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Description

Optimum Nutrition Amino Energy + Electrolytes combines a powerful blend of essential amino acids with naturally derived caffeine and key electrolytes to fuel your energy, focus, and recovery. Engineered for active New Zealanders who need an extra edge in the gym, on the field, or during a demanding workday, this versatile formula delivers clean energy without the heavy crash.

Key Benefits & Features

  • Essential Amino Acid Support: Delivers 5g of micronised free-form amino acids, including BCAAs, to support muscle recovery and lean tissue preservation.

  • Natural Energy & Focus: Contains 100mg of caffeine per serving sourced from green tea and green coffee bean extracts for a smooth, reliable performance boost.

  • Optimal Electrolyte Hydration: Formulated with essential minerals like sodium, potassium, and magnesium to replace lost electrolytes during sweat-heavy sessions.

  • Versatile & Customizable: Adjust your serving size to suit your energy needs—from a mild morning pick-me-up to an intense pre-workout kick.

  • Zero Sugar & Low Calorie: Designed to support lean fitness goals while delivering refreshing, high-quality flavour with zero guilt.

How It Works

Physical exertion depletes vital amino acid reserves and essential electrolytes through sweat, leading to premature fatigue and slowed muscle recovery. Optimum Nutrition Amino Energy + Electrolytes directly addresses these performance bottlenecks by supplying free-form essential amino acids that are rapidly absorbed to initiate muscle repair.

The inclusion of naturally sourced caffeine provides sharper mental focus and sustained stamina, while potassium, sodium, and magnesium work synergistically to maintain optimal fluid balance and cellular hydration. Whether used as an intra-workout intra-hydration drink or an afternoon energy booster, it keeps your body hydrated and your performance peak.

Recommended Use

Mix 2 scoops (approx. 9.5g) with 300–350ml of cold water. Consume 15–30 minutes prior to training for pre-workout energy, or sip throughout your workout to support hydration and amino acid delivery. For a daytime energy boost, take 2 scoops in the morning or early afternoon. Do not exceed 6 scoops within any 24-hour period.

Optimum Nutrition Amino Energy + Electrolytes Frequently Asked Questions

What is Optimum Nutrition Amino Energy + Electrolytes and how does it work?

Optimum Nutrition Essential Amino Energy + Electrolytes is a highly versatile, refreshing daily performance powder. It functions as an all-in-one matrix by combining a 5g micronised amino acid blend to support muscle conditioning and post-workout recovery, 100mg of caffeine from natural sources to sharpen mental focus, and a targeted electrolyte complex to help restore vital minerals lost during intense physical exertion or daily activity. 

What specific electrolytes are included, and why do they matter?

Each standard serving features an advanced 405mg to 440mg hydration blend consisting of Sodium Chloride, Potassium Chloride, and Magnesium Oxide. When mixed with water, these ionic elements support optimal cellular hydration and fluid balance. They help replace the critical mineral salts lost through sweat, ensuring smooth muscular function and physical endurance during long, high-sweat training sessions.

What are the exact macronutrient and caffeine metrics per serving?

Every standard 2-scoop serving (approx. 9.5g) delivers an exceptionally clean, macro-friendly profile that replaces sugary ready-to-drink energy cans:

Amino Acids: 5g of micronised aminos (including Essential Amino Acids and BCAAs like L-Leucine, L-Isoleucine, and L-Valine).

Natural Caffeine: 100mg derived cleanly from Green Tea Leaf and Green Coffee Bean extracts.

Macros: Only 5 to 10 calories, zero fat, zero carbohydrates, and completely sugar-free.

Can I adjust the serving size based on my personal energy needs?

Yes. One of the greatest features of this powder is its fully customizable dosing structure: 

The Afternoon Pick-Me-Up (2 Scoops): Delivers 100mg of caffeine and 5g of aminos—ideal for replacing an afternoon coffee or clearing a midday mental slump.

The Pre-Workout Performance Boost (4 Scoops): Supplies 200mg of caffeine and 10g of aminos to prime energy levels and focus before stepping onto the gym floor.

The Intense Training Matrix (6 Scoops): Provides a heavy-duty 300mg caffeine burst and 15g of aminos for your most grueling endurance or resistance sessions. Do not exceed 6 scoops within a 24-hour window.

Does this product contain Beta-Alanine, and will it cause a tingling sensation?

Yes, the amino blend includes premium Beta-Alanine (as CarnoSyn®), an amino acid that assists in buffering lactic acid accumulation within exercising muscle tissue to reduce physical fatigue. Because it features Beta-Alanine, first-time users or those sensitive to the ingredient may experience a mild, temporary tingling sensation on the skin (known as paresthesia). This is a completely harmless, natural physiological reaction that wears off quickly.

How many servings are in a standard tub?

A standard full-size container has a net weight of 285g and provides exactly 30 full servings based on the standard 2-scoop metric (60 individual scoops total per tub). This format delivers outstanding long-term value for daily fitness enthusiasts.

What are the top-rated customer flavors available at Sprint Fit?

Optimum Nutrition is world-famous for its crisp, light, and fruity flavor profiles that mix completely clear without any chemical aftertaste or chalky residue. High-selling consumer favorites across New Zealand include Strawberry Burst, Pineapple, Tangerine, Watermelon, and Sun-Kissed Citrus.

How quickly does Sprint Fit deliver Optimum Nutrition orders across NZ?

Sprint Fit provides premier, lightning-fast nationwide courier fulfillment. All orders completed before 3:45 pm, Monday through Friday, automatically qualify for immediate same-day warehouse dispatch. Most Auckland and North Island addresses receive their essentials overnight, while South Island destinations safely land within 1 to 2 business days.

Facts

Container Size: 285G
Serving Size: 2 Scoops (9.5g)
Servings Per Container: 30


 

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.

 

Optimum Nutrition Amino Energy + Electrolytes Reviews

4.7/5 based on 47 reviews
5 star
(38)
4 star
(8)
3 star
(1)
2 star
(0)
1 star
(0)

Overall Rating

9.4 /10

47 Ratings

Average Flavour Rating

9.3 /10

4 Flavours

Top Rated Flavour

10 /10

Watermelon


Showing 37–45 of 47 reviews

Jd

10/10 Tangerine

Great taste and definitely feel the effects of a bit more energy and feeling hydrated. Super fast shipping too!

Link to this review
Joe

8/10 Cranberry Lemonade

Tastes great. Wasn't sure about the available flavours initially, they're not the normal, but no need to worry. Nice taste and seems to do what any electrolyte drink would with the advantage of bcaa and caffeine

Link to this review
John

10/10 Tangerine

Just love the taste and so refreshing when doing work out at the gym. Fully endorse the product so yum!

Link to this review
Amino

9/10 Tangerine

Like the taste

Link to this review
Maria

10/10 Watermelon

10/10 Tangerine

Just finished this and have to say it tastes so refreshing, it was the perfect supplement giving me the energy I needed complete the Pinicles and get through my day to day workouts

Link to this review
Brydeebee

10/10 Tangerine

This product is great tasting, easily mixed, and just a great overall product. I intend on stocking up!

Link to this review
Jay

10/10 Watermelon

Tastes great, works well!

Link to this review
Faye

10/10 Watermelon

Great good product for an energy boost without being too intense. Watermelon is a great flavour, not too sweet like some watermelon flavours are.

Link to this review