Industry News | Aug 20, 2026 | No Comments |
Exercise and muscle-boosting molecule
The exercise molecule that could help protect muscles in type 2 diabetes
Scientists have identified a molecule released during exercise that makes muscles stronger and more resilient — and it could point the way to new treatments for the muscle damage caused by type 2 diabetes.
The molecule, L-β-aminoisobutyric acid (L-BAIBA), appears to be essential for helping muscles adapt to exercise: getting stronger, recovering better, and building up protection against damage and weakness. The findings, published in Nature Communications, show that L-BAIBA acts as a central “switch” that tells muscles how to remodel themselves, build strength, and improve endurance in response to training. The study was funded by Diabetes UK and the Biotechnology and Biological Sciences Research Council (BBSRC).
Exactly how exercise helps the body cope with physical challenges isn’t fully understood. Given how much exercise is known to benefit our health, a team led by Professor Lee Roberts at the University of Leeds wanted to find out whether this particular mechanism could be harnessed to treat long-term conditions such as type 2 diabetes.
L-BAIBA isn’t a completely new discovery — Professor Roberts previously found, in a 2014 study, that it boosts the fat-burning effects of exercise, and it’s already sold as a nutritional supplement. What this latest study adds is new: it shows L-BAIBA also prompts muscles themselves to respond and change, linking exercise directly to beneficial shifts in muscle structure and metabolism.
Professor Roberts, who leads the research at Leeds, explained:
“Our research identifies L-BAIBA as an exercise-induced signal that helps muscles adapt, improve their metabolic capacity and ability to contract, and ultimately enhances physical performance.
“This gives us exciting new insight into how exercise benefits the body and highlights a promising target for future therapies aimed at preserving muscle function in chronic conditions such as diabetes.”
Why this matters for people living with type 2 diabetes
Type 2 diabetes can take a real toll on muscles — leading to muscle loss, reduced strength, and disrupted metabolism, all of which can chip away at everyday quality of life. The study found that L-BAIBA helps protect muscle against exactly this kind of damage. Since exercise is such an important part of managing diabetes, anything that helps muscles resist fatigue could make a meaningful difference to people trying to stay active.
Type 2 diabetes is a serious condition that can raise the risk of complications including heart attacks and strokes. What causes it is complicated, shaped by a mix of age, ethnicity, genetics, and living with obesity or being overweight. It’s traditionally been seen as a condition of later life, but rates among under-40s have been climbing — and now rising faster than among the over-40s.
Anna Morris, Assistant Director of Research Strategy and Partnership at Diabetes UK, said:
“Exercise plays an important role in managing type 2 diabetes, but for many people muscle weakness and fatigue can make staying active a real challenge. This research helps us better understand how muscles adapt to exercise and identifies a potential new target for improving muscle health. While these findings are still at an early stage, they could help shape future approaches that support people with type 2 diabetes to remain active and live healthier, longer lives.”
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Further reading and resources
How to dodge the diabetes disaster
Find out more about Diabetes UK on their website: www.diabetes.org.uk (external link will open in a new browser tab or window)
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