Product Description
Every training day, you're juggling a cocktail of pre-workouts and recovery mixes. Some for before your workout, some for after. Do you pack them all in your bag? If you're wondering if there's a better way, ESSENTIAL AMIN.O. ENERGY® is that better way.
This formula from Optimum Nutrition puts 5g of essential amino acids and 100mg of natural caffeine in one product, giving you muscle recovery support and clean energy whenever you need it most.
The caffeine fires up your nervous system for energy and mental focus, while the amino acids go straight to your muscles to prevent breakdown and accelerate recovery—all from a single scoop.
Pre and Post Workout Support
Amino acids are the building blocks of protein that prevent muscle breakdown during training. When combined with caffeine, it keeps you energized while protecting your hard-earned muscle tissue. The green tea and coffee bean sources provide natural caffeine that your body processes more smoothly than synthetic alternatives.
Anytime Energy That Actually Feels Good – Unlike synthetic pre-workouts that spike and crash, the natural caffeine blend gives you smooth, sustained energy whether you're hitting the gym at 5am or need an afternoon training boost. No jitters, no anxiety—just focused energy.
Recovery Support Built In – The 5g amino acid matrix includes all the essential building blocks your muscles need to repair and rebuild. Take it pre-workout for energy and endurance, or post-workout to jumpstart recovery. Your muscles get what they need, when they need it.
Zero Sugar, Maximum Flexibility – With 0g sugar and only 5-10 calories per serving, you control the dosage. One scoop for a gentle lift, two scoops for a solid pre-workout boost (still only 100mg caffeine), or adjust based on your training intensity and caffeine tolerance.
How to Use Essential Amino
Add two scoops (9 grams) into 10-12 fl oz of water, juice, or other beverage and mix for 30 seconds until dissolved. Take for that morning workout or pre-weekend group run for something that actually supports your training.
Athletes across all sports—from runners to CrossFit competitors—rely on Amino Energy because it bridges the gap between a basic BCAA and an intense pre-workout. It's the Goldilocks formula: enough caffeine to matter, enough aminos to work.
Supplement Facts
Concord Grape / 30 Serving Tub
Serving Size: About 2 Scoops
Serving Per Container: 30
| Amount Per Serving | ||
|---|---|---|
| % Daily Value* | ||
| Calories 5 | ** | |
| Total Carbohydrate 1g | ** | |
| Sodium 10mg | ** | |
| 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. Your daily values may be higher or lower depending on your calorie needs.
** Daily Value (DV) not established
Always Happy Promise: Don't like a product? Tell us within 30 days of receipt and we'll make it right and make you happy. Here at The Feed, we want you to love your experience and the sports nutrition products you purchase. If, for any reason, you are not satisfied with your nutrition specific purchase, tell us.
We do not accept returns on food items that have been opened, but we will issue a store credit if you are unsatisfied. In the event of a return, you must first contact us before sending back a return shipment.
Consumable products over $40 receive a 50% store credit. This includes specialty nutrition products such as ketones or supplements/vitamins.
Optimum Nutrition Essential Amino Energy FAQ's
Everything you need to know before getting started.
Take 2 scoops mixed in 10–12 oz of water about 20–30 minutes before training for the best pre-workout effect. It can also be used during longer training sessions as a mid-session energy and amino top-up, or any time of day when you need a clean energy boost. The 100mg caffeine dose is moderate enough to use flexibly without disrupting sleep if taken earlier in the day.
Each 2-scoop serving contains 100mg of caffeine from natural sources — green tea and coffee bean. That's roughly equivalent to a moderate cup of coffee. It's enough to provide a noticeable energy and focus boost without the aggressive overstimulation that higher-dose pre-workouts can cause. Sensitive to caffeine? Start with 1 scoop and scale up.
Amino acids are the building blocks your muscles use to repair and rebuild after training. The 5g per serving includes essential amino acids — the ones your body can't produce on its own and must get from food or supplements. Taking them around your workout gives your muscles the raw materials to start the recovery process while you're still training and immediately after you finish.
No — and that's one of its strengths. With 100mg of natural caffeine per serving, it's a moderate-stimulant pre-workout designed to elevate energy and focus without the intensity of high-dose, stimulant-heavy formulas. It's ideal for athletes who want real pre-workout support without the jitteriness, crash, or sleep disruption that heavier products can cause.
No. Essential Amino Energy is made without aspartame and contains 0g of sugar, making it a clean-label choice for athletes who want a great-tasting energy supplement without artificial sweeteners they prefer to avoid.