Halloween Sale

Up to 76% off*

Extra 30% off selected products – already applied at checkout

*Up to 76% off RRP on selected products, inclusive of the extra 30% off discount. Excludes IsoWhey Clinical Nutrition Diabetic Formula. Ends 1 November 2026, 11:59pm AEDT. Excludes subscriptions. Cannot be combined with other offers. T&Cs apply.

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IsoWhey Optimum VLCD French Vanilla 18x55g — rapid weight loss sachets with VERISOL® collagenIsoWhey Optimum VLCD French Vanilla 18x55g lifestyle shot
-12%
IsoWhey Optimum VLCD Shake French Vanilla 18x55g
Regular price $49.95 AUD Sale price$43.99 AUD
Extra 30% off
Isowhey GLP-1 Support Shake Latte 480gIsoWhey GLP-1 Support Shake Latte 480g
IsoWhey GLP-1 Support Shake Latte 480g
Sale price$24.99 AUD
Extra 30% off
Isowhey GLP-1 Support Shake Banana 480gIsoWhey GLP-1 Support Shake Banana 480g
IsoWhey GLP-1 Support Shake Banana 480g
Sale price$24.99 AUD
Extra 30% off
Isowhey GLP-1 Support Diabetic Formula Vanilla 640gIsoWhey GLP-1 Support Diabetic Formula Vanilla 640g - Mar 2027 Expiry
-30%
IsoWhey GLP-1 Support Diabetic Formula Vanilla 640g - Mar 2027 Expiry
Regular price $54.95 AUD Sale price$38.50 AUD
Extra 30% off
IsoWhey GLP-1 Support Plant-Based Nutrition Shake Vanilla 550gIsoWhey GLP-1 Support Plant-Based Nutrition Shake Vanilla 550g
IsoWhey GLP-1 Support Plant-Based Nutrition Shake Vanilla 550g
Sale price$27.00 AUD
Extra 30% off
IsoWhey Clinical Nutrition Diabetic Formula Chocolate 640gIsoWhey Clinical Nutrition Diabetic Formula Chocolate 640g
-11%
IsoWhey Clinical Nutrition Diabetic Formula Chocolate 640g
Regular price $54.95 AUD Sale price$48.99 AUD
IsoWhey Complete Ivory Coast Chocolate Shake 672g — high-protein meal replacement shake jarIsoWhey Complete Ivory Coast Chocolate 672g product shot on white background
-7%
IsoWhey Complete Ivory Coast Chocolate 672g
Regular price $53.95 AUD Sale price$49.99 AUD
Extra 30% off
IsoWhey Complete Madagascan Vanilla Shake 672g — high-protein meal replacement shake jarIsoWhey Complete Madagascan Vanilla 672g product shot on white background
-7%
IsoWhey Complete Madagascan Vanilla 672g
Regular price $53.95 AUD Sale price$49.99 AUD
Extra 30% off
IsoWhey Clinical Nutrition Kids Complete Chocolate 600gIsoWhey Clinical Nutrition Kids Complete Chocolate 600g
-7%
IsoWhey Clinical Nutrition Kids Complete Chocolate 600g
Regular price $39.95 AUD Sale price$36.99 AUD
Extra 30% off
IsoWhey Complete Classic Coffee Shake 672g — high-protein meal replacement shake jarIsoWhey Complete Classic Coffee 672g product shot on white background
-7%
IsoWhey Complete Classic Coffee Shake 672g
Regular price $53.95 AUD Sale price$49.99 AUD
Extra 30% off
IsoWhey Shake for Men Chocolate 840g — high-protein meal replacement for weight lossIsoWhey Shake for Men Chocolate 840g lifestyle shot
IsoWhey Shake for Men Chocolate 840g
Sale price$39.99 AUD
Extra 30% off
IsoWhey Complete Strawberry Smoothie Shake 672g — high-protein meal replacement shake jarIsoWhey Complete Strawberry Smoothie 672g product shot on white background
-7%
IsoWhey Complete Strawberry Smoothie 672g
Regular price $53.95 AUD Sale price$49.99 AUD
Extra 30% off
IsoWhey Shake for Men Vanilla 840g — high-protein meal replacement for weight lossIsoWhey Shake for Men Vanilla 840g lifestyle shot
IsoWhey Shake for Men Vanilla 840g
Sale price$39.99 AUD
Extra 30% off
IsoWhey Complete Banana Smoothie Shake 672g — high-protein meal replacement shake jarIsoWhey Complete Banana Smoothie 672g product shot on white background
-7%
Isowhey Complete Banana Smoothie Shake 672g
Regular price $53.95 AUD Sale price$49.99 AUD
Extra 30% off
IsoWhey Clinical Nutrition Kids Complete Vanilla 600gIsoWhey Clinical Nutrition Kids Complete Vanilla 600g
-7%
IsoWhey Clinical Nutrition Kids Complete Vanilla 600g
Regular price $39.95 AUD Sale price$36.99 AUD
Extra 30% off
IsoWhey Clear Lemon Lime 550g - Expiry Mar 2027IsoWhey Clear Lemon Lime 550g - Expiry Mar 2027
-48%
IsoWhey Clear Lemon Lime 550g - Expiry Mar 2027
Regular price $53.95 AUD Sale price$28.00 AUD
Extra 30% off
IsoWhey Complete Salted Caramel Shake 672g — high-protein meal replacement shake jarIsoWhey Complete Salted Caramel 672g product shot on white background
-7%
IsoWhey Complete Salted Caramel 672g
Regular price $53.95 AUD Sale price$49.99 AUD
Extra 30% off
IsoWhey Clear Raspberry Cranberry 550gIsoWhey Clear Raspberry Cranberry 550g
-48%
IsoWhey Clear Raspberry Cranberry 550g - Expiry Mar 2027
Regular price $53.95 AUD Sale price$28.00 AUD
Extra 30% off
IsoWhey GLP-1 Nutrition Shake Rich Chocolate Flavour 480gIsoWhey GLP-1 Nutrition Shake Rich Chocolate Flavour 480g
IsoWhey GLP-1 Nutrition Shake Rich Chocolate Flavour 480g
Sale price$24.99 AUD
Extra 30% off
IsoWhey GLP-1 Nutrition Shake Vanilla Ice Cream Flavour 480gIsoWhey GLP-1 Nutrition Shake Vanilla Ice Cream Flavour 480g
IsoWhey GLP-1 Nutrition Shake Vanilla Ice Cream Flavour 480g
Sale price$24.99 AUD
Extra 30% off
IsoWhey GLP-1 Support Plant-Based Nutrition Shake Chocolate 550gIsoWhey GLP-1 Support Plant-Based Nutrition Shake Chocolate 550g
IsoWhey GLP-1 Support Plant-Based Nutrition Shake Chocolate 550g
Sale price$27.00 AUD
Extra 30% off
IsoWhey Optimum VLCD Chocolate Fudge 18x55g — rapid weight loss sachets with VERISOL® collagenIsoWhey Optimum VLCD Shake Chocolate Fudge 18x55g with a glass of shake
-12%
IsoWhey Optimum VLCD Shake Chocolate Fudge 18x55g
Regular price $49.95 AUD Sale price$43.99 AUD
Extra 30% off
IsoWhey Optimum VLCD Espresso 18x55g — rapid weight loss sachets with VERISOL® collagenIsoWhey Optimum VLCD Espresso 18x55g front side with one sachet on the side
-12%
IsoWhey Optimum VLCD Espresso 18x55g
Regular price $49.95 AUD Sale price$43.99 AUD
Extra 30% off
IsoWhey Clinical Nutrition Diabetic Formula Vanilla 640gIsoWhey Clinical Nutrition Diabetic Formula Vanilla 640g
-11%
IsoWhey Clinical Nutrition Diabetic Formula Vanilla 640g
Regular price $54.95 AUD Sale price$48.99 AUD
IsoWhey Optimum VLCD Strawberries & Cream 18x55g — rapid weight loss sachets with VERISOL® collagenIsoWhey Optimum VLCD Strawberries & Cream 18x55g left side of pack
-12%
IsoWhey Optimum VLCD Strawberries & Cream 18x55g
Regular price $49.95 AUD Sale price$43.99 AUD
Extra 30% off
IsoWhey Plant-Based Meal Replacement Shake Vanilla 550g — 100% vegan, dairy-free protein shake jarIsoWhey Plant-Based Vanilla Meal Replacement Shake 550g jar on white background
-22%
IsoWhey Plant-Based Meal Replacement Shake Vanilla 550g
Regular price $35.99 AUD Sale price$27.99 AUD
Extra 30% off
IsoWhey Clinical Nutrition Kids Complete Chocolate 30g
-50%
IsoWhey Clinical Nutrition Kids Complete Chocolate 30g
Regular price $3.00 AUD Sale price$1.50 AUD
Extra 30% off
IsoWhey Plant-Based Meal Replacement Shake Chocolate 550g — 100% vegan, dairy-free protein shake jarIsoWhey Plant-Based Chocolate Meal Replacement Shake 550g jar on white background
-22%
IsoWhey Plant-Based Meal Replacement Shake Chocolate 550g
Regular price $35.99 AUD Sale price$27.99 AUD
Extra 30% off
IsoWhey Protein Water Lemon Lime 550gIsoWhey Protein Water Lemon Lime 550g
-10%
IsoWhey Protein Water Lemon Lime 550g
Regular price $53.95 AUD Sale price$48.60 AUD
Extra 30% off
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Meal Replacement Shakes

Looking for the best meal replacement shakes? IsoWhey offers a premium range of high-protein options designed to support weight loss, muscle maintenance, and overall wellbeing.

Each shake is packed with quality protein and essential nutrients to keep you full, energised, and on track with your health goals—whether you're managing your weight or need a quick, nutritious meal on the go. Explore our full range, including whey and vegan shakes, convenient bundles, and a variety of delicious flavours to suit your lifestyle.

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