Gymnema Sylvestre and type 2 diabetes

What 2 graded rows on gymnema sylvestre agree on for type 2 diabetes, and where they differ. Counted side by side, never averaged.

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

What the rows agree on

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

Supplement

Gymnema Sylvestre Choose another

2 rows · 441 people

They agree: both rows found an improvement.

No difference

Improved

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

From the rows

The best-graded row, grade C, is a meta-analysis of 419 people (2021) and found an improvement.

The rows run from 22 to 419 people, published from 1990 to 2021: 1 pooled review and 1 single study.

2 improved

Grade CFasting glucose, post-meal glucose and HbA1c · Improved
Meta-analysis, 10 studies · n 419 · 2021 · Adults with type 2 diabetes in 10 studies
Varied · Varied
Fasting glucose, post-meal glucose, HbA1c, triglycerides and cholesterol fell compared with baseline, with very high heterogeneity (I² 80–99%). Effects were measured against baseline, not placebo.
Row on the Gymnema Sylvestre page · PubMed 34467577 (opens PubMed)
Grade DBlood glucose and HbA1c in type 2 diabetes · Improved
Open-label trial · n 22 · 1990 · Indian adults with type 2 diabetes on oral glucose-lowering drugs
400 mg/day · 18–20 months
Blood glucose and HbA1c fell and drug doses could be lowered; 5 of 22 stopped their conventional drug. No control group.
Row on the Gymnema Sylvestre page · PubMed 2259217 (opens PubMed)