As a world-class triathlete, Alistair Brownlee won gold medals in the 2012 and 2016 Olympic games.

Now he's testing his skills as an entrepreneur, starting the brand truefuels, which offers electrolytes and energy gels to help amateur athletes improve their performance.

Truefuels Performance Gels With 1.0g Salt 20-Pack, £59.99 BUY NOW

I joined Alistair at the London launch of the energy gels, where he took me on a guided 6km run through St James's Park and gave me one of the first tastes of the product range.

Taking just 7 hrs and 38 minutes to complete a full Ironman event, Alistair is very much an elite athlete, but truefuels is aimed at everyday runners, cyclists, triathletes and other endurance sports enthusiasts who want to achieve their own best.

While most people invest in sm

See Full Page