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2
Days
10
Hours
49
Mins
48
Secs

Description

Elevate your intra-workout performance and maintain optimal hydration with Optimum Nutrition BCAA Boost. Designed for athletes, gym-goers, and fitness enthusiasts who train with intensity, this advanced intra-workout powder delivers an impressive 8g of Branched Chain Amino Acids (BCAAs) alongside vital electrolytes to prevent muscle breakdown and sustain peak muscular endurance without sugar or extra calories.

Key Benefits & Features

  • High-Dose Amino Support: Supplies 8g of pure BCAAs in the proven 2:1:1 ratio (Leucine, Isoleucine, Valine) to stimulate muscle protein synthesis and reduce muscle soreness.

  • Intra-Workout Hydration: Enhanced with an optimal electrolyte blend to replenish essential minerals lost through sweat and prevent cramping during intense sessions.

  • Muscular Endurance & Blood Flow: Formulated with 1g of L-Citrulline per serve to support nitric oxide production and nutrient delivery to working muscles.

  • Zero Sugar & Low Calorie: Clean, guilt-free formula that fits seamlessly into lean muscle building, fat loss, or calorie-controlled dietary plans.

  • Crisp & Refreshing Flavours: Light, thirst-quenching taste profile designed for easy sipping throughout your hardest workouts.

How It Works

During high-intensity training, your body rapidly depletes glycogen stores and begins breaking down muscle tissue for energy. Optimum Nutrition BCAA Boost supplies a rapid stream of free-form Branched Chain Amino Acids directly to your working muscle fibres. Leucine acts as the primary trigger for muscle protein synthesis, while Isoleucine and Valine assist in cellular energy metabolism and tissue repair, significantly reducing exercise-induced muscle breakdown.

To keep your physical output at its peak, the formula incorporates key electrolytes alongside L-Citrulline. Electrolytes maintain fluid balance, cellular hydration, and optimal muscle contraction, while L-Citrulline promotes healthy blood circulation. This comprehensive combination keeps you training harder for longer and accelerates your recovery curve before you even leave the gym.

Recommended Use

Mix 1 level scoop (approx. 13g) with 400–500ml of cold water in a shaker cup. Shake well for 20–30 seconds until fully dissolved.

  • Intra-Workout: Sip continuously throughout your workout to sustain muscular endurance and maintain cellular hydration.

  • Anytime Recovery: Enjoy between meals or during long physical workdays to boost your daily amino acid intake and stay refreshed.

Facts

Container Size: 390G
Serving Size: 1 Scoop (13g)  
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 Bcaa Boost Reviews

4.7/5 based on 12 reviews
5 star
(9)
4 star
(3)
3 star
(0)
2 star
(0)
1 star
(0)

Overall Rating

9.4 /10

12 Ratings

Average Flavour Rating

8.5 /10

3 Flavours

Top Rated Flavour

10 /10

Watermelon Cooler Flavor


Showing 1–9 of 12 reviews

Jodi

10/10 Mango Peach Wave Flavor

Been using this for 12 months its super tasty, does the job helps alot with training. Love the falvour

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Annette

10/10 Mango Peach Wave Flavor

Was recommended by masseur to use this product as I had aching legs continually. Have already had relief and haven't finished 1st container

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Maria

3/10 Grape Burst Flavor

I had previously tried a friend’s Watermelon flavour and decided to buy myself the Grape. Initially I made it with 300 ml cold water and the after taste was horrible. I am now making it with 400ml of water and it is tolerable. The product works really well though to support my fasting. I would buy again for the benefits however not this flavour.

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Celina

8/10 Watermelon Cooler Flavor

The flavour is yum and easy to drink. I would recommend :)

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Kayelana

10/10 Watermelon Cooler Flavor

3/10 Grape Burst Flavor

All time favourite BCAA product, have bought it multiole times over the past year. LOVE the watermelon flavour, very refreshing during an intense workout. Not sold on the grape flavour, and yet to try the mango one!

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Sarah

10/10 Watermelon Cooler Flavor

My favourite BCAA. Definitely gives you a boost and isn't too sweet. Love it!

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Amy

10/10 Watermelon Cooler Flavor

This BCAA is my favourite, such a red freaking flavour and not too sweet like some others. Definitely a must when working out.

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Gives

7/10 Watermelon Cooler Flavor

Definitely gives me that extra boost I need during a workout but isn’t the tastiest BCAA’s I’ve tried , will go back to the ON amino energy next time as it is a much tastier drink during a workout and gives me the same boost as this one

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Brigid

10/10 Grape Burst Flavor

I’ve found my muscles recover a lot quicker when using this

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