Good gut bacteria may be the secret to longevity — how to get it, including the strain that boosts your natural GLP-1
Research suggests that maintaining a youthful gut microbiome may play a key role in longevity and overall health as people age. Experts recommend eating fiber- and polyphenol-rich foods, avoiding excessive antibiotics, and managing stress to support beneficial gut bacteria. A healthy gut microbiome is linked to improved metabolism, immunity, cognitive function, and even skin health.
- ▪Healthy older adults often have gut microbiomes similar to those of much younger individuals.
- ▪Colleen Cutcliffe, Ph.D., CEO of Pendulum Therapeutics, emphasizes that gut health influences metabolism, brain function, and immunity.
- ▪Foods high in fiber and polyphenols, such as lentils, leafy greens, berries, and green tea, support beneficial gut bacteria.
- ▪Antibiotics can disrupt gut health by eliminating both harmful and beneficial bacteria.
- ▪Stool consistency can serve as a key indicator of gut microbiome health and overall well-being.
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Wellness Good gut bacteria may be the secret to longevity — how to get it, including the strain that boosts your natural GLP-1 By Julie Sagoskin Published May 1, 2026, 6:00 a.m. ET It’s time to start trusting your gut — at least when it comes to staying young and living longer. Research has shown that the gut microbiomes of healthy older people — including those in their 90s over age 100 — often resemble those of people who are decades younger. But your gut microbiome isn’t just a matter of chance: Fine-tuning it can turn back time, leading to better metabolism, sleep, thinking and immunity, according to microbiome expert Colleen Cutcliffe, Ph.D. 3 The gut microbiomes of healthy older people often resemble those of people who are decades younger.
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