MaxiNutrition: Fuel Your Potential

For over 30 years, MaxiNutrition has led the way in science-backed sports nutrition. What started as one man’s mission to challenge the status quo is now the UK’s original supplement brand – trusted by elite athletes, high performers, and weekend warriors alike.

Born from Experience, Backed by Science

Founded by Zef Eisenberg in 1992 (originally as Maximuscle), MaxiNutrition was built on the belief that athletes deserved better — better science, better ingredients, and better results. We were the first UK sports nutrition brand to screen products for banned substances, setting a new gold standard for clean, trustworthy supplementation. Today, we combine decades of expertise with cutting-edge research to power the next generation of athletes.

What We Stand For

At MaxiNutrition, our promise is simple: science-backed, high-performance nutrition with no shortcuts. Our formulas are built with premium grade protein, natural colours and flavours, and options that are low in sugar and fat. Every batch is Informed Sport tested, trusted by elite athletes, and designed to support your fitness journey from start to finish.

Built to Perform

Whether you're training for competition, pushing for a new personal best, or simply striving to be your best every day, our products are designed to match your ambition. From strength and endurance to recovery and everyday performance, we're here to fuel your training, support your goals, and help you perform at your best whatever your sport, whatever your level.