A 2026 review published in Frontiers in Nutrition examined resveratrol, an antioxidant polyphenol found in red grapes, berries, and peanuts, and reported potential benefits for blood sugar regulation and brain health, according to the article. The review focused on resveratrol’s effects on glycemic control, oxidative stress, inflammation, pancreatic beta-cell function, and signaling pathways involving SIRT1 and AMPK, the article stated.
The review reported that some studies found improvements in glycemic control, particularly in people with Type 2 diabetes. However, much of the evidence comes from research involving people with Type 2 diabetes, and the review stated that more studies are needed to understand how the findings apply to the general population. The article noted that resveratrol is a polyphenol, a class of phytochemicals found in plant foods with antioxidant properties [1].
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