Optimum Nutrition Amino Energy Sparkling RTD

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Optimum Nutrition Amino Energy Sparkling RTD is a combination of 5 grams of Amino Acids, 100 Milligrams Of Caffeine, and Electrolytes to support performance, endurance and active living.

Optimum Nutrition Amino Energy Sparkling RTD features:

  • Supports everyday performance and goals.
  • Replaces electrolytes lost in sweat during exercise.
  • Supports endurance.
  • Contains 100mg of caffeine from natural sources.
  • Mix it up is an assortedment of all flavours currently in stock

Container Size: 6x 355ml
Serving Size: 1 Can
Servings Per Container: 6

Container Size: 12x 355ml
Serving Size: 1 Can
Servings Per Container: 12

Mix it Up 6x 355ml cans a variity of what is in stock at the time of ordering


All orders are Free Shipping Nationwide:

CourierPost Express – Tracking information will be emailed to you once your order has been collected from our warehouse.  

Collection 4 times a day, final pick each day at 3.45pm Monday to Friday. We will process and pack your parcel within minutes of receiving your order.

Estimated Delivery Times:

Auckland – Overnight (However many Auckland orders will be delivered the same day depending on what time the order is placed)

North Island - Overnight

South Island – Overnight (for larger parcels allow 2 business days)
*Express South Island overnight delivery service available during check out.  These orders are transported by air rather than Courier Post trucks.

Rural - +1 business day from the above times

CourierPost does not operate on weekends or public holidays. 

Click here to view the full Shipping Details and Returns Policy.


Optimum Nutrition Amino Energy Sparkling Rtd Reviews

4.8/5 based on 22 customer reviews

Overall Rating

9.6 /10

22 Ratings

Average Flavour Rating

9.1 /10

11 Flavours

Top Rated Flavour

10 /10

Juicy Strawberry

  • 3.5/5

    8/10 Green Apple

    8/10 Mix It Up

    Had the mixed box, but feel the flavor is slight chemical-ish than the usual tub.
  • 5/5

    10/10 Juicy Strawberry

    Great pre-workout and /or energy boost. one serving in the mornings keeps me going. best energy drink for your buck.
  • 5/5

    5/10 Blue Lemonade

    10/10 Green Apple

    10/10 Grape

    10/10 Juicy Strawberry

    10/10 Mango Pineapple Limeade

    10/10 Watermelon

    Omg my absolute fav love having these straight after a killer workout sometimes before as well but love love these so much
  • 5/5

    10/10 Green Apple

    10/10 Juicy Strawberry

    Love this product pre or post training!
  • 5/5

    10/10 Juicy Strawberry

    We have tried nearly all flavors now, but they are all great! The product is great and we have it either pre or post workout.
  • 5/5

    10/10 Green Apple

    10/10 Blue Lemonade

    10/10 Watermelon

    Fast service. Great deals. Always go to sprint fit first
  • 4/5

    10/10 Grape

    2/10 Green Apple

    10/10 Watermelon

    10/10 Juicy Strawberry

    2/10 Mango Pineapple Limeade

    Strawberry, Grape and watermelon for the win ! Super sweet they personally don’t give me energy but perfect summer drink after a sweaty work out
  • 4.5/5

    9/10 Mix It Up

    Bought these after using a sample pack i was given else wear. The flavours are pretty amazing/intense considering it's not full of sugar. Will be buying the powdered form, as I do love these but i don't always want a carbonated drink.
  • 5/5

    10/10 Grape

    9/10 Green Apple

    9/10 Watermelon

    8/10 Juicy Strawberry

    7/10 Blue Lemonade

    These drinks are absolutely delicious! My top 3 flavours would be 1. Grape (tastes like grape and then when you swallow, a big burst of Hubba Bubba grape flavour explodes in your throat! So good!) 2. Green Apple - I’m always a fan of apple drinks! 3. Watermelon I started with the Mixed box so I could try all of them and have since purchased 2 flavours - love them!
  • 5/5

    10/10 Mix It Up

    LOVE THESE DRINKS! Faves are definitely strawberry, grape, watermelon and apple. But the others aren’t bad either! A mix pack is the way to go if you can’t decide which flavour to go with.

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