Genipap

Botanical

What is it

Genipap (Genipa americana) is a tropical American tree whose fruit has been used in food, indigenous body painting (turning skin blue-black), and traditional medicine. The active compounds include genipin and geniposide, also found in the related Chinese herb gardenia (Gardenia jasminoides).

Evidence for 2 uses

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

Antioxidant and anti-inflammatory (animal)

Mixed Evidence

Animal and cell studies suggest activity. Human clinical evidence is limited.

Hepatoprotection (traditional/animal)

Mixed Evidence

Traditional liver tonic use and animal study support. Human evidence is essentially absent.

How it works

Unripe genipap fruit contains genipin, which reacts with primary amines (in skin proteins) to produce a deep blue pigment. Genipin and geniposide have been studied in animal models for hepatoprotective, anti-inflammatory, and antidiabetic effects. Geniposide is also used as a chemical crosslinker in tissue engineering. Human clinical evidence is limited.

Dosage

No standardized human supplement dose for genipap is established.

When and how to take it

Eaten as food without specific timing. No supplement-specific guidance.

2 commercial forms

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

Genipap fruit

Tropical fruit eaten in Latin America.

Whole food.

Genipin (extract)

Research compound and tissue-engineering reagent.

Used in research.

Safety

The ripe fruit is widely eaten and considered safe. High concentrated extracts of genipin are not well characterized for human safety.

Who should be cautious

Avoid concentrated extracts in pregnancy and breastfeeding. Topical body painting is not generally recommended for sensitive skin or in young children.

Interactions

Geniposide can be metabolized by gut bacteria into genipin; effects on hepatic enzymes are theoretically possible but not well documented.

Food sources

Genipap fruit

Amount
100 g
%DV
—

Frequently asked questions

Is genipap related to gardenia?⌄

Yes. Both contain geniposide and genipin and are in the same plant family (Rubiaceae).

Why is the fruit used for body painting?⌄

Genipin in the unripe fruit reacts with skin proteins to produce a deep blue-black temporary tattoo, used in some indigenous Amazonian traditions.

References

Genipap on Wikidata — Wikidata link

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

Research on Genipap (PubMed search) — PubMed link

Track Genipap 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.