Cinnamon and blood sugar

What 3 graded rows on cinnamon agree on for blood sugar, and where they differ. Counted side by side, never averaged.

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

What the rows agree on

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

Supplement

Cinnamon Choose another

3 rows · 4,174 people

Mostly an improvement: 2 of 3 rows, and most of the people. 1 found no difference.

No difference

Improved

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

From the rows

Trial sizeWho was studiedWhen publishedGrade

The best-graded row, grade B, is a meta-analysis of 3,054 people (2025) and found an improvement.

The 2 rows that found an improvement were larger: a median of 1,799 people, against 577 people for the row that found no difference.

Only the 2 rows that found an improvement name older adults in their population.

The 2 rows that found an improvement are newer (2013 to 2025) than the row that found no difference (2012).

The best grade is B among the rows that found an improvement, and C among the row that found no difference.

2 improved · 1 no difference

Grade BFasting glucose, HbA1c and insulin resistance in type 2 diabetes · Improved
Meta-analysis, 28 studies · n 3,054 · 2025 · Adults and older adults with type 2 diabetes in 28 randomized trials
Varied; analysed as 2 g/day or less and over 2 g/day · 30–120 days
Fasting glucose fell 15.26 mg/dL, post-meal glucose 39.22 mg/dL and HbA1c 0.56 points versus control, and HOMA-IR fell 0.76; in capsule trials fasting glucose fell 18.43 mg/dL and total cholesterol, LDL and triglycerides also fell. HbA1c, HOMA-IR and BMI fell only at 2 g/day or less.
Row on the Cinnamon page · PubMed 38917435 (opens PubMed)
Grade CFasting glucose and lipids in type 2 diabetes · Improved
Meta-analysis, 10 studies · n 543 · 2013 · Adults with type 2 diabetes in 10 trials
120 mg to 6 g/day · 4–18 weeks
Fasting glucose fell 24.6 mg/dL, total cholesterol 15.6, LDL 9.4 and triglycerides 29.6 mg/dL versus control, and HDL rose 1.7 mg/dL; HbA1c did not change.
Row on the Cinnamon page · PubMed 24019277 (opens PubMed)
Grade CHbA1c and glucose in diabetes · No difference
Systematic review, 10 studies · n 577 · 2012 · People with type 1 or type 2 diabetes in 10 trials
Mean 2 g/day · 4–16 weeks
No significant difference in HbA1c, insulin or post-meal glucose; the fasting glucose effect was inconclusive. Most trials had high or unclear risk of bias.
Row on the Cinnamon page · PubMed 22972104 (opens PubMed)