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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41 Products
41 Products

Progain All-In-One Protein Powder - Vanilla

£39.99

Protein Bars 12 x 45g - Strawberry Yoghurt

£19.99

Protein Bars 12 x 45g - White Chocolate Coconut

£19.99 Sold Out

Progain All-In-One Protein Powder - Chocolate

£39.99 Sold Out

Progain X3 Mix & Match Bundle

£95.97

27 Flavours

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.

Informed Sport

Trusted For 30+ Years

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