Research

Hormonal

Specific polyphenols (resveratrol, curcumin, and anthocyanins) have demonstrated antidiabetic activity in human studies, whereas the therapeutic effect of individual flavonoids or isoflavones in patients is not supported by current clinical data.

If you are looking to use polyphenols for diabetes management, focus on dietary sources rich in resveratrol (grapes/wine), curcumin (turmeric), or anthocyanins (berries), as these have shown activity in human studies. Avoid relying on generic flavonoid supplements which lack therapeutic evidence in patients.

ModerateQualifiesMEDIUM confidence
Resveratrol, curcumin, and anthocyanins showed antidiabetic activity in human study. [...] The individual flavoid or isoflavone has no therapeutic effect on diabetic patients, although the clinical data are very limited.
Chongde Sun et al. · Food Frontiers · 2020

Why this rating

The paper explicitly states clinical data is 'very limited' for flavonoids/isoflavones, though it acknowledges activity for resveratrol, curcumin, and anthocyanins in human studies.

Source

Dietary polyphenols as antidiabetic agents: Advances and opportunities

Chongde Sun et al. · Food Frontiers · 2020

DOI 10.1002/fft2.15

narrative_reviewCited 298×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

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