Hytro, the UK-based maker of a patented blood flow restriction wearable (BFR) device, scored a new investment round led by Joyned Capital and Skin In The Game, both of which focus on human performance.
Joyned Capital is an athlete-led angel syndicate focusing on sports investments while Skin In The Game focuses on early and growth stage startups in the sports, health and fitness space.
s part of the investment, Joyned Capital has brought in several high-profile athletes as backers, including Dutch footballers Jurrien Timber (Arsenal FC) and Quinten Timber (Feyenoord), alongside NFL star Benjamin St-Juste (LA Chargers).
Hytro claims its BFR product is the first of its kind to receive a U.S. patent, providing intellectual property protection through 2040 (Patent No. 12,317,940) and its products are used by over 250 professional teams worldwide, ranging from Manchester City Women and Soudal Quick-Step to Premier League, NFL, NBA and F1 teams.
Jason Esseboom, founder and CEO of Joyned Capital, commented: “Hytro is the kind of company we get excited about — simple, proven technology, already winning with elite teams, and a clear runway for global scale. The product has proven its value season after season. Backing Raj and Warren was a no-brainer.”
Scott Newall, co-founder and CEO of Skin In The Game, added: “For decades, BFR was confined to the lab. Hytro has made it simple, scalable and scientifically sound — and they’ve earned the trust of the best coaches and athletes in sport. Their momentum is only just beginning.”
Jurrien Timber, Arsenal FC and Netherlands international, commented: “Performance and recovery are everything in modern football. Hytro is changing the game in both. I’ve experienced the benefits of BFR training first-hand, and what impressed me most about Hytro is how easy it is to use, whether you’re a pro or just training at home. This is a product built for the future, and I believe Hytro can take it to the next level.”
Benjamin St-Juste, LA Chargers cornerback, added: “I began using Hytro Shorts in 2023 as part of my post-game recovery routine with the Washington Commanders — whether on the treadmill or during pool workouts. What impressed me most was the ability to achieve the benefits of blood flow restriction without bulky machines or cables. Investing in Hytro was an easy decision because I believe this technology has the potential to help millions of athletes recover more efficiently and effectively.”
Raj Thiruchelvarajah, CEO and co-founder of Hytro, said: “To have respected athletes like Jurrien, Quinten, and Benjamin back our mission is a huge endorsement of the work we’re doing. These players know what high performance demands — and they choose to invest in products that deliver. With momentum growing in the US, our newly granted patent now gives us the protection and credibility needed to scale faster across elite sport, wellness, and beyond.”
