# Gamboge

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/gamboge
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 8 / 10
**Category:** Resin
**Also Known As:** Garcinia hanburyi, GA (gambogic acid), GNA (gambogenic acid), NGA (neogambogic acid), Cambodian gamboge

## Overview

Gamboge resin from Garcinia hanburyi contains gambogic acid (GA), gambogenic acid (GNA), and neogambogic acid (NGA) as primary bioactive compounds. GA induces caspase-3/GSDME-dependent pyroptosis in cancer cells and demonstrates IC₅₀ values at submicromolar concentrations in preclinical studies.

## Health Benefits

- Acts as a potent purgative, traditionally used for intense gastrointestinal cleansing.
- Exhibits strong [antimicrobial](/ingredients/condition/immune-support) properties, traditionally used to combat infections and parasites.
- Demonstrates [anti-inflammatory](/ingredients/condition/inflammation) actions, particularly in topical applications.
- Supports [liver detox](/ingredients/condition/detox)ification by promoting bile flow and elimination (traditional use, but with caution).
- Contains compounds, like gambogic acid, that have shown cytotoxic activity in preliminary cancer research.

## Mechanism of Action

Gambogic acid induces caspase-3/GSDME-dependent pyroptosis in colorectal cancer cells, triggering antitumor immune responses through [T-cell](/ingredients/condition/immune-support) expansion and [memory](/ingredients/condition/cognitive) T-cell generation. It promotes apoptosis via intrinsic and extrinsic pathways, [autophagy](/ingredients/condition/longevity) through ROS-dependent Beclin-1/LC3 upregulation, and Akt-mTOR inhibition. Neogambogic acid inhibits bacterial EfaUPPS enzyme (IC₅₀ = 3.07 μM) by competing with substrate FPP, blocking undecaprenyl pyrophosphate biosynthesis.

## Clinical Summary

Current evidence is limited to preclinical in vitro and animal studies, with no published human clinical trials available. Gambogic acid demonstrated dose-dependent proliferation inhibition at 0-6 μM concentrations in oral squamous cell carcinoma cell lines. The epi-GBA epimer showed IC₅₀ values at submicromolar levels in MDA-MB-231 cells, inducing apoptosis with caspase-3/7 activation after 12 hours at 1 μM concentration. Animal studies showed 50% tumor growth reduction compared to controls, but human efficacy and safety data remain lacking.

## Nutritional Profile

- Xanthones: Gambogic acid (cytotoxic, [anti-inflammatory](/ingredients/condition/inflammation), [antimicrobial](/ingredients/condition/immune-support) properties).
- Phytochemicals: Flavonoids, polyphenols, tannins, saponins ([antioxidant](/ingredients/condition/antioxidant), antimicrobial, astringent).
- Resin acids: Compounds contributing to its purgative and anti-inflammatory effects.

## Dosage & Preparation

- Common forms: Raw resin, topical applications (pastes, balms).
- Traditional use: Drastic purgative and vermifuge; topically applied for infected wounds and [inflammatory](/ingredients/condition/inflammation) conditions.
- Modern application: Primarily for external use in traditional contexts; internal use is rare and strongly discouraged due to potential toxicity.
- Dosage: Internal consumption only under strict medical supervision; external use as needed for wound care.
- Contraindications: Significant potential for toxicity with internal use, including gastrointestinal distress.

## Safety & Drug Interactions

No human safety data or drug interaction studies are available for gamboge compounds, limiting clinical safety assessment. Preclinical research indicates gambogenic acid has lower systemic toxicity than gambogic acid, though specific adverse effect profiles remain unquantified. The potent cytotoxic mechanisms suggest risk of off-target cell damage through ROS induction and apoptosis pathways. Traditional use warnings indicate significant gastrointestinal distress and potential hepatotoxicity, contraindicated in pregnancy, liver disease, and gastrointestinal disorders.

## Scientific Research

Scientific and ethnopharmacological reviews validate Gamboge's strong purgative and [antimicrobial](/ingredients/condition/immune-support) properties. Gambogic acid, a key compound, has been studied for its cytotoxic, [anti-inflammatory](/ingredients/condition/inflammation), and antimicrobial actions in various in vitro and animal models. However, research consistently highlights significant risks associated with its internal use, including gastrointestinal distress and toxicity.

## Historical & Cultural Context

Gamboge has been used for centuries in Ayurvedic and Southeast Asian medicine as a drastic purgative and detoxifier. It was valued in Tibetan and Thai traditions for clearing “excess heat” and parasites, and is referenced in ancient texts like the Sushruta Samhita for its cathartic actions. Beyond medicine, its vibrant yellow color made it a prized pigment in Buddhist art.

## Synergistic Combinations

Role: Polyphenol/[antioxidant](/ingredients/condition/antioxidant) base
Intention: Immune & [Inflammation](/ingredients/condition/inflammation) | Detox & Liver
Primary Pairings: - Turmeric (Curcuma longa)
- Camu Camu (Myrciaria dubia)
- Maca Root (Lepidium meyenii)
- Cordyceps (Cordyceps militaris)

## Frequently Asked Questions

### What is the main active compound in gamboge resin?

Gambogic acid (C₃₈H₄₄O₈) is the primary bioactive compound, along with gambogenic acid and neogambogic acid. These compounds demonstrate potent anticancer effects through pyroptosis induction and antimicrobial activity via enzyme inhibition.

### How does gambogic acid work against cancer cells?

Gambogic acid induces caspase-3/GSDME-dependent pyroptosis in cancer cells, triggering immune responses through T-cell expansion. It also promotes apoptosis via multiple pathways, autophagy through ROS-dependent mechanisms, and inhibits the Akt-mTOR signaling pathway.

### Are there any human studies on gamboge safety?

No human clinical trials have been published for gamboge compounds, limiting safety data to preclinical animal studies. Traditional use reports indicate significant gastrointestinal distress and potential toxicity, requiring extreme caution for any internal use.

### What are the antibacterial effects of gamboge?

Neogambogic acid inhibits bacterial EfaUPPS enzyme with an IC₅₀ of 3.07 μM by competing with substrate FPP. This blocks undecaprenyl pyrophosphate biosynthesis, disrupting bacterial cell wall formation and demonstrating potent antimicrobial activity.

### Is gamboge safe for traditional medicinal use?

Gamboge carries significant safety risks including severe gastrointestinal distress and potential hepatotoxicity based on traditional use reports. Without human clinical data and given its potent cytotoxic mechanisms, internal use should be avoided and requires professional medical supervision.

### What is the recommended dosage of gamboge, and how often should it be taken?

Traditional dosing of gamboge resin typically ranges from 100–500 mg, though this varies significantly based on individual tolerance and the specific preparation form. Due to its potent purgative effects, gamboge should generally be taken in the lowest effective dose, often as a single dose rather than repeated daily use, and ideally under professional guidance. Most historical and traditional protocols recommend using gamboge intermittently rather than continuously to avoid harsh gastrointestinal stress and electrolyte depletion.

### Is gamboge safe during pregnancy, breastfeeding, or for young children?

Gamboge is not recommended during pregnancy or breastfeeding due to its strong purgative action, which may trigger uterine contractions or cause dehydration that could affect fetal development and milk production. It is also contraindicated in young children, as their developing digestive systems are particularly vulnerable to the intense cathartic effects of gamboge resin. Elderly individuals or those with compromised kidney or liver function should avoid gamboge without explicit medical supervision.

### Does gamboge interact with common medications, particularly digestive or cardiovascular drugs?

Gamboge may interact with medications that affect fluid and electrolyte balance, including diuretics and antihypertensive drugs, since its purgative action can increase potassium loss and dehydration. It may also interfere with the absorption of orally administered medications by accelerating intestinal transit time, potentially reducing their bioavailability. Anyone taking prescription medications should consult a healthcare provider before using gamboge, as its potent effects on the gastrointestinal tract could affect drug efficacy or safety.

## References

Sources: https://www.webmd.com/vitamins/ai/ingredientmono-666/gamboge; https://jntbgri.res.in/wp-content/uploads/2024/07/Chapter-11.pdf; https://www.rxlist.com/supplements/gamboge.htm
PubMed ID: (see study_urls); ScienceDirect (see study_urls); PMC Article PMC7603684
PubMed (ID: (see study_urls); ScienceDirect (DOI: (see study_urls); NCBI (PMC7603684)
PubMed (ID: (see study_urls); ScienceDirect (DOI: (see study_urls); NCBI (PMC7603684)
Sources: https://pubmed.ncbi.nlm.nih.gov/30871277/; https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6151406/; https://www.sciencedirect.com/science/article/abs/pii/S0378874119310153

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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