Nix Biosensors Expands to Great Britain, Ireland, and Wales, Bringing Personalized Hydration Technology Direct to UK Consumers
June 10, 2025

Backed by growing demand from UK athletes and professionals, Nix brings its sweat-sensing technology overseas to transform how individuals manage hydration, performance, and safety in real time.
BOSTON, MASS (June 10, 2025) /ENDURANCE SPORTSWIRE/ – Nix Biosensors, the leading provider of cutting-edge hydration monitoring technology, today announced its official market launch into Great Britain, Ireland, and Wales. Effective immediately, customers across the UK can purchase Nix’s innovative hydration biosensor directly through Nix’s website, marking the company’s first direct to consumer expansion beyond the United States and Canada.
This milestone opens the door for athletes, laborers, and health-conscious individuals across the UK to access Nix’s cutting-edge technology. The device uses AI-enabled sensors to quantify both fluid and electrolyte losses, providing athletes with critical decision-support data on their fluid intake needs during training and competition, through the Nix app. Personalized hydration recommendations are based on real-time data that is unique to each user based on physiology, activity intensity, and environmental conditions. With Nix, customers are empowered to optimize performance, recovery, and safety.
Until now, hydration strategies have often relied on population averages and generalized advice, which can leave individuals vulnerable to dehydration or overhydration. Nix’s platform changes that by using real-time sweat analysis and proprietary algorithms to generate individualized, actionable insights. The result is hydration guidance that is adapted to the user, whether they’re training for a marathon, working long shifts in hot environments, or managing heat risk in high-performance settings.
The expansion into the UK comes at a time of growing global demand for personalized health tech and wearable innovation in both sport and industry. Nix’s biosensor has already been adopted by elite athletes and organizations across North America, including professional sports teams, military units, and industrial safety programs. These groups are utilizing Nix’s newest app, Nix Pro, the industry’s leading team hydration monitoring platform. This groundbreaking option allows coaches and managers to monitor multiple individuals on a single interface. Individuals supporting their own hydration strategies are encouraged to use Nix’s original app, Nix Solo. With its launch in Great Britain, Ireland, and Wales, Nix aims to support a new community of users seeking smarter, safer hydration strategies.
“Our mission has always been to make hydration measurable, personalized, and accessible,” said Meridith Cass, CEO and Founder of Nix. “Since launching two years ago, we’ve consistently heard from athletes, coaches, and professionals across the UK who were eager to get their hands on our technology. That early interest helped us understand both the demand and the need to expand direct-to-consumer availability in the region. We’re thrilled to now offer Nix to customers in the UK, where there’s a strong culture of endurance sport, occupational safety, and innovation in human performance.”
The announcement follows a wave of recent momentum for Nix, including the Union Cycliste Internationale’s (UCI) approval of the Nix Biosensor for use in professional cycling competitions, further validating the importance of real-time hydration monitoring in high-stakes environments.
For more information or to purchase Nix in the UK, visit nixbiosensors.com. The Nix Biosensors Starter Kit will sell online in the UK for £149.
Media Contact
Mackenzie Lynch
mackenzie@igtstudio.com
360.319.3833
About Nix Biosensors:
Nix is changing the way humans manage health by empowering consumers to access, understand, and act on their personal biology in real time. Nix’s first consumer product is a sweat patch that provides athletes, soldiers, and laborers with hydration data in real-time, helping them optimize safety and performance. Headquartered in Boston, Massachusetts, Nix is founded by CEO Meridith Cass, a graduate of Harvard Business School, former VC, and 9-time marathoner. Advisors include Tom Fowler, Former President of Polar; Dr. Bob Murray, Founder and former Director of the Gatorade Sports Science Institute; Shalane Flanagan, 4x Olympian, Silver Medalist, and 2017 NYC Marathon Champion; and Tatyana McFadden, the 5x Olympian and 17x Medalist. Learn more at nixbiosensors.com.