Sleep Gummies Ingredient Derived From Cannabis Shows Dependence Signals

A cannabis-derived ingredient used in some sleep gummies may be less harmless than its marketing implies.

In a new mouse study, repeated exposure to cannabinol, or CBN, led to signs of tolerance and physical dependence.

The results raise concerns about routine use of CBN supplements, though they do not show that people would experience the same effects. Researchers say the compound’s long-term safety is still not well understood.

Scientists at the University of Connecticut published the study in Drug and Alcohol Dependence. Their work examined how animals reacted to CBN, a lesser-known cannabis compound often marketed alongside CBD products.

CBN is not the same as THC, the main compound behind cannabis’s intoxicating effects. Even so, both substances may act on some of the same biological systems involved in drug responses.

In the experiments, mice were given CBN twice a day for three straight days. As exposure continued, the animals became less responsive to the same compound, which is consistent with tolerance.

After the CBN was stopped, the mice showed behaviors such as head twitching and paw fluttering. In the animal model, these were interpreted as withdrawal-like signs.

The researchers also tested mice trained to tell THC apart from other substances. Those animals reacted to CBN in a similar manner, suggesting the two compounds share some effects.

Taken together, the findings indicate that CBN may interact with biological pathways associated with THC. But mouse behavior cannot determine whether a person would develop addiction or meaningful withdrawal symptoms.

That distinction is important because CBN is often promoted as a mild aid for relaxation or sleep. Marketing claims have spread more quickly than solid evidence on repeated use.

The study did not show whether CBN helps human sleep, what amounts people typically absorb from commercial gummies, or whether dependence develops under normal use.

Physical dependence is not the same as addiction. Dependence refers to bodily changes that occur after repeated exposure, while addiction also includes compulsive use despite harm. The animal tests measured dependence-related behavior, not the full human condition of addiction.

The findings also should not be taken to mean that all cannabis-derived compounds carry the same risks. CBN, CBD and THC have different effects, and each substance needs to be studied on its own.

The researchers say more work is needed before long-term safety claims can be made. For now, the results are an early warning from animal research, not proof that CBN sleep products cause addiction in humans.

For broader related reading, please see articles about Large Study Finds Strong Link Between Cannabis Addiction and Depression, and Medicinal Cannabis May Not Help Lower Anxiety or Depression Study Finds.

For more related background, please read articles about Why Many Chronic Pain Patients Stop Using Medical Cannabis Within a Year, and The natural supplements for sound sleep.

Source: University of Connecticut.