Kava and kratom are two plant-based supplements that have gained significant attention as people search for a natural alternative to prescription medications for relaxation, stress management, and pain relief. Although they are often mentioned together, there are important differences between these two botanicals. Understanding kava vs kratom is essential because they work differently in the body, have different safety profiles, and carry different legal and health considerations.
When comparing kava and kratom, consumers should look beyond marketing claims and focus on scientific evidence, potential benefits, and documented risks. While both kava and kratom are commonly consumed in various parts of the world, they are associated with distinct health concerns, including possible drug interactions, liver toxicity, and the potential for physical dependence.
What Is Kava?
The kava plant, scientifically known as Piper methysticum, is a plant native to the islands of the South Pacific. For centuries, communities have prepared beverages from the kava root, traditionally mixing it with water or coconut milk during ceremonies and social gatherings. Today, people continue drinking kava in traditional settings as well as in modern kava bars throughout the United States.
The primary active compounds in kava are kavalactones. These compounds influence the central nervous system and are believed to contribute to the plant’s calming effects. Unlike alcohol, kava generally does not produce substantial cognitive impairment when used appropriately, although it can cause drowsiness and reduced reaction time.
Many individuals use kava for:
- Stress relief
- Anxiety management
- To promote relaxation
- Sleep support
Research has shown that standardized kava extracts may help reduce symptoms of generalized anxiety in some individuals. However, evidence varies depending on product quality and dosage.
According to the National Center for Complementary and Integrative Health, research suggests kava may provide modest benefits for anxiety, but more high-quality studies are needed to fully establish its effectiveness.[1] The organization also warns about important safety concerns, particularly regarding rare but serious liver injury.
What Is Kratom?
Kratom comes from the Mitragyna speciosa tree, a tropical evergreen tree that grows in Southeast Asia, including Thailand, Indonesia, and Malaysia. For generations, workers in these regions have chewed kratom leaves or brewed them into tea.
Today, consumers purchase kratom in capsules, powders, extracts, gummies, and beverages marketed for wellness or performance enhancement.
The primary active compounds in kratom are mitragynine and 7-hydroxymitragynine. These compounds affect several systems in the body. Importantly, kratom acts on opioid receptors, which explains many of its effects and many of its risks.
Unlike kava, the effects of kratom change depending on dosage:
- Low doses may produce mild stimulant effects, increased alertness, and improved focus.
- Higher doses often produce sedative effects, relaxation, and opioid like effects, including pain reduction.
Many people report using kratom for:
- Energy and pain relief
- Chronic discomfort
- Mood enhancement
- Opioid withdrawal
- Self-directed addiction recovery
However, the scientific evidence supporting these uses remains limited, and many experts caution against unsupervised use. The FDA released a statement that says, “FDA has warned consumers not to use kratom because of the risk of serious adverse events, including liver toxicity, seizures, and substance use disorder (SUD).”[2] In other words, kratom is not safe to use, even if you are using it for “medicinal” purposes.
Kava vs Kratom: The Biggest Differences
When evaluating kava and kratom, several distinctions become clear.
First, these botanicals come from completely different plant families. Kava originates from the Piper methysticum plant, while kratom comes from the Mitragyna speciosa tree.
Second, they work differently in the body. Kava primarily influences neurotransmitter systems involved in relaxation, whereas kratom acts directly on opioid receptors, producing effects that resemble certain opioid drugs.
Third, their primary purposes differ. Kava is generally used for relaxation and anxiety, while kratom is often marketed for pain relief, energy, and mood enhancement.
Finally, their risk profiles differ considerably. Although neither kava nor kratom is completely risk-free, kratom carries a substantially greater concern for kratom addiction, physical dependence, and substance misuse.
How Do They Affect the Brain?
Understanding how kratom and kava influence the brain helps explain their different effects.
Kava’s kavalactones interact with several neurotransmitter systems that regulate anxiety and relaxation. These actions contribute to the herb’s calming effects without directly stimulating opioid receptors.
Kratom is much different. Its alkaloids bind to opioid receptors, although not identically to prescription opioids. This interaction explains why kratom use can reduce discomfort and produce feelings similar to opioids.
Because kratom affects these receptors, repeated use may result in physical dependence, making discontinuation difficult for some users.
Can Kava or Kratom Help with Pain?
One of the most common reasons people compare kratom and kava products is for pain relief.
Kratom has received attention because users frequently report improvements in chronic pain. Some researchers are investigating whether its compounds could eventually contribute to new medications. However, there is currently insufficient evidence to recommend kratom as a safe treatment for chronic pain, and no kratom products have been approved by the U.S. Food and Drug Administration for medical use.
Kava is not generally considered a pain medication. Instead, its relaxation properties may indirectly reduce muscle tension associated with stress.
Individuals experiencing chronic pain should consult a medical professional before using either supplement, particularly if they already take prescription medications.
Kava and Kratom Addiction Potential and Withdrawal
Perhaps the greatest difference in the kava vs kratom discussion involves dependence.
Current evidence suggests that kava has relatively low addiction potential compared with opioids or kratom. While some users may develop habitual use, clinically significant dependence appears uncommon.
Kratom presents a different picture.
Regular kratom use may lead to kratom addiction, although researchers continue debating appropriate diagnostic definitions. Repeated exposure can result in physical dependence, especially with daily or high-dose use.
People who stop kratom abruptly may experience withdrawal symptoms, including:[3]
- Anxiety
- Irritability
- Insomnia
- Sweating
- Muscle aches
- Nausea
- Restlessness
Some individuals also report opioid withdrawal symptoms, making discontinuation especially difficult after prolonged use. These symptoms resemble mild opioid withdrawal, although severity varies.
Because of these concerns, anyone experiencing problematic kratom use should seek professional support through an addiction treatment provider rather than attempting withdrawal alone.
Safety Concerns and Health Risks
Both botanicals carry important health risks, although the nature of those risks differs.
Kava Safety
The biggest concern surrounding kava involves possible liver toxicity and liver damage. Although severe liver injury appears uncommon, documented cases have prompted regulatory warnings in several countries.
Risk factors may include:
- Poor-quality kava products
- Contamination with harmful substances
- Existing liver disease
- Heavy alcohol use
- Certain medications
Kratom Safety
Kratom presents broader significant health risks.
Reported adverse effects include:
- Increased heart rate
- Elevated blood pressure
- Nausea
- Constipation
- Seizures
- Confusion
- Respiratory depression at high doses
According to the U.S. Food and Drug Administration, some kratom products have also been contaminated with heavy metals and bacterial pathogens.[2]
When evaluating kava and kratom, healthcare providers generally consider kratom to pose significant health risks because of dependence potential, product inconsistency, and documented toxicity.
Drug Interactions
Another important consideration is drug interactions.
Both supplements can interact with other substances, particularly medications affecting the central nervous system.
Potential interactions include:
- Anxiety medications
- Sleep medications
- Opioids
- Antidepressants
- Blood pressure medications
- Alcohol
Kratom interacts with liver enzymes responsible for metabolizing numerous medications, increasing the potential for unexpected side effects.
Likewise, combining kava with alcohol or sedatives can increase drowsiness and accident risk.
Healthcare providers generally recommend avoiding combining kratom with opioids or sedatives because of potentially dangerous respiratory effects.
Is It Safe to Combine Kava and Kratom?
Some online communities discuss combining kava and kratom in an attempt to balance stimulation with relaxation.
However, there is little clinical research evaluating the safety of combining kratom and kava.
Because both substances influence the central nervous system, combining them may increase dizziness, sedation, impaired coordination, and unpredictable side effects.
Until more evidence becomes available, most experts recommend avoiding combining kava with kratom unless under appropriate medical oversight.
Legal Status of Kratom and Kava Products
Legal status varies considerably.
Kava remains legal throughout most of the United States.
Kratom occupies a more complicated legal position. It is federally legal in many areas but banned or restricted in several states and municipalities.
The Drug Enforcement Administration (also referred to as the Drug Enforcement Agency) has monitored kratom for years because of ongoing concerns regarding abuse potential and safety.
Although kratom is not currently scheduled under the federal Controlled Substances Act, the agency continues to evaluate available evidence.
Consumers should always verify local regulations before purchasing kratom products.
Current Statistics
Interest in both botanicals continues to grow.
The National Center for Complementary and Integrative Health estimates that approximately 14% of U.S. adults use some form of herbal supplement each year, reflecting continued interest in natural remedy options.[1]
A 2021 national survey published in the journal Drug and Alcohol Dependence estimated that roughly 1.7 million Americans reported using kratom during the previous year, although prevalence varies by survey methodology.[2]
The U.S. Food and Drug Administration has documented hundreds of adverse event reports
involving kratom, while emphasizing that voluntary reporting systems cannot determine true incidence or establish causation.
These data highlight why researchers continue investigating both benefits and risks.
Which Is Better?
There is no universal winner in the kava vs kratom debate.
For individuals seeking occasional stress relief or to promote relaxation, kava has stronger evidence for anxiety reduction and appears to have a lower risk of addiction, although concerns regarding liver toxicity remain.
Kratom may provide subjective pain relief and increased energy for some users, but its interaction with opioid receptors, risk of physical dependence, and potential for kratom addiction make it a substantially more concerning option from a public health perspective.
Neither supplement should replace evidence-based medical care for chronic pain, anxiety disorders, or mental health conditions.
Get Connected to Help for Kava and Kratom Addiction
When comparing kava vs kratom, the differences are more important than the similarities. While both kava and kratom are plant-based supplements consumed around the world, they produce very different effects and carry different safety profiles.
Kava, derived from the kava plant, has traditionally been used to promote relaxation and may benefit some people experiencing anxiety when used responsibly. Kratom, sourced from the Mitragyna speciosa tree, produces dose-dependent stimulant and opioid-like effects that raise important concerns regarding dependence, withdrawal, and misuse.
Anyone considering either product should consult a medical professional, especially if they have existing medical conditions, take prescription medications, or have a history of drug abuse, substance misuse, or other mental health symptoms. Individuals pursuing addiction recovery or managing chronic pain should seek evidence-based care with appropriate medical oversight and professional support rather than relying solely on herbal products.
If you or a loved one suffers from kava or kratom addiction, it’s time to seek help. Contact Archstone Behavioral Health today to learn more about how we can help you recover.
Frequently Asked Questions
1. Is kava or kratom regulated by the FDA?
No. While the U.S. Food and Drug Administration (FDA) monitors both substances for safety concerns, neither kava nor kratom is approved by the FDA to diagnose, treat, cure, or prevent any disease. Dietary supplements are not subject to the same pre-market approval process as prescription medications, so product quality and ingredient consistency can vary significantly between manufacturers.
2. How can you tell if a kava or kratom product is high quality?
Choosing products from companies that provide third-party laboratory testing is one of the best ways to reduce the risk of contamination or inaccurate labeling. Reputable manufacturers typically make certificates of analysis available to consumers, showing testing for heavy metals, pesticides, microbes, and ingredient potency. Products with unclear ingredient lists or unrealistic health claims should be avoided.
3. Can kava or kratom cause a positive drug test?
Standard workplace drug tests do not typically screen for kava or kratom. However, specialized laboratory testing can detect kratom alkaloids when specifically requested. Because some herbal products may be contaminated or contain undisclosed ingredients, there is always a possibility of unexpected test results depending on the product used.
4. Are there people who should avoid both kava and kratom?
Yes. Pregnant or breastfeeding individuals, people with liver disease, those with a history of substance use disorder, and anyone taking medications that affect the brain or liver should avoid using these products unless advised by a qualified healthcare provider. Older adults and individuals with multiple chronic health conditions should also exercise caution due to the increased risk of adverse effects and drug interactions.
5. What should you do if you experience side effects after taking kava or kratom?
Stop using the product and contact a healthcare provider if you develop concerning symptoms such as severe drowsiness, confusion, difficulty breathing, jaundice, persistent vomiting, chest pain, or an allergic reaction. If symptoms are severe or life-threatening, seek emergency medical care immediately. Reporting adverse events to the FDA’s MedWatch program can also help improve consumer safety.
References:
- The National Center for Complementary and Integrative Health: Kava
- The Food and Drug Administration (FDA): FDA and Kratom
- ScienceDirect: Kratom withdrawal: Discussions and conclusions of a scientific expert forum






