Consumers are no longer content with simply living longer. They want to age well, with the digestive comfort, immune resilience, cognitive sharpness and mental wellbeing that make later years fulfilling and comfortable. In a word, the focus has moved from lifespan to healthspan.
This change places the gut microbiome at the centre of the discussion. The community of microbes in the gut microbiome is not fixed; it changes across the whole of life. We are typically born with a gut rich in beneficial bifidobacteria, but their abundance declines as we move through childhood and into older age, and overall diversity tends to narrow with the years. The direction of that change is of utmost importance because a growing body of research links a diverse, bifidobacteria-rich microbiome to healthier ageing. Some of the most striking evidence comes from the far end of the lifespan: people who reach centenarian status have been found to have markedly more diverse gut microbiomes than their younger peers¹.

Where this reaches beyond digestion lies in what gut bacteria actually do. Beneficial species of gut bacteria, such as bifidobacteria, present certain health and wellbeing benefits, such as maintaining the integrity of the gut barrier, keeping unwanted pathogens where they belong, and driving the production of metabolites and signalling molecules in the gut that support immune defence throughout the body.
Through the gut-brain axis, the same beneficial gut microbiota community is connected to cognition, mood and sleep. When beneficial bacteria decline, the balance between pro- and anti-inflammatory signals can tip towards the chronic, low-grade inflammation increasingly associated with age-related conditions. Support the gut microbiome, and you support several of the systems that determine how well we age at once.
In the context of healthy ageing, a scientifically validated prebiotic is extremely valuable in product development. Bimuno® GOS, our galactooligosaccharide, is the most comprehensively researched prebiotic of its type, supported by more than 135 scientific publications, including over 25 clinical studies.
The research behind it spans the areas that grow more relevant with age. Studies in older adults have shown improvements in immune markers, including greater activity of immune cells involved in anti-pathogenic defence and enhanced production of the anti-inflammatory cytokine IL-10²˒³. In digestive health, Bimuno GOS used alongside a low-FODMAP diet delivered greater overall relief of IBS symptoms than its control study group⁴. Concerning the gut-brain axis, supplementation has been shown to lower waking cortisol reactivity⁵, and, in real-world evidence, to support better sleep⁶.

The opportunity to develop gut health-focused healthy-ageing products is as human as it is commercial, helping people feel better as they age. Ageing is inevitable, but the quality of daily life that accompanies it is not, and it is something credible, science-backed nutrition can meaningfully influence. Connecting with this fast-growing segment means translating robust evidence into clear, relatable benefits.
That is a conversation we look forward to having at SupplySide Global 2026, where the Clasado team, at booth 4249, will be exploring how proven prebiotic science can help formulators support a longer and healthier life.
Discover how Bimuno GOS can support your next formulation
¹ Lozada-Martinez et al., 2024 https://pmc.ncbi.nlm.nih.gov/articles/PMC11222757/
2 Vulevic et al., 2008
3 Vulevic et al., 2015
4 Wilson et al., 2020
5 Schmidt et al., 2015
6 Sloan et al., 2023