amount Per Serving % Daily Value
Calories 10
Total Carbohydrate 2g 1%*
Amino Blend 5g
Micronized Taurine, Micronized L-Glutamine, Micronized L-Arginine, Micronized L-Leucine, CarnoSyn® Beta-Alanine, Micronized Citrulline, Micronized L-Isoleucine, Micronized L-Valine, Micronized L-Tyrosine, Micronized L-Histidine, Micronized L-Lysine, Micronized L-Phenylalanine, Micronized L-Threonine, Micronized L-Methionine
Energy Blend 160mg
Caffeine (From Green Tea)‡, Green Tea Extract (Camellia Sinensis)(Leaf)(Standardized For EGCG), Green Coffee Extract
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established.
Other Ingredients:
Malic Acid, Natural & Artificial Flavors, Tartaric Acid, Silicon Dioxide, Calcium Silicate, Citric Acid, Sucralose, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Lecithin, FD&C Blue #2, FD&C Red #40, Inulin.
Allergen Information:
Contains Soy (Lecithin)
‡ Total Caffeine from all sources is equal to 100mg/9g serving.

Directions For Essential AmiN.O. Energy:

Mix two scoops of ESSENTIAL AMINO ENERGY in 10-12 oz of cold water.

FOR AN AMINO ACID BOOST: Consume one or more servings first thing in the morning and/or between meals.
FOR PRE-WORKOUT ENERGY: Take 1-3 servings 20-30 minutes before training.
FOR POST-WORKOUT RECOVERY: Take 1-2 servings immediately after training.

Do not exeed more than 5 servings per day.

TIPS: ESSENTIAL AMINO ENERGY contains 50 mg of caffeine per scoop, so do not consume after 5:00 PM if you have difficulty sleeping. ESSENTIAL AMINO ENERGY also contains beta-Alanine and may cause a temporary tingling sensation on your skin. This is normal. With continued use, the intensity of the sensation will decrease or disappear. Also, some people may have a sensitive stomach and will not tolerate green tea extract well on an empty stomach. If this is you, be sure to take with meals.

STICK PACKETS: BOTTLE OF WATER: Take a sip from a full 16.9 oz. bottle of water to make room for the powder. Add one packet of AMIN.O. ENERGY™ and shake bottle to mix well until powder dissolves.

 

Warnings: KEEP OUT OF REACH OF CHILDREN. Check with a qualified health care professional before taking this product if you are pregnant or nursing a baby, under 18 years of age, have any known or suspected medical conditions, and/or if you are taking any prescription or OTC medications. STICK PACKS: WARNING: Consult your physician before using this product if you are taking any medications or are under a physician's care for a medical condition. Not for use by those under the age of 18, women that are pregnant, or nursing, or those that are sensitive to caffeine or beta-alanine. Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat. Beta-Alanine may cause a harmless, temporary tingling or flushing sensation. Do not combine with alcohol. Do not exceed 3 packets within any 4 hour period or 5 packets within any 24 hour period. Consume as part of a healthy diet and exercise program, and drink at least 100 fl oz of water per day. Exercise may increase your need for fluid intake. Phenylketonurics: Contains Phenylalanine.

* 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.
Learn more about Amino Acids.