Strength & Muscle Building Supplements

Build strength, power, and lean muscle with MaxiNutrition's expert-formulated protein powders and supplements. Our strength-focused range is designed to support muscle growth, enhance performance, and help you lift heavier and train harder. Discover the best supplements for building strength and achieving your fitness goals.

  • Enhanced Muscle Growth and Workout Performance

  • Informed Sport Accredited

  • Ultra-Filtered Premium Ingredients

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All Products Protein Snacks Supplements Protein Powder Clothing
41 Products
41 Products
MaxShake Protein Milk 330ml x 12
MaxShake Protein Milk Banana 330ml x 12 - MaxiNutrition

MaxShake Protein Milk 330ml x 12

£11.49 Sold Out

2 Flavours

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Better Choice Protein Bars 15 x 22.5g
Better Choice Protein Bars 15 x 22.5g

Better Choice Protein Bars 15 x 22.5g

£19.99

2 Flavours

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Milky Waffle Protein Bars 12 x 40g
Milky Waffle Protein Bars 12 x 40g

Milky Waffle Protein Bars 12 x 40g

£19.99

2 Flavours

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MaxIsolate Protein Powder - MaxiNutrition
MaxIsolate Protein Powder - MaxiNutrition

MaxIsolate Protein Powder

£35.00 Sold Out

6 Flavours

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Baking Protein Powder - MaxiNutrition

Protein Nut Bars 12 x 46g
Protein Nut Bars 12 x 46g

Protein Nut Bars 12 x 46g

£19.99

2 Flavours

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Protein Bars 12 x 45g - Peanut Caramel - MaxiNutrition
Protein Bars 12 x 45g - Peanut Caramel - MaxiNutrition

Protein Bars 12 x 45g - Peanut Caramel

£19.99

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Protein Bars 12 x 45g - Hazelnut Nougat - MaxiNutrition
Protein Bars 12 x 45g - Hazelnut Nougat - MaxiNutrition

Protein Bars 12 x 45g - Hazelnut Nougat

£19.99

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Protein Bars 12 x 45g - Chocolate Cookie and Milk - MaxiNutrition
Protein Bars 12 x 45g - Chocolate Cookie and Milk - MaxiNutrition

Protein Bars 12 x 45g - Chocolate Cookie and Milk

£19.99

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Maxi Shake bottles in various flavors with bananas on a beige surface

MaxClear Sachets 30g - MaxiNutrition
MaxClear Sachets 30g - MaxiNutrition

MaxClear Sachets 30g

£2.49 Sold Out

5 Flavours

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Cyclone All-In-One Protein Powder - MaxiNutrition
Maxi Nutrition Cyclone Strength supplement container with feature text on a dark background

Cyclone Protein Powder - Chocolate

£49.99

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Cyclone All-In-One Protein Powder - MaxiNutrition
Maxi Nutrition Cyclone Strength supplement container with feature text on a dark background

Cyclone Protein Powder - Vanilla

£49.99

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MaxVegan Protein Powder - MaxiNutrition
MaxVegan Protein Powder - MaxiNutrition

MaxVegan Protein Powder

£16.99

2 Flavours

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Train for More. Become Your Best

MaxiNutrition is Informed Sport Certified, meaning every batch is tested for banned substances. Backed by science, our proven formulas are designed to deliver real results. Trusted since 1995, we’ve built over 30 years of expertise and are relied on by athletes at every level – from professionals to everyday competitors.

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Creamy Core Protein Bars 12 x 45g
Creamy Core Protein Bars 12 x 45g

Creamy Core Protein Bars 12 x 45g

£19.99

7 Flavours

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Crispy Waffle Protein Bars 12 x 39g
Crispy Waffle Protein Bars 12 x 39g

Crispy Waffle Protein Bars 12 x 39g

£19.99

5 Flavours

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Protein Nut Bars 12 x 46g
Protein Nut Bars 12 x 46g

Protein Nut Bars 12 x 46g

£19.99

2 Flavours

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Classic High Protein Bars 16 x 40g
Classic High Protein Bars 16 x 40g

Classic High Protein Bars 16 x 40g

£25.99 Sold Out

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Milky Waffle Protein Bars 12 x 40g
Milky Waffle Protein Bars 12 x 40g

Milky Waffle Protein Bars 12 x 40g

£19.99

2 Flavours

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Better Choice Protein Bars 15 x 22.5g
Better Choice Protein Bars 15 x 22.5g

Better Choice Protein Bars 15 x 22.5g

£19.99

2 Flavours

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Vegan Creamy Core Protein Bars 12 x 45g
Vegan Creamy Core Protein Bars 12 x 45g

Vegan Creamy Core Protein Bars 12 x 45g

£19.99

3 Flavours

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Classic Vegan Protein Bars 16 x 35g
Classic Vegan Protein Bars 16 x 35g

Classic Vegan Protein Bars 16 x 35g

£23.99

2 Flavours

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