Supplement Stacks

Lean Muscle WPI Stack

Want lean muscle without the bloat? This stack pairs Hydro Iso, Pure Glutamine and Re Fuel BCAA for fast absorbing protein and faster recovery.

Price range: $299.80 through $491.40
Price range: $239.84 through $393.12

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Overview

Lean Muscle WPI Stack

Build lean muscle. Recover faster. Stay strong.

Fuel growth, improve endurance, and bounce back quicker — with premium fast-absorbing WPI, BCAAs, and glutamine. This high-performance trio helps you push harder and recover smarter.

No fillers. No fluff. Just results.

The Lean Muscle WPI Stack from Next Generation includes HYDRO ISO, BCAA RE-FUEL, and PURE GLUTAMINE to support lean muscle, with clear product info and flavors on the packaging.

Why do you need Lean Muscle WPI Stack?

You’re putting in the work — but the lean gains aren’t showing. Recovery is dragging. Energy crashes. And your current stack? Either bloating you out or tastes like regret.

Sound familiar?

The Next Gen Lean Muscle WPI Stack is a clean, performance-driven system designed to:

  • Build lean muscle – with ultra-absorbable Hydro ISO WPI for real muscle fuel
  • Maintain strength and size – whether you’re cutting or lifting heavy
  • Speed up recovery – with Glutamine and BCAAs to bounce back quicker
  • Keep it clean – no fillers, no junk, no artificial nasties

What’s inside and why it matters

Right-side view of Next Generation Supplements Hydro-Iso WPI Protein Powder 1.5kg Packaging

Hydro ISO (Whey Protein Isolate)

  • Ultra-clean WPI for real lean muscle gains
  • Fast absorption with zero bloat
  • Smooth taste – no fake flavours, no fillers

BCAAs

  • Helps preserve muscle during fasted or high-intensity sessions
  • Reduces muscle soreness for faster bounce-back
  • Boosts hydration and stamina mid-workout
Right-side view of Next Generation Supplements Pure Glutamine 500g packaging

Glutamine

  • Supports muscle repair under training stress
  • Boosts immunity and gut health
  • Essential for recovery during calorie deficits or heavy volume phases

HOW TO USE IT

Hydro ISO

Morning:

Quick, clean protein to start your day strong.
Mix with water or blend into oats for a lean breakfast boost.

Post-workout:

You’ve trained hard — now fuel recovery.
Take 25g of Hydro ISO within 30 minutes of finishing your workout to trigger lean muscle repair.

BCAAs

Intra-Workout

Sip throughout your session to stay sharp, hydrated, and prevent muscle breakdown.


Also helps reduce cramping and delay fatigue mid-training.

Glutamine

Post-Workout:

Take after training to support muscle recovery and reduce soreness.

Bedtime:

Take before bed to support overnight recovery and help preserve muscle while you sleep.

Suitable for

Why should you try Next Generation Supplements Lean Muscle WPI Stack?

  • Athletes & Lifters chasing lean muscle and clean recovery
  • Anyone cutting, recomping, or training fasted
  • Time-poor professionals who still train hard
  • Ingredient-conscious users looking for ultra-clean formulas
  • High-achievers who demand results — and no excuses

Frequently Asked Questions

Do you have some questions about Lean Muscle WPI Stack?

Optimise your Lean Muscle Stack WPI:

BCAA Refuel
Sip during workouts for endurance, hydration, and muscle protection.

Hydro ISO (WPI)
Take post-workout to hit your protein window and support lean gains.

Pure Glutamine
Use after training and before bed to speed recovery and protect muscle.

Quick Tips:

  • Use daily even on rest days
  • Pair with clean meals and consistent training
  • Don’t wing it. Dose with purpose. Train with intent

Yes. This stack is designed to support lean growth, not bulk. It’s low in carbs and sugar, macro-friendly, and helps fuel muscle while keeping recovery dialed in.

Absolutely. Whether you’re just starting out or fine-tuning your performance, these products are clean, effective, and easy to use.

We keep it real. Our flavours taste like the label says (e.g. choc mint = choc mint), without the chemical aftertaste you get from low-grade formulas.

Yes — all products in the Lean Muscle Stack are gluten-free and made with premium, clean ingredients.

Yes. These three are foundational — cleanly formulated to play well with others. Whether you add creatine, pre-workout or vitamins, this stack won’t interfere.

Tailored Recommendations

Stacks that work wonders depending on your needs and goals.

Why Us?

Why should you choose Next Generation Supplements Lean Muscle Stack?

At Next Generation Supplements, we are committed to providing products that combine great taste with exceptional nutrition.

Our products stand out for its high-quality ingredients, superior taste, and effectiveness in supporting your fitness journey.

Whether you’re aiming to build muscle, recover faster, or simply add more protein to your diet, Lean Muscle Stack is the perfect choice.

The Best Lean Muscle Stack

What makes Next Generation Supplements Lean Muscle stack different?

Proudly Australian

Our commitment to quality starts with being 100% Australian owned, made, and packaged. Not all protein powders are created equal, and we ensure ours stands out by sourcing the highest quality ingredients. By choosing Australian-made protein powder, you’re opting for superior bio-availability, flavor, and solubility.

Pure and Natural

Our protein powder is as real as it gets – grass-fed, chemical-free, and hormone-free. We source from premier producers like Murray Goulburn in Victoria, Australia, and Fonterra in New Zealand, the makers of Devondale Milk, ensuring top-tier quality.

Exceptional Standards

We know where our ingredients come from, and we believe in the efficacy of our protein powders. Supporting local producers not only guarantees a higher grade product but also supports sustainable farming practices. Experience the difference with our premium Australian protein powder.

Read more: The difference between Australian and imported (U.S.A) protein powders

Directions & Ingredients

Directions & Ingredients

Directions

Place 2 scoops of Hydro-Iso into a shaker with approximately 200ml of water or milk and shake until fully dissolved.

Ingredients

Chocolate
Whey Protein Isolate, Whey Protein Hydrolysate (16%), Cocoa Powder, Flavour, Salt, Sucralose

Vanilla
Whey Protein Isolate, Whey Protein Hydrolysate (16%), Flavour, Salt, Sucralose

Iced Coffee
Whey Protein Isolate, Whey Protein Hydrolysate (16%), Flavours, Instant Coffee (2.5%), Sucralose

Nutritional Info

Serving size: 28g

CHOCOLATE
  Qty
per serve
Qty
per 100g
Energy 467kj
(112 cal)
 
Protein 25g  
Fat, Total 0.5g  
- Saturated 0.3g  
Carbohydrates 0.9g  
- Sugars 0.6g  
Dietary Fibre 0.4g  
Sodium 140mg  

Serving size: 28g

VANILLA
  Qty
per serve
Qty
per 100g
Energy 466kj
(111 cal)
 
Protein 24.3g  
Fat, Total 0.4g  
- Saturated 0.2g  
Carbohydrates 0.7g  
- Sugars 0.5g  
Gluten    
Dietary Fibre    
Sodium 140mg  

Serving size: 28g

ICED COFFEE
  Qty
per serve
Qty
per 100g
Energy 428kj
(102 cal)
 
Protein 23g  
Fat, Total 0.3g  
- Saturated 0.2g  
Carbohydrates 1.3g  
- Sugars 0.8g  
Gluten    
Dietary Fibre    
Sodium 140mg  

 

Directions

Mix 2 teaspoons of Re-Fuel BCAAs into about 500ml of cold water.

Wait 5-6 minutes for the BCAAs to completely dissolve before drinking.

Ingredients

L-Leucine, L-Glutamine, L-Isoleucine, L-Valine, Flavour, Inulin (Soluble Fibre), Food Acid (330), Intense Sweetener (954, 952), Potassium Phosphate, Magnesium Carbonate, Colour (124), Pyridoxine Hydrochloride (Vitamin B6)

Nutritional Info

Serving size: 8g (2 teaspoons)

BERRY BLAST
  Qty
per serve
Qty
per 100g
Energy 27kj
(6 cal)
215kj
(51 cal)
Protein Less than 0.1g Less than 0.1g
Fat, Total Less than 0.1g Less than 0.1g
- Saturated Less than 0.1g Less than 0.1g
Carbohydrate 1.1g 9.1g
- Sugars 1.1g 9.1g
Dietary Fibre 0.8g 6.2g
Sodium Less than 0.1mg 3mg
Potassium 13mg 104mg
Magnesium 9.0mg (3% RDI) 72.1mg
Phosphorous 10.3mg (1% RDI) 82.1mg
Glutamine 2.4g 18.9g
Essential Amino Acids
Isoleucine 1.7g 13.2g
Leucine 3.8g 30.5g
Valine 1.7g 13.2g
Vitamin B6 as Pyridoxine HDCL 1.1g 8.8g

 

Serving size: 8g (2 teaspoons)

SOUR GRAPE
  Qty
per serve
Qty
per 100g
Energy 27kj
(6 cal)
215kj
(51 cal)
Protein Less than 0.1g Less than 0.1g
Fat, Total Less than 0.1g Less than 0.1g
- Saturated Less than 0.1g Less than 0.1g
Carbohydrate 1.1g 9.2g
- Sugars 1.1g 9.1g
Dietary Fibre 0.8g 6.2g
Sodium 14mg 110mg
Potassium 13mg 104mg
Magnesium 9.0mg (3% RDI) 72.1mg
Phosphorous 10.3mg (1% RDI) 82.1mg
Glutamine 2.4g 18.9g
Essential Amino Acids
Isoleucine 1.7g 13.2g
Leucine 3.8g 30.5g
Valine 1.7g 13.2g
Vitamin B6 as Pyridoxine HDCL 1.1g 8.8g

Directions

Pure Glutamine can be taken with water or mixed with protein.

Inactive Individuals:

  • Take 2-4 grams per day upon waking up.

Active Individuals:

  • Weight up to 75kg: Take 5 grams (1 teaspoon) per day.
  • Weight over 75kg: Take 10 grams (2 teaspoons) per day.

For Enhanced Results:

  • Take 5 grams 30-45 minutes before training.
  • Take 5 grams immediately after training.

Ingredients

99.9% L-Glutamine

Nutritional Info

Servings per package: 100
Serving size: 2g (1/2 teaspoon)

PURE GLUTAMINE
  Qty
per serve
Qty
per 100g
Energy 65.6kj
(16 cal)
1640kj
(392 cal)
Protein 0.0g 0.0g
- L-Glutamine
(amino acid)
5g 100g
Fat 0g 0g
Carbohydrate 0 0g
Sugars 0g 0g
Sodium Less than 0.1mg Less than 0.1mg
Potassium Less than 0.1mg Less than 0.1mg
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