Carnosine and blood sugar
What 2 graded rows on carnosine agree on for blood sugar, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Carnosine page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Carnosine page, with its PubMed record.
Your question
Carnosine and blood sugar
2 rows · 227 peopleThey agree: both rows found an improvement.
- CGrade C× 1
- DGrade D× 1
- Rows
- 2
- Trials
- 5
- People
- 227
- Pooled reviews may count some twice
What the rows share
From the rowsThe best-graded row, grade C, is a meta-analysis of 184 people (2020) and found an improvement.
The rows run from 43 to 184 people, published from 2020 to 2024: 1 pooled review and 1 single study.
The rows
2 improved- CGrade CHbA1c · Improved
Meta-analysis, 4 studies · n 184 · 2020 · Adults in 4 RCTs of at least 2 weeks
Varied across trials · At least 2 weeks
HbA1c fell about 0.92 percentage points versus control (high heterogeneity, I² 69%); triglycerides, cholesterol, fasting glucose and HOMA-IR did not change significantly.
- DGrade DBlood sugar after a glucose drink (oral glucose tolerance test) · Improved
RCT · n 43 · 2024 · Adults with prediabetes or type 2 diabetes
2 g/day · 14 weeks
Blood glucose was lower than placebo at 90 minutes (−1.31 mmol/L) and 120 minutes (−1.60 mmol/L), and total glucose area under the curve fell (−3.30 mmol/L); insulin, body composition and muscle measures did not change.