Black chokeberry (aronia) and blood sugar
What 2 graded rows on black chokeberry (aronia) agree on for blood sugar, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Black chokeberry (aronia) page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Black chokeberry (aronia) page, with its PubMed record.
Your question
Black chokeberry (aronia) and blood sugar
2 rows · 73 peopleSplit. 1 row found an improvement and 1 found no difference.
- DGrade D× 2
- Rows
- 2
- Trials
- 2
- People
- 73
Where they differ
From the rowsThe best-graded row, grade D, is a randomized trial of 50 people (2026) and found an improvement.
The row that found an improvement was larger: 50 people, against 23 people for the row that found no difference.
The row that found an improvement ran longer (3 months) than the row that found no difference (8 weeks).
Only the row that found an improvement names women in its population.
The row that found an improvement is newer (2026) than the row that found no difference (2023).
The rows
1 improved · 1 no difference- DGrade DBlood sugar in women with prediabetes (juice plus Mediterranean diet advice) · Improved
RCT · n 50 · 2026 · Women aged 30–60 with prediabetes (50 of 54 completed)
100 mL/day (457 mg polyphenols) · 12 weeks
Fasting glucose, HbA1c and 2-hour glucose fell more than in the diet-only group (adjusted p < 0.001), and oxidative-stress markers improved.
Row on the Black chokeberry (aronia) page · PubMed 42796931 (opens PubMed)
- DGrade DBlood sugar control in type 2 diabetes · No difference
Crossover RCT · n 23 · 2023 · Adults with type 2 diabetes (23 of 36 randomized completed)
Daily snack bars (amount not given in the abstract) · 8 weeks per period
Neither aronia bar changed HbA1c, fructosamine, insulin, glucose or glucose tolerance versus placebo; the gut hormone GIP rose more after the fermented bar.
Row on the Black chokeberry (aronia) page · PubMed 37836472 (opens PubMed)