London-based blood flow restriction (BFR) brand Hytro has raised approximately £2M (nearly €2.30M) in its latest funding round, backed by athlete-led investment syndicates Joyned Capital and Skin In The Game.

New investors include Arsenal footballer Jurrien Timber (Arsenal FC), his twin brother Quinten Timber (Feyenoord), and NFL player Benjamin St-Juste of the LA Chargers.

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They join existing athlete investors such as Sam Warburton (British & Irish Lions), Tennis player Cameron Norrie, Scott Dann (ex-Crystal Palace FC), Martin Kelly (ex-Crystal Palace FC), and others.

Hytro develops wearable BFR products designed to support training and recovery. According to CityAM, the company recently secured a US patent and is preparing for international expansion. Its products are currently used by professional sports teams and in space missions.

Jason Esseboom, Founder and CEO of Joyned Capital, mentions, “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, adds, “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.”

BFR and its recovery techniques?

Blood Flow Restriction training is a technique that uses a strap to limit circulation in limbs during movement or rest periods. This process builds muscle mass and power beyond standard training methods while extending endurance capacity. The technique allows pre-competition preparation without causing tiredness.

For recovery, BFR boosts hormone production, flushes waste like lactic acid from muscles, and delivers blood and nutrients to tissues. This reduces muscle soreness by 47 per cent, joint pain by 38 per cent, and tiredness by 39 per cent.

For preparation, BFR sends blood to tissues, improves joint mobility, and warms muscles beyond stretching alone. It lowers injury risk and reduces pain from tendons or muscles, cutting joint pain by 38 per cent.

When combined with ice baths, Recovery BFR produces 10 per cent faster recovery, 12 per cent less muscle soreness, 14 per cent less joint pain, and 23 per cent more energy compared to ice baths alone.

A wearable BFR technology

Founded in 2018 by Warren Bradley and Raj Thiruchelvarajah, Hytro provides a wearable Blood Flow Restriction (BFR) product that allows athletes, teams, practitioners, and individuals to use BFR as part of their daily routines. It delivers consistent, adjustable occlusion pressure without the need for wires or batteries.

The company is used across professional sports leagues, including the Premier League, WSL, MLS, and NFL, as well as by national teams and athletes in rugby, cycling, cricket, F1, and tennis. It is also used in rehabilitation and performance settings by medical professionals and individuals seeking health and fitness benefits.

CEO and co-founder Raj Thiruchelvarajah mentions in a LinkedIn post, “This isn’t just an athlete-endorsed product. This is a business that athletes believe in, invest in, and grow with because they’ve experienced the impact firsthand.”

Thiruchelvarajah further adds that the “Revenue is growing fast — 80 per cent year-on-year growth driven by global demand across pro sport and colleges.”