Sassafras tea has been used in traditional medicine for centuries, but modern science reveals serious safety concerns about this herbal beverage. Health professionals strongly advise against consuming sassafras tea due to the presence of safrole, a toxic compound that the FDA has banned from use in food and beverages.
Understanding the risks associated with sassafras tea is crucial for anyone considering trying this traditional remedy. While the plant has a long history of use in folk medicine, current research indicates that the potential dangers far outweigh any purported benefits.
What Is Sassafras Tea?
Sassafras is a deciduous tree native to North America and parts of Eastern Asia. The tree is characterized by its aromatic bark, distinctive leaves, and pleasant fragrance. Historically, various parts of the sassafras tree—including the roots, bark, and leaves—have been used to make tea and other preparations.
Native Americans and early European settlers in North America used sassafras for medicinal purposes and as a flavoring agent. The root bark was particularly popular for brewing tea, which was believed to have various health benefits. However, modern scientific analysis has revealed concerning information about the safety of consuming sassafras products.
The Safrole Problem: Why Sassafras Tea Is Dangerous
The primary concern with sassafras tea is the presence of safrole, a naturally occurring organic compound found in sassafras oil. Safrole is not just mildly problematic—it poses serious health risks that have led to regulatory action.
The Food and Drug Administration banned safrole for use in human food products in 1960 after research demonstrated its toxic properties. This ban specifically targets safrole as a food additive, making it illegal to sell foods or beverages containing this compound in the United States.
Carcinogenic Properties
The National Toxicology Program has classified safrole as “reasonably anticipated to be a human carcinogen.” This classification is based on extensive animal studies that have demonstrated troubling results. Multiple research studies conducted on laboratory mice have shown that safrole exposure can lead to liver tumor development and cancer growth.
While direct human studies are limited due to ethical concerns, the animal research provides compelling evidence of carcinogenic risk. The mechanism by which safrole may cause cancer involves its metabolism in the liver, where it converts into compounds that can damage DNA and potentially trigger cancerous changes in cells.
Liver Toxicity
Beyond cancer risk, safrole exhibits direct toxic effects on the liver. Sassafras oil is considered extremely toxic to humans, and consumption can lead to liver damage. Even small amounts consumed regularly over time may accumulate and cause harm to liver tissue.
The liver is responsible for metabolizing many substances we consume, but when faced with safrole, this process can produce harmful metabolites that damage the organ itself. This creates a particular concern for anyone with existing liver conditions or compromised liver function.
Potential Side Effects and Symptoms
If someone consumes sassafras tea, they may experience various adverse effects. The severity and type of symptoms can vary based on the amount consumed and individual sensitivity.
Immediate Reactions
Some people may experience immediate adverse reactions after consuming sassafras tea, including:
- Nausea and vomiting
- Dizziness or confusion
- Excessive sweating
- Rapid heartbeat
- Hot flashes
- Mouth numbness
Long-Term Health Consequences
The more serious concerns relate to long-term exposure to safrole through regular consumption of sassafras tea:
- Increased cancer risk, particularly liver cancer
- Cumulative liver damage
- Potential reproductive harm
- Neurological effects
If you have consumed sassafras tea and experience any concerning symptoms, discontinue use immediately and seek medical attention. Contact a poison control center or emergency services if you experience severe reactions.
The Myth of Health Benefits
Despite traditional claims about the health benefits of sassafras tea, scientific evidence supporting these claims is extremely limited and does not justify the serious health risks.
Anti-Inflammatory Claims
Some traditional medicine practices claim that sassafras tea has anti-inflammatory properties. However, reputable medical institutions, including the Memorial Sloan Kettering Cancer Center, state that there is no credible scientific research supporting the use of sassafras for treating inflammation.
Other safer and scientifically validated anti-inflammatory options are available without the cancer risk associated with sassafras.
Diuretic Properties
Historical records from the 18th century list sassafras among plants with diuretic properties. While some compounds isolated from sassafras may have shown such effects in laboratory settings, these studies used concentrated, isolated compounds—not sassafras tea as it would typically be prepared and consumed.
Moreover, many safe and effective diuretic options exist that don’t carry the health risks of sassafras. Anyone seeking diuretic effects for medical reasons should consult with a healthcare provider about appropriate options.
Other Traditional Uses
Sassafras has been traditionally used for various purposes, including as a blood purifier, spring tonic, and treatment for skin conditions. However, none of these uses have substantial scientific backing, and the risks of consumption remain unchanged regardless of the intended purpose.
Some test-tube studies have examined isolated compounds from sassafras bark for potential antiparasitic properties, but these laboratory findings do not translate to safe or effective use of sassafras tea in humans. Anyone dealing with parasitic infections should seek proper medical treatment rather than attempting self-treatment with potentially dangerous herbal remedies.
Safrole-Free Sassafras Products
In response to the FDA ban and safety concerns, some manufacturers have developed safrole-free sassafras products. These products undergo processing to remove safrole from the sassafras extract.
While safrole-free sassafras products are considered safer than traditional sassafras tea, several considerations remain:
- The processing may not remove 100% of the safrole
- Other potentially harmful compounds may still be present
- The actual health benefits of safrole-free sassafras remain unproven
- Quality control and safrole content can vary between manufacturers
If you’re considering using a safrole-free sassafras product, consult with a healthcare provider first and ensure the product comes from a reputable manufacturer that can provide testing documentation confirming safrole removal.
Legal Status and Availability
Due to the FDA ban on safrole in food products, commercially sold sassafras tea products in the United States should theoretically be safrole-free. However, enforcement can be inconsistent, and some products may still contain safrole, particularly those sold through informal channels or marketed as supplements rather than food products.
Sassafras trees still grow wild in many parts of North America, and some people harvest the roots or bark to make their own tea. This practice is particularly dangerous because homemade preparations contain the full amount of safrole naturally present in the plant.
Safe Alternatives to Sassafras Tea
If you’re interested in herbal teas for health purposes, many safer alternatives exist that don’t carry the serious risks associated with sassafras:
- Ginger tea: Well-documented anti-inflammatory and digestive benefits
- Chamomile tea: Calming properties with an excellent safety profile
- Peppermint tea: Digestive support without safety concerns
- Green tea: Antioxidant properties backed by extensive research
- Hibiscus tea: May support cardiovascular health
- Dandelion root tea: Traditional diuretic properties with better safety data
Before using any herbal remedy, even those generally considered safe, it’s wise to consult with a healthcare provider, especially if you have existing health conditions, take medications, or are pregnant or nursing.
What to Do If You’ve Consumed Sassafras Tea
If you have consumed sassafras tea in the past, don’t panic. A single exposure or occasional use in the past doesn’t guarantee harm, though it does represent unnecessary risk. The cancer risk is associated more strongly with regular, long-term consumption.
However, you should:
- Discontinue use immediately
- Inform your healthcare provider about your sassafras consumption
- Monitor for any unusual symptoms
- Follow your doctor’s recommendations for any necessary monitoring or testing
If you’re experiencing symptoms after consuming sassafras tea, seek medical attention promptly. Be prepared to tell healthcare providers what you consumed, how much, and when.
The Bottom Line on Sassafras Tea Safety
The scientific consensus is clear: the risks of sassafras tea consumption outweigh any potential benefits. The presence of safrole, a banned carcinogenic compound, makes sassafras tea unsafe for human consumption. Despite its history in traditional medicine, modern understanding of the plant’s chemistry reveals serious health hazards.
The FDA ban on safrole in food products reflects the gravity of these concerns. While limited research has explored potential benefits of isolated sassafras compounds, no credible evidence supports consuming sassafras tea as a health remedy.
Health professionals universally advise against drinking sassafras tea. If you’re seeking natural remedies for health concerns, numerous safer alternatives exist with better safety profiles and more substantial scientific support. Always consult with a qualified healthcare provider before using herbal remedies, and prioritize evidence-based treatments for medical conditions.
Your health and safety should always come first. No unproven traditional remedy is worth risking cancer or liver damage, especially when safer options are readily available.
Sources:
- U.S. Food and Drug Administration – Code of Federal Regulations on Safrole
- National Toxicology Program – Report on Carcinogens: Safrole
- Memorial Sloan Kettering Cancer Center – Sassafras Information
- PubMed – National Library of Medicine Research Database
- National Institute of Environmental Health Sciences
⚕️ Medical Disclaimer
This content is for informational purposes only and does not constitute medical advice. The information provided has not been evaluated by the Food and Drug Administration (FDA) and is not intended to diagnose, treat, cure, or prevent any disease.
Always consult with a qualified healthcare professional before making any changes to your diet, taking supplements, or starting any health regimen. Individual results may vary.

