As recreational cannabis continues to become legal in more states, people are raising questions about the effects of the drug on overall health. Smoking cannabis is one thing, but what about edibles—food products that are infused with cannabis extract—like brownies, gummies, muffins, doughnuts and even peanut butter?
While there may be health benefits to edibles, there are also important things to consider if you’re going to consume them. Here’s what you need to know about how cannabis impacts your body when you consume it in food.
What Are Edibles?
The active ingredient in edibles is called tetrahydrocannabinol, known as THC, says Andrew Stolbach, M.D., M.P.H., an emergency physician and medical toxicologist at The Johns Hopkins Hospital in Baltimore.
Shortly after eating a food containing THC, you begin to absorb it in your bloodstream, says Stolbach. But there’s a catch: Absorption can be delayed, depending on how much of that edible you consumed and how much other food is in your stomach. That can be a big problem, says Stolbach, because people may not realize how much they’ve consumed until they begin to feel the full effects.
“Something that’s important to remember about edibles is that absorption is unpredictable,” says Stolbach. “People don’t experience peak effect for a while after eating, [which can be] minutes to hours—but usually hours.”
Just like food or medications, THC consumed via edibles is absorbed through the walls of your intestines. The more food that’s in your system—say, you ate a weed brownie as dessert following a big dinner out—the longer it will take for the THC to get absorbed. This is where edibles are majorly different from a joint: When you smoke THC, it immediately goes into your bloodstream, whereas you might not feel the full effect of THC you’ve consumed until hours later, says Stolbach.
While a desirable effect of THC is to feel more relaxed, says Stolbach, things can quickly take a turn for the worse if you accidentally overindulge. “Common overdose symptoms might be feelings of panic, a fast heart rate and anxiety,” he says. “These reactions can become severe.”
How Long Do Edibles Last?
Most edibles can take anywhere from two to three hours before you start to feel their full effects, and the effects of edibles can last anywhere from six or more hours with the strongest side effects usually occurring within three hours of ingestion. This is why it’s important to wait at least two hours after taking an edible to have any more (check out these tips to help you avoid overdoing it). Say that brownie tasted fantastic and you went back for seconds or thirds—at this point, excess calories and sugar are the least of your concerns. If that brownie contained a high dose of THC, you could be feeling the effects for as long as 12 hours, says Stolbach.
The type of edible you consume can impact how your body reacts to it. THC is fat-soluble, meaning it dissolves in fats to be absorbed in your intestines. That’s why many edibles are dessert foods, such as brownies or cookies, because they’re made with THC-infused fats. “The thing that makes me nervous about [THC] dissolved in butter is that if the solution is unequally [mixed], some parts of your brownie or cookie will have a lot more THC than other parts,” says Stolbach.
Regulation of Edibles
Some states require edibles to be labeled with the amount of THC per serving—such as individually wrapped packs of gummies. However, many bakeries and facilities producing edibles may not be tightly regulated when it comes to how much THC is in each serving of that product. And even if they are labeled, just as with supplements, you can’t always trust the numbers in the absence of strict regulation. Consumers should do their homework to ensure the source of any edible they’re consuming is credible, as well as be mindful of where it’s coming from. It’s technically illegal to sell any food with THC across state lines, in most cases, according to the FDA.
Can Edibles Be Healthy?
So, providing you don’t overindulge and follow the law, can edibles actually ever be considered healthy? “Absolutely,” says Laura Lagano, M.S., RDN, CDN, a New York City-based integrative and functional nutritionist, and a holistic cannabis practitioner. “My recommendation is to stay away from inflammatory ingredients, such as artificial flavors, colors and sweeteners, sugar and gluten when selecting edibles. Cannabis is a potent anti-inflammatory, so it does not make sense to combine [it] with inflammatory ingredients.”
Keep Out of the Reach of Children
Stolbach has great concern over edibles getting into the wrong hands. Often, edibles can be packaged to look like regular candy or treats, enticing children. The most commonly reported exposure to cannabis in children under age 12 is through baked goods and candies, according to the American College of Medical Toxicology.
Due to the increase in accidental overdoses in children, the FDA issued a warning in 2022 about copycat products containing cannabis that look like candy and cereal that are typically marketed toward kids.
If you are keeping edibles in your home and have children, ensure they’re contained in child-resistant packaging and kept somewhere out of site and out of reach.
The Bottom Line
Manufacturers are now making everything from protein powders to chocolate bars to granola bites laced with THC, making it possible to consume edibles while sticking to a healthy diet. But more research is needed to determine the positive or negative effects that cannabis edibles can have on health.
If you do want to give edibles a try, start small with low doses, make sure they’re coming from a package that clearly labels the THC concentration, and consume them at a time when you won’t need to be operating a vehicle for a few hours. “Give it some time to see how your body handles it. Try to minimize your stimulus and relax,” says Stolbach.
It’s also wise to work with a practitioner who is knowledgeable in cannabis-infused edibles. They can help you determine if they’re right for you and, if so, in what dose. They can also steer you toward reputable companies that regulate the amount of cannabis in their products.
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