Anthocyanins and blood sugar

What 2 graded rows on anthocyanins agree on for blood sugar, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Anthocyanins page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Anthocyanins page, with its PubMed record.

Supplement

Anthocyanins Choose another

2 rows · 771 people

Split. 1 row found an improvement and 1 had mixed results.

Mixed

Improved

Each block is one evidence row, sized by how many people it enrolled, with its grade inside. Outlined: mixed results.

From the rows

The best-graded row, grade C, is a meta-analysis of 703 people (2023) and found an improvement.

The rows run from 68 to 703 people, published from 2023 to 2026: 1 pooled review and 1 single study.

1 improved · 1 mixed

Grade CHbA1c, fasting glucose and lipids in type 2 diabetes · Improved
Meta-analysis, 13 studies · n 703 · 2023 · 13 RCTs in people with type 2 diabetes (703 participants)
Median 320 mg/day · Median 8 weeks
HbA1c fell (WMD −0.31), as did fasting glucose, 2-hour glucose, triglycerides and LDL; insulin, HOMA-IR, total and HDL cholesterol and blood pressure did not change significantly.
Row on the Anthocyanins page · PubMed 37810926 (opens PubMed)
Grade CGlucose tolerance and beta-cell function in impaired glucose tolerance · Mixed
RCT · n 68 · 2026 · Adults with impaired glucose tolerance plus lifestyle guidance
160 mg/day · 12 weeks
No difference in the primary outcome (disposition index). More participants returned to normal 2-hour glucose (55.9% vs 29.4%), and insulin sensitivity (Matsuda index) improved.
Row on the Anthocyanins page · PubMed 41619973 (opens PubMed)