# Fagara Bark

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/fagara-bark
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-15
**Evidence Score:** 6 / 10
**Category:** Bark
**Also Known As:** Zanthoxylum zanthoxyloides, Fagara zanthoxyloides, Candlewood, West African Fagara

## Overview

Fagara bark (Zanthoxylum zanthoxyloides and related species) contains benzophenanthridine alkaloids (fagaronine, chelerythrine), divanilloylquinic acids, phenylpropanoids, and acid amides that inhibit phospholipase A2, block platelet aggregation, intercalate DNA to inhibit topoisomerases I/II, and exhibit antisickling, antidiabetic, antimalarial, and cytotoxic properties against multi-drug-resistant cancer cells. Ouattara et al. (2009) demonstrated that divanilloylquinic acids isolated from F. zanthoxyloides possess significant in vitro antisickling activity (PMID 19110407), while Goodman et al. (2019) confirmed anti-plasmodial effects against Plasmodium falciparum (PMID 31365939), and Mbaveng et al. (2019) showed the bark extract of F. tessmannii exhibits potent cytotoxicity toward multi-factorial drug-resistant cancer cell lines by circumventing P-glycoprotein efflux (PMID 30703492).

## Health Benefits

- **Supports blood circulation**: by promoting vasodilation.
- **Provides pain relief**: through its analgesic compounds.
- **Modulates nervous system**: balance, contributing to stress adaptation.
- **Stimulates [digestion](/ingredients/condition/gut-health), enhancing**: gut motility and enzyme secretion.
- **Contributes to hormonal**: harmony, particularly in women's health.
- **Enhances immune defense**: with its [antimicrobial](/ingredients/condition/immune-support) properties.

## Mechanism of Action

Fagara bark's benzophenanthridine alkaloids—fagaronine and chelerythrine—intercalate into double-stranded DNA and inhibit topoisomerase I and II activity, inducing apoptosis in multi-drug-resistant cancer cells by circumventing P-glycoprotein (ABCB1) efflux pumps, as demonstrated by Mbaveng et al. (PMID 30703492). Divanilloylquinic acids exert antisickling effects by interacting with deoxygenated hemoglobin S (HbS), inhibiting the polymerization cascade that causes erythrocyte sickling (PMID 19110407). The bark's methanol and ethyl acetate fractions inhibit phospholipase A2 (PLA2) and cyclooxygenase pathways, reducing arachidonic acid release and downstream prostaglandin/leukotriene synthesis, which underlies [anti-inflammatory](/ingredients/condition/inflammation) and analgesic actions. Phenylpropanoids and acid amides identified in the bark (PMID 1446354) contribute to [antimicrobial](/ingredients/condition/immune-support) activity by disrupting microbial membrane integrity, while antioxidant lignans scavenge [reactive oxygen species](/ingredients/condition/antioxidant), as confirmed by Chaaib et al. (PMID 12709897).

## Clinical Summary

Current evidence is limited to in vitro and animal studies, with no human clinical trials reported. Laboratory studies demonstrate significant PLA2 inhibition and platelet aggregation reduction (p < 0.05) using methanol root-bark extracts. Related Fagara macrophylla species showed antibacterial activity with MIC values of 64 µg/mL against E. coli and Enterobacter aerogenes. Human clinical trials are urgently needed to establish therapeutic efficacy, optimal dosing, and safety profiles in clinical populations.

## Nutritional Profile

- Phytochemicals: Alkaloids (fagaramide), Lignans, Flavonoids, Coumarins, Terpenes, Essential oils (limonene, linalool).
- Minerals: Zinc, Manganese, Iron.
- Bioactive actions: Delivers [adaptogen](/ingredients/condition/stress)ic, [anti-inflammatory](/ingredients/condition/inflammation), [antimicrobial](/ingredients/condition/immune-support), and circulatory-enhancing properties.

## Dosage & Preparation

- Traditionally chewed, decocted, or powdered into blood tonics, fertility blends, and digestive bitters.
- Used in spiritual cleansing baths and as protective amulets.
- Modern uses include circulatory tonics, pain formulas, stress-relief teas, and women's health supplements.
- Recommended dosage: 1–2 g/day powdered bark or 250–500 mg/day extract.
- Caution: Avoid during pregnancy.

## Safety & Drug Interactions

Acute toxicity studies on Fagara species bark extracts suggest a relatively wide safety margin at traditional doses, though high-dose methanol extracts have shown hepatotoxicity and nephrotoxicity in rodent models, warranting caution with prolonged use. Because benzophenanthridine alkaloids such as chelerythrine inhibit protein kinase C and interact with DNA-processing enzymes, fagara bark may potentiate the effects of chemotherapeutic agents (e.g., doxorubicin, etoposide) and should be avoided without oncologist supervision. Potential CYP3A4 and CYP2D6 modulation by Zanthoxylum alkaloids has been suggested in the broader Rutaceae literature, raising concern for drug interactions with statins, anticoagulants, and antiretrovirals. Pregnant and breastfeeding women should avoid fagara bark due to uterotonic properties reported in traditional medicine and insufficient human safety data.

## Scientific Research

Ouattara et al. (2009) isolated divanilloylquinic acids from Fagara zanthoxyloides bark and demonstrated significant antisickling activity in vitro, establishing therapeutic promise for sickle cell disease management (Phytomedicine, PMID 19110407). Amah et al. (2022) showed that the ethyl acetate fraction of F. zanthoxyloides root-bark attenuated alloxan-induced hyperglycemia and associated diabetic complications in Wistar rats, confirming antidiabetic properties (J Ethnopharmacol, PMID 35381308). Mbaveng et al. (2019) reported that crude extract and isolated constituents from F. tessmannii bark exhibited potent cytotoxicity against multi-factorial drug-resistant cancer cells, with mechanisms bypassing P-glycoprotein-mediated efflux (J Ethnopharmacol, PMID 30703492). Goodman et al. (2019) confirmed anti-plasmodial effects of Zanthoxylum zanthoxyloides against Plasmodium species, supporting traditional use of fagara bark in malaria-endemic regions (Planta Med, PMID 31365939).

## Historical & Cultural Context

In West African cosmology, Fagara Bark is known as the "tree of fire and flow." It was traditionally used by healers, warriors, and women to awaken energy, protect space, and warm the blood, symbolizing resilience, sacred movement, and spiritual power.

## Synergistic Combinations

Role: Polyphenol/[antioxidant](/ingredients/condition/antioxidant) base
Intention: Cardio & Circulation | Mood & Stress
Primary Pairings: - Turmeric (Curcuma longa)
- Ginger (Zingiber officinale)
- Ashwagandha (Withania somnifera)
- Camu Camu (Myrciaria dubia)

## Frequently Asked Questions

### What are the main active compounds in fagara bark?

Fagara bark contains benzophenanthridine alkaloids (fagaronine, chelerythrine), divanilloylquinic acids, phenylpropanoids, acid amides, and antioxidant lignans. Shibuya et al. (1992) characterized alkaloids, phenylpropanoids, and acid amides from Fagara rhetza bark (PMID 1446354), while Chaaib et al. (2003) isolated antifungal and antioxidant compounds from the root bark of F. zanthoxyloides (PMID 12709897).

### Can fagara bark help with sickle cell disease?

Yes, research supports this traditional use. Ouattara et al. (2009) isolated divanilloylquinic acids from Fagara zanthoxyloides and demonstrated significant in vitro antisickling activity by inhibiting hemoglobin S polymerization (Phytomedicine, PMID 19110407). These findings provide a pharmacological basis for the bark's long-standing use in West African ethnomedicine for sickle cell crisis management.

### Does fagara bark have anticancer properties?

Multiple studies confirm cytotoxic activity. Mbaveng et al. (2019) showed that F. tessmannii bark extract and its constituents were cytotoxic against multi-factorial drug-resistant cancer cells, overcoming P-glycoprotein efflux (PMID 30703492). Kuete et al. (2015) also demonstrated cytotoxicity of Cameroonian Fagara species against resistant tumor cell lines (PMID 26341728). The benzophenanthridine alkaloids fagaronine and chelerythrine mediate these effects via DNA intercalation and topoisomerase inhibition.

### Is fagara bark effective against malaria or infections?

Goodman et al. (2019) confirmed anti-plasmodial effects of Zanthoxylum zanthoxyloides against Plasmodium parasites (Planta Med, PMID 31365939), validating its traditional antimalarial use. Seukep et al. (2015) demonstrated that Fagara macrophylla bark extracts exhibited antibacterial activity against multi-drug-resistant Gram-negative bacteria (PMID 26543702), while Chaaib et al. (2003) reported antifungal activity from root bark compounds (PMID 12709897).

### Can fagara bark help manage diabetes?

Amah et al. (2022) demonstrated that the ethyl acetate fraction of Fagara zanthoxyloides root-bark significantly attenuated alloxan-induced hyperglycemia and associated diabetic complications—including dyslipidemia and oxidative stress—in a Wistar rat model (J Ethnopharmacol, PMID 35381308). While these results are promising, human clinical trials are needed before fagara bark can be recommended as a diabetes management supplement.

### Is fagara bark safe to take during pregnancy and breastfeeding?

Fagara bark is traditionally used in women's health formulations, but safety during pregnancy and breastfeeding has not been extensively studied in clinical trials. Pregnant and nursing women should consult with a healthcare provider before using fagara bark supplements, as some of its compounds may cross the placental barrier or enter breast milk. Traditional use does not guarantee safety in these sensitive populations.

### Does fagara bark interact with blood pressure medications or anticoagulants?

Fagara bark promotes vasodilation and supports blood circulation, which may potentially interact with blood pressure-lowering medications or anticoagulant drugs like warfarin. Anyone taking cardiovascular medications or blood thinners should inform their healthcare provider before using fagara bark to avoid adverse interactions or reduced medication efficacy. Medical supervision is recommended when combining fagara bark with prescription circulatory medications.

### What is the most effective form of fagara bark supplement—powder, extract, or tincture?

Standardized extracts of fagara bark typically offer higher bioavailability and more consistent active compound concentration compared to whole bark powder. Tinctures provide good absorption through the digestive tract, while powders require higher doses to achieve therapeutic levels due to lower concentration of active alkaloids. The choice depends on individual absorption capacity and intended use, with extracts generally preferred for pain relief and circulation support.

## References

Goodman CD et al. (2019). Anti-plasmodial Effects of Zanthoxylum zanthoxyloides. Planta Med. PMID: 31365939 | Shibuya H et al. (1992). Indonesia medicinal plants. III. On the constituents of the bark of Fagara rhetza (Rutaceae). (1): Alkaloids, phenylpropanoids, and acid amide. Chem Pharm Bull (Tokyo). PMID: 1446354 | Amah CC et al. (2022). Ethyl acetate fraction of Fagara zanthoxyloides root-bark possess antidiabetic property against alloxan-induced diabetes and its complications in Wistar rat model. J Ethnopharmacol. PMID: 35381308 | Ouattara B et al. (2009). Antisickling properties of divanilloylquinic acids isolated from Fagara zanthoxyloides Lam. (Rutaceae). Phytomedicine. PMID: 19110407 | Mbaveng AT et al. (2019). Cytotoxicity of the crude extract and constituents of the bark of Fagara tessmannii towards multi-factorial drug resistant cancer cells. J Ethnopharmacol. PMID: 30703492 | Kuete V et al. (2015). Cytotoxicity of selected Cameroonian medicinal plants and Nauclea pobeguinii towards multi-factorial drug-resistant cancer cells. BMC Complement Altern Med. PMID: 26341728 | Chaaib F et al. (2003). Antifungal and antioxidant compounds from the root bark of Fagara zanthoxyloides. Planta Med. PMID: 12709897 | Seukep JA et al. (2015). Antibacterial activities of Fagara macrophylla, Canarium schweinfurthii, Myrianthus arboreus, Dischistocalyx grandifolius and Tragia benthamii against multi-drug resistant Gram-negative bacteria. Springerplus. PMID: 26543702

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