Kombucha and blood sugar
What 2 graded rows on kombucha agree on for blood sugar, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Kombucha page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Kombucha page, with its PubMed record.
Your question
Kombucha and blood sugar
2 rows · 23 peopleThey agree: both rows found an improvement.
- DGrade D× 2
- Rows
- 2
- Trials
- 2
- People
- 23
What the rows share
From the rowsThe best-graded row, grade D, is a crossover trial of 12 people (2023) and found an improvement.
The rows run from 11 to 12 people, published in 2023: 2 single studies.
The rows
2 improved- DGrade DFasting blood glucose in type 2 diabetes · Improved
Crossover RCT · n 12 · 2023 · US adults with type 2 diabetes at one urban hospital
240 mL a day · 4 weeks per arm, 8-week washout
Average fasting glucose fell from 164 to 116 mg/dL at 4 weeks on kombucha (p = 0.035); on placebo it went from 162 to 141 mg/dL (p = 0.078). Glucose was self-measured, and the abstract compares each arm with its own baseline.
- DGrade DBlood glucose and insulin after a high-GI meal · Improved
Crossover RCT · n 11 · 2023 · Healthy Australian adults
One serving with a single meal · Single test sessions
Meal glycemic index was 68 with kombucha vs 86 with soda water (p = 0.041), and the insulin index 70 vs 85; diet soft drink made no difference.