# Colchicine

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/colchicine
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 4 / 10
**Category:** Compound
**Also Known As:** N-[(7S)-1,2,3,10-tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide, Colchicum alkaloid, Autumn crocus extract, Meadow saffron alkaloid, Tropolone alkaloid, Glory lily alkaloid, Colchicina, Colchicinum, NSC-757

## Overview

Colchicine is an alkaloid derived from Colchicum autumnale that inhibits microtubule polymerization and neutrophil migration. It effectively treats acute gout attacks and prevents [cardiovascular](/ingredients/condition/heart-health) events through [anti-inflammatory](/ingredients/condition/inflammation) mechanisms.

## Health Benefits

• Acute gout flare treatment - Multiple RCTs demonstrate efficacy in reducing pain and inflammation when administered early (Strong evidence)
• Gout attack prevention - Long-term low-dose therapy (0.5-1.2 mg daily) effectively prevents recurrent attacks during urate-lowering therapy initiation (Strong evidence)
• Familial Mediterranean Fever management - Standard-of-care treatment preventing acute attacks and amyloidosis development (Strong evidence)
• [Cardiovascular](/ingredients/condition/heart-health) event reduction - LoDoCo trial suggests 0.5 mg daily may reduce major adverse cardiovascular events post-MI (Emerging evidence)
• [Anti-inflammatory](/ingredients/condition/inflammation) effects - Inhibits NLRP3 inflammasome activation and neutrophil migration through microtubule disruption (Mechanistic evidence)

## Mechanism of Action

Colchicine binds to tubulin and prevents microtubule polymerization, disrupting neutrophil chemotaxis and degranulation. This reduces inflammatory cell recruitment to affected tissues and decreases release of inflammatory mediators like IL-1β and TNF-α. The compound also inhibits NLRP3 inflammasome activation, providing broad [anti-inflammatory](/ingredients/condition/inflammation) effects.

## Clinical Summary

Multiple randomized controlled trials demonstrate colchicine's efficacy for acute gout treatment, with 0.6-1.2 mg daily reducing pain by 50% within 24-48 hours. The COLCOT trial (4,745 patients) showed 0.5 mg daily reduced major [cardiovascular](/ingredients/condition/heart-health) events by 23% in post-myocardial infarction patients. Long-term prevention studies indicate 0.5-0.6 mg daily reduces gout flare frequency by 70-85% during urate-lowering therapy initiation. Evidence quality is strong for gout applications and moderate for cardiovascular benefits.

## Nutritional Profile

Colchicine is a pharmaceutical alkaloid (C₂₂H₂₅NO₆, MW 399.44 g/mol), not a nutritional compound. It is a tricyclic tropane alkaloid originally derived from Colchicum autumnale (autumn crocus) and Gloriosa superba. It contains no macronutrients, vitamins, minerals, fiber, or protein of nutritional relevance. Key chemical features: • Active compound: Colchicine — a lipophilic alkaloid with three rings (trimethoxyphenyl ring A, seven-membered ring B, tropolone ring C with acetamide group). • Bioavailability: Oral bioavailability approximately 45% (range 24–88%), with rapid gastrointestinal absorption; peak plasma concentration (Cmax) reached in 0.5–2 hours. • Distribution: Large volume of distribution (~5–8 L/kg), extensive tissue binding, particularly to intracellular tubulin. Concentrates in leukocytes (especially neutrophils) at levels 16-fold higher than plasma. • [Metabolism](/ingredients/condition/weight-management): Primarily hepatic via CYP3A4-mediated demethylation; also a substrate of P-glycoprotein (P-gp) efflux transporter. Major metabolite: 2-O-demethylcolchicine and 3-O-demethylcolchicine (both less active). • Elimination half-life: 20–40 hours in plasma; however, leukocyte half-life is substantially longer (~60 hours), contributing to prolonged pharmacodynamic effects. • Enterohepatic recirculation: Significant; 10–20% of dose excreted unchanged in urine, with biliary/fecal excretion accounting for a major elimination route. • Typical therapeutic doses: 0.5–1.2 mg/day for prophylaxis; 1.2 mg followed by 0.6 mg one hour later for acute gout flare. • Narrow therapeutic index: Toxic dose is close to therapeutic dose; doses exceeding 0.5 mg/kg can be fatal. • Natural source concentration: Colchicum autumnale corms contain approximately 0.1–0.8% colchicine by dry weight; seeds contain up to 0.4–1.2%. Gloriosa superba tubers contain 0.7–1.2%. • No caloric value, no essential nutrient content. This is strictly a pharmacologically active compound, not a food or dietary supplement.

## Dosage & Preparation

Acute gout: 1.2 mg loading dose, then 0.6 mg hourly until relief (maximum 6 mg per flare). Gout prophylaxis: 0.5-1.2 mg daily. Familial Mediterranean Fever: 1-2 mg daily in divided doses. [Cardiovascular](/ingredients/condition/heart-health) prevention (emerging): 0.5 mg daily. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Common side effects include gastrointestinal upset (30-40% of users), diarrhea, and nausea, typically dose-dependent. Colchicine is metabolized by CYP3A4 and P-glycoprotein, requiring dose reduction with strong inhibitors like clarithromycin or cyclosporine. Contraindicated in severe renal or hepatic impairment due to accumulation risk and potential toxicity. Pregnancy category C with limited safety data, though short-term use may be acceptable when benefits outweigh risks.

## Scientific Research

Colchicine has FDA approval since 1961 for acute gout treatment and prophylaxis, with multiple RCTs supporting its efficacy. The LoDoCo trial and extensions demonstrate potential [cardiovascular](/ingredients/condition/heart-health) benefits at low doses (0.5 mg daily) in post-MI patients. Note: Specific PubMed PMIDs were not provided in the search results.

## Historical & Cultural Context

Colchicine-containing plants were documented in the Ebers Papyrus (circa 1500 BC) for treating rheumatism and swelling. Pedanius Dioscorides described Colchicum extract for gout treatment in De Materia Medica (1st Century AD), establishing its use in Greco-Roman medicine that continued through European folk traditions.

## Synergistic Combinations

Allopurinol, Febuxostat, Probenecid, NSAIDs, Corticosteroids

## Known Interactions

| Substance | Severity | Summary | URL |
|---|---|---|---|
| Grapefruit | MAJOR | 🔴 AVOID — Colchicine has a narrow therapeutic index. Grapefruit inhibits CYP3A4 and P-glycoprotein, elevating colchicine levels and risking severe multi-organ toxicity. | https://ingredients.hermeticasuperfoods.com/interactions/grapefruit |
| Allopurinol | SAFE | 🟢 SAFE — Colchicine and Allopurinol can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/allopurinol |
| Ondansetron | SAFE | 🟢 SAFE — Colchicine and Ondansetron can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/ondansetron |
| Loperamide | SAFE | 🟢 SAFE — Colchicine and Loperamide can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/loperamide |
| Ranitidine | SAFE | 🟢 SAFE — Colchicine and Ranitidine can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/ranitidine |
| Sildenafil | SAFE | 🟢 SAFE — Colchicine and Sildenafil can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/sildenafil |
| Tadalafil | SAFE | 🟢 SAFE — Colchicine and Tadalafil can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/tadalafil |
| Green Tea | SAFE | 🟢 SAFE — Colchicine and Green Tea can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/green-tea |
| Alcohol | SAFE | 🟢 SAFE — Colchicine and Alcohol can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/alcohol |
| Caffeine | SAFE | 🟢 SAFE — Colchicine and Caffeine can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/caffeine |
| Dark Chocolate | SAFE | 🟢 SAFE — Colchicine and Dark Chocolate can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/dark-chocolate |
| Fermented Foods | SAFE | 🟢 SAFE — Colchicine and Fermented Foods can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/fermented-foods |
| Dairy | SAFE | 🟢 SAFE — Colchicine and Dairy can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/dairy |
| Soy | SAFE | 🟢 SAFE — Colchicine and Soy can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/soy |
| Licorice Root | SAFE | 🟢 SAFE — Colchicine and Licorice Root can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/licorice-root |
| Pomegranate | SAFE | 🟢 SAFE — Colchicine and Pomegranate can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/pomegranate |
| Diphenhydramine | SAFE | 🟢 SAFE — Colchicine and Diphenhydramine can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/diphenhydramine |
| Dextromethorphan | SAFE | 🟢 SAFE — Colchicine and Dextromethorphan can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/dextromethorphan |
| Pseudoephedrine | SAFE | 🟢 SAFE — Colchicine and Pseudoephedrine can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/pseudoephedrine |
| Phenylephrine | SAFE | 🟢 SAFE — Colchicine and Phenylephrine can be taken together safely. | https://ingredients.hermeticasuperfoods.com/interactions/phenylephrine |

## Frequently Asked Questions

### How long does colchicine take to work for gout?

Colchicine typically provides pain relief within 12-24 hours when started early in a gout attack. Maximum effectiveness occurs within 24-48 hours, with 0.6-1.2 mg daily reducing pain intensity by approximately 50% compared to placebo.

### What is the typical colchicine dosage for gout prevention?

For gout prevention, the standard dose is 0.5-0.6 mg once or twice daily. This low-dose regimen reduces recurrent gout attacks by 70-85% when used during the first 6 months of urate-lowering therapy initiation.

### Can colchicine cause serious side effects?

While generally safe at therapeutic doses, colchicine can cause severe toxicity in overdose situations, including multi-organ failure. The most common side effects are gastrointestinal (diarrhea, nausea) occurring in 30-40% of users, typically manageable with dose reduction.

### Does colchicine interact with other medications?

Colchicine has significant interactions with CYP3A4 inhibitors like clarithromycin, erythromycin, and cyclosporine, requiring dose reduction to prevent toxicity. P-glycoprotein inhibitors such as cyclosporine and ranolazine also increase colchicine levels substantially.

### Is colchicine safe for cardiovascular patients?

The COLCOT trial demonstrated cardiovascular safety and efficacy, with 0.5 mg daily reducing major adverse cardiac events by 23% in post-MI patients. However, patients with severe kidney or liver disease should avoid colchicine due to accumulation risk.

### Is colchicine safe during pregnancy and breastfeeding?

Colchicine is generally considered compatible with breastfeeding, though small amounts may pass into breast milk. However, it should be used with caution during pregnancy, particularly in the first trimester, as animal studies have suggested potential reproductive concerns; pregnant women with gout or Familial Mediterranean Fever should consult their healthcare provider about risk-benefit assessment. Most clinical guidelines recommend continuing colchicine in pregnant women with Familial Mediterranean Fever due to the significant risks of untreated disease flares.

### What is the difference between colchicine for acute gout attacks versus preventive use?

Acute gout treatment uses higher doses of colchicine (typically 1.2 mg initially followed by 0.6 mg one hour later) administered immediately when symptoms begin to reduce inflammation and pain. Preventive use employs much lower daily doses (0.5-1.2 mg once or twice daily) taken continuously to suppress recurrent attacks, particularly during the first months of urate-lowering therapy. The acute regimen aims for rapid symptomatic relief over 24-48 hours, while the preventive regimen works long-term to reduce attack frequency and severity.

### How does colchicine work mechanically to reduce gout inflammation?

Colchicine inhibits microtubule polymerization by binding to tubulin, which disrupts the transport and assembly of inflammasome components in immune cells. This prevents the activation of the NLRP3 inflammasome and subsequent release of pro-inflammatory cytokines like interleukin-1β, which are key drivers of acute gout inflammation. By suppressing this immune cascade at the cellular level, colchicine effectively reduces pain, swelling, and inflammatory markers associated with gout flares.

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