Insights by Xmiles

For 2026, XMiles are the Sports Nutrition Retail Partner of The Great North Swim at Windermere, one of the UK’s most iconic open water swimming events. With distances ranging from a 250m splash to a demanding 10km endurance challenge, it...

Performing well in hot conditions is one of the biggest challenges endurance athletes face. To better understand how athletes can prepare for and manage heat stress, FLYCARB partnered with CORE to explore whether sodium bicarbonate supplementation can improve performance in...

A pioneering study1 has shown that New Zealand blackcurrant extract, CurraNZ®, supercharges the “petrol tank”, by increasing muscle fuel supplies, potentially offering everyday athletes a significant advantage when it matters most. In practical terms, taking two capsules (600mg) of CurraNZ...

A new exploratory human trial has found that New Zealand blackcurrant extract (CurraNZ™) can significantly improve high‑intensity intermittent running in athletes whose muscles are rich in endurance‑type (Type I) fibres - offering powerful new evidence that the proprietary berry extract...

Endurance performance isn’t only about strong legs and lungs. Nutrition also plays a crucial role in maintaining focus, mood, and decision-making during long sessions. When we exercise, we need to fuel the brain as well as the muscles. If you’ve...

Gravel events like The Gralloch demand more than just strong legs. Long hours, technical terrain, changing conditions and sustained intensity mean fuelling has to be thought through well before race day arrives. To give you a real look behind the...