Description
Optimum Nutrition Amino Energy combines a powerful blend of fast-absorbing free-form amino acids with natural energy energizers to keep you performing, recovering, and locked in throughout the day. Whether you need a clean morning pick-me-up, a pre-workout boost, or an intra-workout recovery fuel, this versatile formula delivers customisable energy with zero sugar. Designed for athletes, lifters, and active Kiwis, it satisfies sweet cravings while supporting daily muscle maintenance and focus.
Key Benefits & Features
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Customisable Energy Boost: Adjust your serving size to dial in your ideal level of mild, moderate, or intense energy and focus.
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Essential Amino Acid Delivery: Delivers 5g of free-form amino acids per serve to accelerate muscle recovery and reduce post-workout soreness.
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Natural Caffeine Sources: Powered by 100mg of caffeine per standard serve sourced from green tea and green coffee extracts for a smooth, crash-free surge.
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Zero Sugar & Low Calorie: Keeps your macros clean with only 10 calories and zero sugar per serving, making it perfect for any diet plan.
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Versatile Daily Use: Ideal as a morning coffee alternative, afternoon study/work enhancer, pre-workout energizer, or intra-workout drink.
How It Works
Optimum Nutrition Amino Energy works through a dual-action formula combining essential amino acids (EAAs) and micronized free-form aminos—including BCAAs—with natural caffeine sources. The rapid-absorption amino blend bypasses complex digestive breakdown, entering the bloodstream quickly to help halt muscle tissue breakdown during exercise and stimulate post-workout recovery.
Alongside muscle support, the natural caffeine matrix from green tea and green coffee extracts gently stimulates the central nervous system. This enhances alertness, sharpens cognitive focus, and boosts endurance without the harsh jitters or heavy crashes associated with high-stimulant energy drinks.
Recommended Use
Mix 2 scoops (approx. 9g) into 300ml–350ml of cold water in a Sprint Fit shaker. For an intra- or post-workout amino boost, consume 1 serving daily. For pre-workout energy, take 2–3 servings (4–6 scoops) 20–30 minutes prior to training. Do not exceed 6 scoops within any 24-hour period or 4 scoops in a single serving.
Optimum Nutrition Amino Energy Frequently Asked Questions
What is inside a standard serving of Optimum Nutrition Amino Energy?
Each standard 2-scoop serving (9g) provides a lean, dual-action formula for performance and mental focus:
Amino Blend: 5g of micronized amino acids (including Branched-Chain Amino Acids like L-Leucine, L-Isoleucine, and L-Valine) to support muscle retention and post-workout recovery.
Energy Blend: 100mg of naturally sourced caffeine derived from green tea and green coffee bean extracts.
Macros: Only 10 calories per serving, 0g of sugar, and zero total carbohydrates.
How does Amino Energy compare to a standard pre-workout?
The main advantage of Essential Amino Energy is its highly customizable serving size. Traditional pre-workouts provide a static, high-stimulant dose of caffeine (often 200mg–350mg). Amino Energy allows you to scale up or down: use 2 scoops for a smooth afternoon office pick-me-up, or mix 4 to 6 scoops for a concentrated, pump-boosting pre-workout fuel.
Why do I feel a slight tingling sensation after taking Amino Energy?
That slight tingling or itching sensation on your skin is called paresthesia and is a completely normal, harmless side effect caused by Beta-Alanine. Beta-alanine is a premium amino acid included in the formula to help buffer lactic acid accumulation in your muscle tissue, allowing you to train harder for longer periods before hitting fatigue.
How many servings are in the 270g and 585g container sizes? Based on the standard 2-scoop (9g) serving size, the yields available at Sprint Fit are:
270g Tub: Provides 30 full servings.
585g Tub: Provides a massive 65 full servings (offering the absolute best overall long-term value for daily users).
Can I take Optimum Nutrition Amino Energy daily?
Yes, it is perfectly formulated for daily consumption by healthy adults. It functions excellently as a morning coffee alternative, a midday mental focus booster, or an intra-workout drink. Just be mindful of your overall daily caffeine tolerance thresholds and avoid drinking it late in the evening to protect your sleep quality.
What are the best-selling Amino Energy flavors available in NZ?
Optimum Nutrition is world-famous for making refreshing, fruit-juice-style flavors that mix flawlessly without leaving a chalky residue. Top-rated customer choices across New Zealand include Fruit Fusion, Blue Raspberry, Watermelon, Pineapple, and Strawberry Lime.
Is this product gluten-free and safe for competitive athletes?
While Amino Energy is formulated using high-quality, gluten-free ingredients, it is manufactured on equipment that processes dairy and soy, so individuals with extreme celiac disease should exercise caution. For drug-tested competitive sports players in NZ, this product line is tested for banned substances to ensure total purity.
How fast is delivery for Amino Energy within New Zealand?
Sprint Fit provides lightning-fast nationwide shipping. Orders finalized before 3:45 pm, Monday through Friday, automatically qualify for same-day warehouse dispatch. Most Auckland and North Island addresses receive their delivery overnight, while South Island destinations generally take 1 to 2 business days.
Facts
Available Sizes:
Container Size: 270g
Serving Size: 2 Scoop (9g)
Servings Per Container: 30
Container Size: 585g
Serving Size: 2 Scoop (9g)
Servings Per Container: 65
Directions:
For An Amino Boost: Consumer 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.
Please Note: Nutritional Information is to be used as a guide only, actual values may differ between flavours and sizes and when formulations are modified or updated by the manufacturer.
Contact us if you have any questions regarding this products ingredients.
Shipping
All orders $60 and over receive Free* Shipping Nationwide
Final pick up each day is at 3.45pm Monday to Friday.
Estimated Delivery Times*:
Auckland and North Island – Overnight
*During sale periods, please allow an additional 1–2 business days for dispatch due to high order volumes.
However many Auckland orders will be delivered the same day depending on what time the order is placed
South Island – Overnight (For larger parcels allow 2 business days)
Same Day/Evening Express Shipping upgrade available at checkout for select suburbs*
Click here to view the full Shipping Details and Returns Policy.
Often Bought Together
Optimum Nutrition Amino Energy Reviews
Showing 46–54 of 214 reviews
Blueberry Mojito
Refreshing drink to have with you any time of the day . I only use one spoonful and find it a lovely boost whether walking driving of at the gym.
Link to this reviewJuicy Strawberry
My absolute favourite aminos to have before, during or after a session to give that little bit extra WHILE tasting delicious!
Link to this reviewGrape
Excellent product, great for my workouts and bike riding.
Link to this reviewGrape
Classified as disabled and not currently moving body massively, I only take 1 third what others normaly would. Still this product adds energy to be able to do more than otherwise could or would ! Though grape is good, would like to try different flavour too next time
Link to this reviewGrape
Green Apple
It’s great !
Link to this reviewGrape
Love this for days I don't need a much energy as a pre workout, delicious flavour
Link to this reviewFruit Fusion
Love this stuff. Fruit fusion my favourite. Makes you feel buzzy but not itchy. It's great before and after a work out. Highly recommend.
Link to this reviewGrape
Really affordable with the larger tub especially being we all use Aminos in our whanau (Myself, hubby & our 4 sons). Super quick delivery! Order one day, you're using it the next!
Link to this reviewJuicy Strawberry
Awesome product, amazing flavour!
Link to this review
