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Yes, You Can Take Too Much CBD — Here’s What Happens
Categories: CBD Livingfuture 
Published: December 13, 2021
Author: Kate Robertson
healthline
Truth Index®
90% Why?

Yes, You Can Take Too Much CBD — Here’s What Happens

CBD, or cannabidiol, has become more mainstream over the past few years, and for good reason. Clinical studies have found that, when administered correctly, hemp-derived CBD can help ease stress and promote life pleasure.*

Hemp-derived CBD delivers this sense of calm with a negligible amount of THC—the psychoactive compound in some cannabis strains.* These trace levels of THC in hemp (< 0.3% by U.S. law) mean that it should not make you feel high.

But unless you've tried hemp CBD yourself, it might be hard to imagine what it does feel like. So, we asked experts and real users for some insight.

How CBD works.

Adam Perlman, M.D., MPH, FACP, the director of Integrative Health and Wellbeing for the Mayo Clinic in Florida, tells mbg that hemp-derived CBD gets to work in the endocannabinoid system (ECS).

"The ECS is an important physiological system involved in controlling and maintaining human health, and cannabinoids like CBD interact with the ECS at two known receptors: CB1 and CB2," Perlman tells mbg.

CB1 receptors are found in the central nervous system (located in the brain and spinal cord), which controls the body's ability to move, feel sensations, have awareness, speak, etc. CB2 receptors oversee the peripheral nervous system, aka all the nerves outside the central nervous system (think organs, limbs, and skin).

That's the high-level distribution of these receptors, but in reality it's more nuanced: CB1 and CB2 receptors are much more broadly located in the body (not surprising, given the widespread role of the endocannabinoid system in overall health and wellness). 

As mbg's director of scientific affairs Ashley Jordan Ferira, Ph.D., RDN, explains, "While CB1 is concentrated heavily in the brain, you'll also find this receptor in the peripheral nervous system, GI tract, liver, reproductive organs, heart, and muscles. Similarly, while the CB2 is famous for its presence in the peripheral nervous system, it's also expressed in the spleen, immune cells, testes, and even the brain. So, not as black and white as originally thought."

Perlman explains that the ECS utilizes receptors (CB1 and CB2 and others) throughout the body "to regulate signals from and to our brains."

So where does the hemp phytocannabinoid CBD come in? According to Sheetal DeCaria, M.D., a double board-certified integrative pain physician with Revitalized Med Center, there are three subtypes of hemp CBD options out there—full-spectrum hemp, broad-spectrum hemp, and CBD isolate—and the main difference between them is the presence (or absence) of other naturally occurring plant compounds within the extract.

"If a CBD product contains several other naturally occurring cannabis plant extracts, such as other cannabinoids, it is full-spectrum CBD," DeCaria explains. Full-spectrum CBD may also include up to 0.3% THC, while broad-spectrum CBD is usually entirely free of THC. CBD isolate is just that, CBD, the singular phytocannabinoid from hemp, meaning it contains no other cannabis plant compounds. 

Ferira adds, "If you want a CBD product closest to the native hemp plant—the cannabinoids, terpenes, flavonoids, fatty acids, etc.—look for a full-spectrum oil or extract."

While our bodies generate their own endogenous cannabinoids, plant cannabinoids (aka phytocannabinoids), such as CBD, "can also work on our own ECS," resulting in a variety of beneficial effects that support balance and homeostasis in our body.*

These hemp cannabinoids have been shown to improve stress, uplift mood, and promote sleep quality, DeCaria tells mbg, adding research suggests that "CBD's health benefits may be greater when multiple compounds from the cannabis plant—like those found in full-spectrum formulas—are used together. However, large-scale studies are still limited."*

Common effects.

Although further research is needed, CBD and other hemp products show some promising potential health benefits.*

Its main claim to fame is its reputation for promoting feelings of calm, and many people take it to overcome the stressors of everyday life.* Case in point, a cross-sectional study of CBD users published this year in the Journal of Cannabis Research found that of the 387 current or past-CBD users who completed an online survey, 42.6% took CBD for self-perceived anxiousness.*

It also found that 42.5% of participants also reportedly used CBD to improve their sleep.* Back in 2019, a large case series explored the efficacy of CBD. Within the first month of regular usage, stress symptoms decreased in 57 of the 72 adult participants.* Forty-eight participants also reported an improvement in their sleep.* (However, it is worth noting these results fluctuated throughout the trial.)

What it should feel like, according to experts.

Each person is a unique entity, so one person's experience with CBD might look and feel completely different from another's. 

But while the effects of hemp CBD might feel different from one person to the next, medical doctor at USA Hemp Clara Lawson, M.D., guesses that part of the reason CBD is so popular is it allows consumers the opportunity to reap the health benefits of the Cannabis sativa hemp plant without feeling intoxicated or "high." "Typically, it makes users feel calmed and relaxed,"* Lawson tells mbg.

When taking CBD, Perlman adds that users may feel a noticeable reduction in feelings of anxiousness, increased alertness, and improvement in sleep quality (potentially because of that stress reduction).*

What it feels like, according to real experiences.

Now that the experts have relayed what CBD is supposed to feel like, we reached out to some everyday people to tell us what it actuallyfeels like.

Unsurprisingly, their experiences were unique, but for anyone interested in trying hemp products for themselves, their insight might be helpful in persuading you one way or another.

"My heart feels calmer."*

"I have been using [CBD] for stress and anxiousness for about 3 years now! With a few drops, it actually works within 10 minutes. My heart feels calmer. It doesn't make me sluggish or drowsy, which was a bonus! I'd like to say it lasts for a few hours, so by the time it runs its course, I've already calmed down and moved past the problem I was facing."*

—Tina


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