# Sanguinarine (Benzophenanthridine Alkaloid)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/sanguinarine
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** Compound
**Also Known As:** 13-methyl[1,3]benzodioxolo[5,6-c]-1,3-dioxolo[4,5-i]phenanthridinium, Pseudochelerythrine, Sanguinarin, Bloodroot alkaloid, Red puccoon alkaloid, Indian paint alkaloid, Benzophenanthridinium alkaloid

## Overview

Sanguinarine is a benzophenanthridine alkaloid derived from bloodroot (Sanguinaria canadensis) that demonstrates anticancer properties through apoptosis induction and cell cycle arrest. This quaternary ammonium alkaloid primarily targets DNA intercalation and topoisomerase inhibition pathways.

## Health Benefits

• May inhibit cancer cell growth in laboratory studies - shown to suppress colony formation and induce apoptosis in lung cancer cell lines (H1299, H1975, H460, A549) (preliminary evidence only)
• Demonstrates anti-metastatic properties in vitro - inhibits migration and invasion of cancer cells through EMT reversal mechanisms (cell culture studies only)
• Shows potential anti-angiogenic effects - reduces VEGF expression with favorable docking scores (-9.0) in computational models (no human trials)
• Induces cell cycle arrest - causes G0-G1 phase arrest in prostate cancer cells at 0.1-2 μmol/L concentrations (PMID: 15299076, in vitro only)
• Acts as natural LSD1 inhibitor - may affect gene expression through histone modification pathways (laboratory evidence only)

## Mechanism of Action

Sanguinarine intercalates with DNA double helix structure, disrupting normal replication and transcription processes. The compound inhibits topoisomerase I and II enzymes, leading to DNA strand breaks and subsequent activation of p53-mediated apoptotic pathways. Additionally, sanguinarine modulates [NF-κB](/ingredients/condition/inflammation) signaling cascades and induces G1/S cell cycle arrest through cyclin-dependent kinase inhibition.

## Clinical Summary

Current evidence for sanguinarine is limited to preclinical laboratory studies using cancer cell lines. In vitro research shows IC50 values ranging from 2-8 μM against lung cancer cells (H1299, H1975, H460, A549), with colony formation reduced by 60-80% at these concentrations. Animal studies demonstrate tumor growth inhibition of 40-55% in xenograft models, but no human clinical trials have been conducted. The evidence remains preliminary and requires clinical validation for therapeutic applications.

## Nutritional Profile

Sanguinarine is not a nutrient but a toxic quaternary benzophenanthridine alkaloid (molecular formula: C₂₀H₁₄NO₄⁺, MW: 332.33 g/mol). It is a bioactive secondary metabolite, not consumed for nutritional value. Key biochemical characteristics: • Found naturally in plants of the Papaveraceae family, particularly Sanguinaria canadensis (bloodroot), Chelidonium majus (greater celandine), Macleaya cordata (plume poppy), and Argemone mexicana (Mexican prickly poppy). Concentrations in bloodroot rhizome range from approximately 1–6% dry weight. • Primary bioactive form: quaternary ammonium cation; exists in charged (iminium) and pseudobase (alkanolamine) forms depending on pH — the charged form predominates at physiological pH and intercalates DNA. • Bioavailability: Oral bioavailability is considered low-to-moderate due to significant first-pass hepatic [metabolism](/ingredients/condition/weight-management); sanguinarine is rapidly metabolized to dihydrosanguinarine (reduced form) in the liver and GI tract. Protein binding is high (binds strongly to serum albumin and tissue proteins). It accumulates preferentially in liver and GI tissues. • No macronutrient value (zero calories, protein, fat, carbohydrate, or fiber). • No vitamin or mineral content. • Key related co-occurring alkaloids in source plants: chelerythrine (structurally analogous benzophenanthridine), berberine, protopine, allocryptopine, and chelidonine — these may contribute to synergistic or additive bioactivity. • Typical research doses in cell culture studies: 0.5–10 µM; animal study doses: 1–10 mg/kg body weight. Human exposure is primarily through dental products (toothpastes/mouthwashes historically contained ~0.03% sanguinarine extract, now largely discontinued due to association with oral leukoplakia). • Safety note: Sanguinarine is cytotoxic and classified as a toxin at higher doses. It inhibits Na⁺/K⁺-ATPase, disrupts [mitochondrial function](/ingredients/condition/energy), and has caused epidemic dropsy when consumed via Argemone oil-contaminated mustard oil. LD₅₀ in rats (intravenous): ~28 mg/kg. Not approved as a dietary supplement or food additive by FDA/EFSA.

## Dosage & Preparation

No clinically studied dosage ranges are available as human clinical trials have not been conducted. Laboratory studies used concentrations of 0.1-2 μmol/L in cell cultures, but these cannot be translated to human dosing. Sanguinarine is not considered safe for clinical use due to toxicity concerns. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Sanguinarine exhibits significant toxicity concerns due to its DNA-intercalating properties, with potential for cellular damage in healthy tissues. The compound may interact with chemotherapy drugs and anticoagulants through cytochrome P450 enzyme modulation. Topical applications can cause severe skin irritation and tissue necrosis at concentrations above 0.1%. Pregnancy and breastfeeding safety is unknown, and use should be avoided due to potential teratogenic effects from DNA intercalation mechanisms.

## Scientific Research

Current evidence is limited entirely to in vitro and animal studies, with no human clinical trials published. Key studies include prostate cancer research (PMID: 15299076) showing dose-dependent growth inhibition at 0.1-2 μmol/L, and multiple lung cancer cell line investigations using MTT assays, wound healing assays, and transwell assays. No Phase I, II, or III human trials exist.

## Historical & Cultural Context

Historical context and traditional use are not detailed in the available literature. While the source plant Sanguinaria canadensis is native to North America, suggesting potential use in Indigenous medicine systems, specific traditional applications are not documented in the research provided.

## Synergistic Combinations

Not applicable - sanguinarine is not safe for human supplementation

## Frequently Asked Questions

### What is sanguinarine's mechanism against cancer cells?

Sanguinarine intercalates with DNA and inhibits topoisomerase enzymes, causing DNA strand breaks and triggering apoptosis. The compound also arrests cell cycle progression at G1/S phase and suppresses NF-κB signaling pathways that promote cancer cell survival.

### How effective is sanguinarine against lung cancer cells?

Laboratory studies show sanguinarine inhibits lung cancer cell growth with IC50 values of 2-8 μM across multiple cell lines (H1299, H1975, H460, A549). Colony formation is reduced by 60-80% and cell migration decreases significantly, though human trials are lacking.

### What are sanguinarine's side effects and safety concerns?

Sanguinarine can cause severe skin irritation and tissue necrosis when applied topically above 0.1% concentration. Its DNA-intercalating properties raise concerns about potential toxicity to healthy cells and unknown interactions with medications metabolized by liver enzymes.

### Where does sanguinarine come from naturally?

Sanguinarine is primarily extracted from bloodroot (Sanguinaria canadensis) root systems, where it serves as a natural defense compound. The alkaloid is also found in other Papaveraceae family plants including greater celandine and Mexican prickly poppy.

### Has sanguinarine been tested in human cancer trials?

No human clinical trials have evaluated sanguinarine for cancer treatment despite promising laboratory results. Current evidence comes only from cell culture studies and animal xenograft models showing 40-55% tumor growth inhibition, requiring clinical validation for therapeutic use.

### What is the current evidence quality for sanguinarine's anti-cancer effects in humans?

Current evidence for sanguinarine's anti-cancer effects is limited to laboratory and cell culture studies, with no completed human clinical trials published to date. While in vitro research shows promise in suppressing lung cancer cell lines and reversing epithelial-mesenchymal transition, these preliminary findings have not been validated in human populations. Any claims about human efficacy remain speculative until rigorous clinical trials are conducted and peer-reviewed results are available.

### What plant sources naturally contain sanguinarine, and can dietary intake provide therapeutic levels?

Sanguinarine is a benzophenanthridine alkaloid found in plants of the Papaveraceae and Rutaceae families, including bloodroot, prickly ash, and certain citrus species. However, dietary intake from natural food sources typically provides only trace amounts, making it unlikely to achieve the concentrations used in laboratory studies without supplementation or extraction. The alkaloid's bioavailability and stability in the digestive system further limit the practical therapeutic potential of dietary sources alone.

### Who should avoid sanguinarine supplementation, and are there specific populations at higher risk?

Sanguinarine should be avoided by pregnant and nursing women, as safety data in these populations is lacking and alkaloids can cross the placental barrier. Individuals with liver or kidney impairment should exercise caution, as these organs are responsible for metabolizing alkaloid compounds. People taking chemotherapy agents or immunosuppressants should consult healthcare providers before use, given sanguinarine's potential biological activity and unknown interaction profile with cancer treatments.

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