An edible high typically lasts 4 to 12 hours, with the peak hitting around 2 to 3 hours after you eat it. That’s significantly longer than smoking or vaping, which wears off in 2 to 3 hours. The wide range comes down to how much you took, your metabolism, your tolerance, and even what else was in your stomach.
The Full Timeline of an Edible High
Edibles follow a slow, predictable arc. Effects begin 30 to 90 minutes after you eat one, though some people don’t feel anything for a full hour and a half. The high builds gradually, reaching its peak around 2 to 4 hours after ingestion. From there, the effects plateau briefly, then taper off over the next 1 to 2 hours. The total experience, from the first hint of a buzz to feeling mostly normal again, runs 4 to 12 hours depending on the dose and your body.
For comparison, inhaled cannabis takes effect within minutes, peaks at about 20 to 30 minutes, and fades within 2 to 3 hours. Edibles take roughly twice as long to peak and last two to four times longer overall.
Why Edibles Hit Differently Than Smoking
The reason edibles last so much longer is biological. When you smoke or vape, THC travels from your lungs directly into your bloodstream and reaches your brain almost immediately. When you eat an edible, THC passes through your stomach and into your liver first. Your liver converts THC into a different active compound that crosses into the brain more effectively and lingers longer in your system.
This conversion process also explains why the high can feel more intense. Lab research shows that the ratio of this liver-produced compound to regular THC is much higher after eating cannabis than after smoking it. In practical terms, 1 mg of THC in an edible produces a behavioral effect similar to about 5.7 mg of THC in smokable cannabis. So even though your body only absorbs 6% to 10% of the THC in an edible (the rest gets broken down by digestion), what does get through packs a punch.
How Dose Changes the Duration
The amount of THC in your edible is the single biggest factor in how long you’ll feel it. Here’s how different dose ranges play out:
- 1 to 2.5 mg (microdose): Mild symptom relief with little to no noticeable intoxication. Most people feel this for a shorter period at the low end of the 4 to 12 hour range.
- 3 to 5 mg (low dose): Noticeable euphoria for some users, with possible changes in coordination and perception. A 5 mg edible typically lasts 2 to 4 hours from onset to comedown for a moderately experienced user, but can stretch to 6 hours for someone with low tolerance or a slower metabolism.
- 10 to 15 mg (moderate): Stronger effects on pain, nausea, and anxiety, with clear impairment in coordination. Duration pushes toward the longer end of the range.
- 20 to 30 mg (high): Very strong euphoria with significant impairment. Expect a longer, more intense experience.
- 50 mg and above: Seriously impaired coordination and a higher chance of unpleasant side effects like nausea, anxiety, and rapid heart rate. At these doses, the high can easily last 8 to 12 hours.
After the peak, edibles don’t drop off sharply the way smoking does. They plateau and then gradually fade, which is part of why the total duration feels so long.
Factors That Shift the Timeline
Two people can eat the same gummy and have noticeably different experiences. Several factors explain why.
Tolerance and frequency of use. In one study where participants ate brownies containing about 50 mg of THC, frequent users (five or more times per week) reached higher peak blood levels than occasional users, even though both groups hit their peak at roughly the same time, between 1.5 and 3.5 hours. Regular use doesn’t necessarily shorten the timeline, but it does change how intensely you feel it.
What’s in your stomach. The other food in your gut matters. Edibles that contain fat, protein, or a higher calorie load (like a brownie versus a simple gummy) can alter how quickly and how much THC gets absorbed. A brownie with fats and sugars adds a caloric load that may slow absorption compared to a low-calorie gummy with the same THC content. Eating an edible on an empty stomach generally means faster onset, while a full stomach can delay it.
Body composition. You might expect body fat to play a major role since THC is fat-soluble, but research on this is surprisingly inconclusive. One study looked at people ranging from lean to obese and found no consistent relationship between body composition and how edibles were absorbed across different products. Body fat may matter more for long-term THC storage than for how a single edible session plays out.
Next-Day Effects
A common concern is whether you’ll still feel off the morning after. The evidence is reassuring. A systematic review of 20 studies covering 345 performance tests found that about 60% of tests showed no impairment either during or after THC use, and the vast majority showed no “next day” effects beyond 8 hours. Only 12 out of 345 tests found any next-day impairment, and all of those came from older, lower-quality studies without proper controls.
That said, higher doses taken late in the evening could leave you feeling groggy or slightly foggy the next morning, especially if the high lasted on the longer end of the spectrum. This isn’t the same as still being intoxicated, but it’s worth planning for if you have an early start.
Why the “Wait Before Redosing” Rule Matters
The slow onset of edibles is the main reason people accidentally take too much. You eat a gummy, feel nothing after 45 minutes, eat another, and then both kick in at once. Health guidelines recommend waiting at least two hours before taking a second dose if you started with 2.5 mg. Taking additional edibles within four hours of your first dose significantly raises the risk of over-intoxication.
If you’re new to edibles, starting at 2.5 to 5 mg and giving it a full two hours before deciding you need more is the simplest way to avoid an unpleasant 8 to 12 hour experience. The slow climb is a feature of how edibles work, not a sign that the dose was too low.