Xylooligosaccharides (XOS) and blood sugar

What 2 graded rows on xylooligosaccharides (xos) agree on for blood sugar, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Xylooligosaccharides (XOS) page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Xylooligosaccharides (XOS) page, with its PubMed record.

Supplement

Xylooligosaccharides (XOS) Choose another

2 rows · 55 people

Split. 1 row found an improvement and 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

When published

The best-graded row, grade D, is a pilot trial of 29 people (2015) and found no difference.

The row that found no difference is newer (2015) than the row that found an improvement (2008).

1 improved · 1 no difference

Grade DBlood sugar and cholesterol in type 2 diabetes · Improved
RCT · n 26 · 2008 · Adults with type 2 diabetes (HbA1c 7.0 to 10.0%)
4 g a day · 8 weeks
Glucose, HbA1c, fructosamine, total and LDL cholesterol, oxidized LDL and apolipoprotein B fell vs placebo.
Row on the Xylooligosaccharides (XOS) page · PubMed 19001772 (opens PubMed)
Grade DGlucose and insulin in prediabetes · No difference
Pilot RCT · n 29 · 2015 · Adults with prediabetes (13) and healthy adults (16)
2 g a day · 8 weeks
XOS shifted several gut bacteria but did not change HOMA-IR, serum glucose, triglycerides, body composition or satiety hormones; 2-hour insulin tended lower (p = 0.13).
Row on the Xylooligosaccharides (XOS) page · PubMed 26300782 (opens PubMed)