Purple nutsedge (Cyperus rotundus) and weight loss

What 2 graded rows on purple nutsedge (cyperus rotundus) agree on for weight loss, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Purple nutsedge (Cyperus rotundus) page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Purple nutsedge (Cyperus rotundus) page, with its PubMed record.

Supplement

Purple nutsedge (Cyperus rotundus) Choose another

2 rows · 126 people

They agree: both rows found an improvement.

No difference

Improved

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

From the rows

The best-graded row, grade C, is a randomized trial of 96 people (2025) and found an improvement.

The rows run from 30 to 96 people, published from 2022 to 2025: 2 single studies.

2 improved

Grade CBody weight, BMI and waist circumference in obesity · Improved
RCT · n 96 · 2025 · Adults with obesity following a prescribed diet and exercise plan
500 mg extract + 5 mg piperine twice daily · 90 days
Double-blind vs placebo. Body weight, BMI, waist and hip circumference fell more with the extract, and blood lipids and apolipoprotein B-100 improved. No adverse events were reported and lab safety values stayed in normal ranges.
Row on the Purple nutsedge (Cyperus rotundus) page · PubMed 41305713 (opens PubMed)
Grade DBody weight, BMI, waist circumference and lipids in obesity · Improved
Pilot RCT · n 30 · 2022 · Adults with obesity (BMI 30-40)
525 mg twice daily before meals (from the full text) · 90 days
Double-blind pilot vs placebo. Body weight fell, and waist circumference, BMI and the blood lipid profile improved significantly. The extract was well tolerated with no adverse effects reported.
Row on the Purple nutsedge (Cyperus rotundus) page · PubMed 35177914 (opens PubMed)