Cold brew protein coffee

Cold brew coffee, engineered for output

Twenty-five grams of protein and the caffeine of a double espresso, in a 250ml can. Zero sugar.

25g Protein
128mg Caffeine
0g Sugar
250ml Can
Informed Sport certified. We test, you trust.

Every batch tested for banned substances

  • Informed Sport tested
  • Zero sugar
  • 25g protein
  • Free UK delivery over £25
  • Cancel anytime
RISONIX cold brew coffee, 250ml can

25g protein

128mg caffeine

Zero sugar

Informed Sport tested

  • Training and workouts
  • Sports performance
  • Long work sessions
  • Gaming and focus sessions
From £17.99 Shop the 6 pack

Our story

Risonix was created from my experience as a professional athlete and my passion for health, performance and great coffee. Throughout my career, I understood the importance of proper nutrition, sustained energy and recovery, but I struggled to find a coffee that truly supported an active lifestyle. I wanted a product that combined premium cold brew coffee with functional nutrition, something that delivered clean energy, high-quality protein and exceptional taste in one convenient drink.

Coffee has always been a part of my daily routine, whether before training, before competition or while building my business. Creating Risonix allowed me to combine two things I genuinely love: high-performance nutrition and premium coffee. Every ingredient has been chosen with purpose to help people perform at their best, whether they're athletes, busy professionals or anyone striving to live a healthier, more active life.

The name Risonix represents resilience, strength and continuous progress. It reflects the mindset that shaped my sporting career. The belief that success comes from showing up every day, embracing challenges and constantly pushing your limits. That same philosophy is at the heart of everything we do.

Today, Risonix is more than a functional coffee brand. It's a movement built for people who demand more from themselves and the products they choose. My goal is to create premium, science-backed coffee products that fuel performance, support wellbeing and inspires others to chase their ambitions with the same determination that defined my journey as a professional athlete.

Alex O'MearaFounder

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Questions

Does it contain sugar?

No. RISONIX Energy contains zero sugar.

How much caffeine is in a can?

128mg per 250ml can, roughly the same as a double espresso.

High caffeine content. Not recommended for children or pregnant or breast-feeding women.

How much protein is in a can?

25g of protein per 250ml can.

Is it tested for banned substances?

Yes. RISONIX Energy is tested under the Informed Sport programme, which screens for substances banned in sport.

What is RISONIX Energy?

A cold brew coffee with 25g of protein and 128mg of caffeine in a 250ml can, with zero sugar.

Where do you deliver?

We currently deliver within the UK only. Delivery is free on orders over £25.