Acetogenin

Phytochemical

What is it

Acetogenins are a class of long-chain fatty acid-derived compounds found mainly in the plant family Annonaceae, including soursop (Annona muricata), pawpaw (Asimina triloba), and custard apple species. They are sold in some supplements marketed for cancer, parasites, or immune support.

Evidence for 1 use

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Cancer support

Mixed Evidence

Despite preclinical interest, no high-quality human trials show clinical benefit. Safety concerns outweigh speculative benefits.

How it works

Acetogenins inhibit mitochondrial complex I of the electron transport chain, which can kill rapidly dividing cells in laboratory and animal studies. This mechanism has driven interest in anticancer applications. The same mechanism, however, may damage neurons and other healthy tissues. Epidemiological data link long-term consumption of acetogenin-rich foods to atypical parkinsonian neurodegeneration in some Caribbean populations, raising significant safety concerns for chronic supplement use.

Dosage

There is no established human dose. The DSLD does not list a standardized supplement dose. Concentrated extracts vary widely in acetogenin content.

When and how to take it

Chronic daily use is not recommended.

2 commercial forms

Compare the main delivery options and what they’re best suited for.

Soursop (graviola) extract

Most common source in supplements; marketed widely for unproven indications.

Acetogenin content variable

Pawpaw extract

Used in some specialty products.

Higher acetogenin content than soursop

Safety

Long-term and high-dose use of acetogenin-rich supplements has been linked to atypical parkinsonism in observational studies and is not considered safe. Acute use may cause GI upset; chronic neurotoxicity is the more serious concern.

Who should be cautious

Avoid chronic use in everyone. Specifically avoid in pregnancy, breastfeeding, Parkinson's disease, family history of neurodegenerative disease, and in anyone taking neurological medications.

Interactions

Theoretical interactions with antihypertensive medications and any drug affecting dopaminergic pathways. Specific clinical data are limited.

Food sources

Soursop fruit

Amount
Occasional culinary use; chronic intake discouraged
%DV
—

Frequently asked questions

Are acetogenin supplements safe?⌄

Long-term safety is questionable. Observational studies link chronic exposure to atypical parkinsonism.

Do they treat cancer?⌄

There is no high-quality human evidence that they treat cancer, and they should not replace proven treatments.

References

Acetogenin on Wikidata — Wikidata link

Acetogenin on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Acetogenin (PubMed search) — PubMed link

Track Acetogenin with Pilora

Set up dose reminders, check interactions, and join the community in the Pilora iPhone app.

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.