Optimum Nutrition (ON) Amino Energy


This is a Vegetarian product.
  • 5 grams of micronized free-form amino acids blend for faster absorption
  • 100mg of caffeine per two scoops
  • Ability to use multiple scoops to go from mild to intermediate, to intense energy
  • Just 10 calories per serving with zero sugar
  • Provides anti-catabolic support and intra-workout hydration and supports recovery before, during, and after exercise
  • Optimal usage occasions: Before and/or during endurance exercise or within 30 to 45 minutes after weight training
  • Brand Customer Care details: Indiacustomercare, contact_us on 011 49594959
  • Country of Origin: United States
2.45 out of 5 based on 22 customer ratings
(22 customer reviews )
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Optimum Nutrition (ON) Amino Energy

Optimum Nutrition Amino Energy helps to attain maximum performance during training sessions. The blend of amino acids and caffeine in this supplement provides an unparalleled focus to perform better repetitions. Each serving (2 scoops, 9 g) of Optimum Nutrition Amino Energy provides 5 g of amino acid blend, which includes BCAAs and other essential amino acids. These amino acids aid the recovery process and promote better muscle synthesis. This supplement also contains green tea and green coffee bean extracts that boost metabolism to help the body produce more energy throughout the day.

Variants Available

The best thing about Optimum Nutrition Amino energy is the variety of flavor options available. Besides being an energy drink, it tastes amazing with a wide range of flavors. Some of them are fruity in taste, while others are coffeehouse inspired. The flavors available are concord apple, blue raspberry, fruit passion, green apple, lemon pie, strawberry lime, orange cooler, watermelon, blueberry mojito, and pineapple.

Also, there are two choices available for the size of the container, i.e. 0.6 lb and 1.29 lb. One can select the box as per individual requirement.


Amino acid blend ((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 HCL, Micronized L-Phenylalanine, Micronized, L-threonine, Micronized L-methionine)), Acidity regulators, anti-caking agents, thickeners, caffeine, sweetener, green tea leaf extract, soy lecithin, green coffee bean extract, Malic acid, natural and artificial flavors, citric acid, silicon dioxide, calcium silicate, gum blend ( cellulose gum, xanthan gum, carrageenan), Sucralose, Tartaric Acid, Lecithin, FD & C Yellow #5, FD &C Blue #2.

Nutritional Information


Nutrient Amount Per Serving (2 scoops, 9 g)
Energy 10 Kcal
Protein 0
Fat total 0
Carbohydrate  2 g
Sugars 0
Sodium 0
Amino blend (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 HCL, Micronized L-Phenylalanine, Micronized, L-threonine, Micronized L-methionine) 5 g
Caffeine 100 mg
Green Tea Extract 50 mg
Green Coffee Bean Extract 10 mg



ON amino energy is a performance-boosting supplement that provides the energy that is needed to sustain long training hours. The benefits of this unique formulation are as follows:

  • Great amino acid blend: Each serving (2 scoops, 9g) of ON Amino energy delivers 5g of amino acid blend, which consists of BCAA, glutamine, taurine, and other essential amino acids. It works as the best fuel for the muscles. Each amino acid in this formula has a unique function to perform, which ultimately enhances the training performance. The recovery rate increases immensely with this supplement. As a result, there is an overall increase in the training intensity without any concern about muscle soreness or stiffness. A steady source of amino acids that are micronized for the purpose of maximum absorption, helps repair the microscopic wear and tear of the muscles effectively. This also prevents muscle breakdown.
  • Better blood circulation: ON Amino supplements contain L-citrulline and L-arginine that increase the nitric oxide levels in the blood. This dilates the blood vessels to promote more blood circulation. Better blood circulation leads to enhanced delivery of nutrients to the muscles and a higher supply of oxygen. More oxygen supply prevents lactic acid build-up and hence causes reduced muscle soreness. Increased blood flow also helps the muscles to look fuller and much bigger.
  • Maximum focus: While intense training, the focus is essential to prevent injuries. Each serving (2 scoops, 9g) of this supplement provides 100mg caffeine, along with 50mg green tea extracts and 10 mg green coffee bean extract. All these ingredients are extremely effective for increasing attentiveness and focus, and hence ensure the best of the performance. Also, the natural extracts in this supplement boost metabolic functions, which further tend to raise the energy levels and endurance to withstand long hours of training conveniently.
  • Better muscle synthesis: Amino acids help trigger protein synthesis which is very important for new muscle fibers to develop. Therefore, ON Amino Energy brings more muscle gain in a shorter span of time. Amino acids are also easily absorbed by the muscles to prevent a breakdown during or after long training hours. Consequently, it not only helps to build muscle faster but also supports muscle retention.

When to Use

For best results, ON Amino energy can be consumed at any of the below times:

Early in the morning: It replenishes amino acid reserves in the body to help prevent catabolic muscle loss.

Pre-workout: 2-6 scoops of it can be taken 20 or 30 minutes before a workout, as it provides the body with the fuel that is needed.

Post-workout- For enhanced muscle recovery, consume 2-4 scoops immediately after training.

In between meals: Adding one serving in between the major meals nourishes the muscles and reduces breakdown.

How to Use

To make the best pre-workout and post-workout drink, 2 scoops of ON Amino Energy can be taken either with water or any other preferred beverage. Under proper supervision and as per individual requirement, it can be consumed upto 6 scoops per day.


  • Is it safe to use this supplement with caffeine?

No, it should not be used along with any caffeinated beverage as it already contains 100 mg caffeine per serving. Too much caffeine is not recommended in one go, however, the amount already presents in the supplement is completely safe for consumption amongst healthy individuals.

  • Will this supplement increase calorie intake?

ON amino energy is perfect for those who are on a restricted-calorie diet as it only provides only 10 kilocalories per serving i.e. 2 scoops or 9g.

  • Who should use this supplement?

This supplement is recommended for bodybuilders, athletes, and fitness enthusiasts who need to increase their amino acid intake in order to boost recovery and energy levels.

  • Why should I take ON Amino energy?

ON Amino energy packs a rich and easy-to-absorb amino acid source for faster muscle recovery. It also contains caffeine, green coffee bean extract, and green tea extract to increase energy levels and focus during each training session.

  • When should I use ON Amino Energy?

ON Amino energy works perfectly as a pre and post-workout supplement. When it is consumed pre-workout, it gets fuel to the muscles that are needed for efficient performance. Whereas consuming this supplement post-workout aids in faster recovery. An additional serving in between meals prevents muscle breakdown furthermore.

Additional information




Fruit fusion, grape cornetto, Green apple, Orange

Customers' review

Rated 2.45 out of 5 stars
22 reviews
5 stars 0 0 %
4 stars 6 27 %
3 stars 5 22 %
2 stars 4 18 %
1 star 7 31 %

22 reviews for Optimum Nutrition (ON) Amino Energy

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