Low-dose CBD could damage the liver, FDA research warns

Even low doses of CBD may cause harm to the liver in some people, FDA study finds

Cannabidiol, often referred to as CBD, has experienced an impressive rise in popularity in the last ten years, as millions choose this non-intoxicating compound extracted from cannabis to alleviate anxiety, discomfort, sleeplessness, and various other ailments. Nevertheless, findings from a new investigation by the U.S. Food and Drug Administration (FDA) are highlighting new concerns regarding the possible health hazards linked to using CBD, especially its effect on liver performance, even in minimal amounts.

The study, which forms part of the FDA’s ongoing evaluation of cannabidiol’s safety profile, suggests that some individuals may experience liver damage or other adverse effects from CBD consumption, even when taken in amounts lower than those typically recommended for therapeutic use. This revelation adds to a growing body of research calling for more cautious and informed use of CBD products, particularly given the substance’s widespread availability in everything from oils and edibles to skincare and wellness products.

The widespread presence of CBD in conventional markets has surpassed scientific study and regulatory supervision. Although the 2018 Farm Bill legalized hemp-derived CBD nationwide, the FDA has persistently argued that additional thorough research is needed to comprehensively assess its safety, effectiveness, and suitable dosage standards. Up until this point, most worries regarding CBD’s possible adverse effects have focused on large dosages applied in medical environments, especially for treating disorders like epilepsy. Nonetheless, recent information from the FDA indicates that even those using CBD for overall well-being or sporadic comfort might accidentally be risking their liver health.

The liver plays a critical role in metabolizing substances that enter the body, including medications and supplements. Damage to this vital organ can be gradual and often goes unnoticed until it reaches more severe stages. The FDA’s research highlights that some individuals may develop elevated liver enzymes—a marker of liver stress or injury—even at lower CBD doses. While not everyone appears to be equally susceptible, this variability underscores the importance of understanding personal risk factors before using CBD regularly.

El estudio incluyó pruebas clínicas controladas y el análisis de los niveles de enzimas hepáticas en participantes que consumieron diferentes dosis de CBD durante un período prolongado. Los resultados mostraron que incluso niveles moderados de consumo podrían causar cambios bioquímicos indicativos de estrés hepático en algunas personas. Estos resultados plantean la cuestión de si la percepción común de que el CBD es un remedio natural y seguro para todos podría ser una simplificación excesiva.

In addition to the potential liver risks, the FDA also continues to warn about other possible side effects of CBD, including interactions with other medications. CBD is known to affect the way the body processes certain prescription drugs, including blood thinners and seizure medications, which could lead to unintended and sometimes dangerous consequences. The cumulative effect of multiple substances metabolized through the liver can heighten the risk of toxicity or adverse reactions.

The findings from the FDA study serve as a timely reminder of the need for comprehensive regulatory frameworks surrounding CBD products. Currently, the U.S. market for CBD remains largely unregulated, with varying quality standards, inconsistent labeling, and limited consumer protections. Many products sold online or in stores do not undergo rigorous testing for purity, potency, or contaminants, leaving consumers vulnerable to inaccurate dosing or exposure to harmful substances such as heavy metals, pesticides, or residual solvents.

Consumer demand for CBD continues to grow, driven in part by anecdotal reports and marketing claims that promote its benefits for stress relief, inflammation, sleep, and even chronic illness. However, the scientific community urges consumers to approach CBD use with caution until more definitive research is available. Without standardized dosing guidelines or clear safety thresholds, individuals may unknowingly misuse products or expose themselves to health risks that outweigh potential benefits.

The FDA has made clear that while certain CBD-based pharmaceuticals—such as Epidiolex, approved for rare forms of epilepsy—are backed by rigorous clinical trials and safety data, the vast majority of over-the-counter CBD products have not undergone similar scrutiny. As such, they remain outside the agency’s current approval for use as dietary supplements or food additives.

Experts in public health recommend that people thinking about using CBD—especially those with existing liver issues or those on other medications—should seek advice from healthcare experts prior to beginning any regimen. For those using CBD over an extended period, ongoing monitoring of liver health might also be wise, particularly as more information becomes available on the differences in individual reactions to the compound.

This information is particularly important considering the varied demographics of CBD consumers, which consist of not only adults looking for stress reduction or pain alleviation but also seniors, people with long-term health issues, and even pet owners administering CBD items for their animals. The possibility of liver-related adverse effects in these groups calls for increased caution.

The emerging concerns about CBD’s safety profile also highlight the need for clearer communication to the public about the difference between cannabis-derived products with established medical uses and commercially marketed wellness products whose claims are often not scientifically validated. Misinformation and exaggerated marketing contribute to unrealistic expectations and, potentially, to unsafe usage patterns.

The FDA has indicated that it will continue to research the effects of CBD while working to develop more robust guidelines for product labeling, dosage recommendations, and safety monitoring. Meanwhile, states and local governments are also exploring regulatory measures to close existing gaps and ensure that consumers have access to accurate information and safe products.

Due to the lack of widespread national regulations, certain initiatives from the private sector have arisen to tackle safety issues in the CBD industry. Independent certification schemes and laboratory tests by third parties are increasingly prevalent among trusted CBD producers, offering consumers more clarity about product quality and content. Despite being beneficial, these steps are optional and do not substitute the necessity for enforceable federal standards.

For consumers who already use CBD or are considering incorporating it into their wellness routines, the key takeaway from the FDA’s findings is to exercise caution, seek professional guidance, and remain informed about the latest research. Just because a substance is plant-derived or widely marketed as “natural” does not automatically guarantee its safety for every individual.

While the demand for CBD keeps growing, it is equally important for health authorities, producers, and users to base its usage on solid scientific evidence, not just market hype or personal stories. The development of a secure and trustworthy CBD market depends on ongoing studies, sensible regulations, and awareness for the public.

In the upcoming months, as additional information emerges and regulatory authorities update their stances, people can anticipate more transparency concerning the advantages and dangers of CBD. Meanwhile, using it with caution, mindfulness, and thoughtful evaluation will continue to be the wisest strategy.

By Isabella Walker