A new analysis of animal studies suggests that resveratrol, a natural compound found in grapes and red wine, may help protect against chronic obstructive pulmonary disease (COPD). The review pooled data from 377 experimental animals, with 239 receiving resveratrol and 138 serving as controls. The findings, published as a meta-analysis, showed that resveratrol improved lung function and reduced markers of inflammation and oxidative stress in these animal models.
Specifically, resveratrol was linked to better airflow and lung compliance, along with lower levels of inflammatory proteins such as TNF-α, IL-8, and IL-6 in the blood. It also reduced inflammatory markers in lung tissue and decreased oxidative damage, as seen in lower malondialdehyde levels and higher superoxide dismutase activity.
However, this evidence is preliminary. The studies were conducted in animals, not humans, and the analysis noted significant variability among the studies and potential publication bias. No safety data were reported, and it is unclear how these results might translate to people with COPD.
For now, these findings are a stepping stone for future research. They suggest that resveratrol might one day play a role in COPD treatment, but much more work is needed. People with COPD should not use resveratrol supplements based on this study alone and should talk to their doctor about proven treatments.