Chlorophyll (Chlorophyllin) and odor control

What 3 graded rows on chlorophyll (chlorophyllin) agree on for odor control, and where they differ. Counted side by side, never averaged.

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

What the rows agree on

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

Supplement

Chlorophyll (Chlorophyllin) Choose another

3 rows · 55 people

Mostly no difference: 2 of 3 rows, and most of the people. 1 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

Trial sizeWhen published

The best-graded row, grade D, is a crossover trial of 28 people (1989) and found no difference.

The 2 rows that found no difference were larger: a median of 24 people, against 7 people for the row that found an improvement.

The row that found an improvement is newer (2004) than the 2 rows that found no difference (1983 to 1989).

1 improved · 2 no difference

Grade DFecal odor in colostomy patients · No difference
Crossover RCT · n 28 · 1989 · Colostomy patients (Denmark)
75 mg three times daily · Not stated in the abstract
Patients' ratings of unpleasant odor did not differ from placebo.
Row on the Chlorophyll (Chlorophyllin) page · PubMed 2675439 (opens PubMed)
Grade DUrinary odor in incontinent older adults with catheters · No difference
Crossover RCT · n 20 · 1983 · Incontinent geriatric patients with indwelling Foley catheters (US)
100 mg/day · 2 weeks per phase
Odor intensity fell about 21% on chlorophyllin and rose 9% on placebo, but the difference was not significant; the authors judged it may not be effective.
Row on the Chlorophyll (Chlorophyllin) page · PubMed 6628224 (opens PubMed)
Grade DUrinary trimethylamine in trimethylaminuria ("fish odor syndrome") · Improved
Open-label trial · n 7 · 2004 · Japanese adults with reduced ability to convert trimethylamine
180 mg/day · 3 weeks
Free urinary trimethylamine fell and its odorless metabolite rose to normal levels, with effects lasting several weeks after stopping.
Row on the Chlorophyll (Chlorophyllin) page · PubMed 15043988 (opens PubMed)