Last reviewed October 18, 2026
When edibles don’t seem to work, the usual reasons are not waiting long enough, a dose too low for your tolerance, homemade edibles made from flower that wasn’t decarbed, or a full stomach slowing things down. People also process eaten THC differently, so the same edible can feel strong to one person and mild to another.
The most important thing: eaten cannabis can take 30 minutes to 2 hours to start working and up to 4 hours to peak, according to Health Canada. Many “edibles don’t work on me” stories end with someone taking a second dose too early, then feeling both at once.
Common reasons
| Reason | What’s happening | What to try |
|---|---|---|
| Not enough time | Onset can take up to 2 hours | Wait the full 2 hours before deciding |
| Full stomach | A big meal slows absorption | Expect a later onset after eating |
| Tolerance | Regular use raises the dose you need | Increase in small steps, on separate days |
| Homemade, not decarbed | THCA wasn’t converted to THC | Decarb before infusing |
| Uneven homemade batch | Some pieces have much less THC | Mix more thoroughly next time |
| CBD-heavy product | CBD isn’t intoxicating | Check the label’s mg of THC |
| Old or heat-damaged product | THC breaks down over time | Check the best-before date and storage |
| Individual differences | People absorb and process THC differently | Go by your own response, not other people’s doses |
Why eating is different
Smoked THC goes straight to the bloodstream. Eaten THC passes through the digestive system and the liver, which converts part of it to another compound, 11-hydroxy-THC. How much gets through, and how fast, varies from person to person, which is one reason edible experiences differ so much.
A safer way to find your dose
- Start with 2.5 mg of THC or less, as Health Canada suggests.
- Wait at least 2 hours, ideally until the next day, before trying more.
- Raise the dose by small amounts, one session at a time.
- Keep a note of what you took and when, so you can tell what worked.
Common questions
Why do edibles not work on me but smoking does?
Eating and inhaling are processed very differently. Some people need a higher edible dose, or simply more time, to feel it.
Can you build a tolerance to edibles?
Yes. Regular use of any form of THC raises tolerance, and a break usually lowers it again.
Should I take another edible if I don’t feel it?
Not within the first 2 hours. Taking more too soon is the most common cause of a bad edible experience.
Do edibles work better on an empty stomach?
They often start sooner, but the effect can come on more suddenly. A light snack beforehand is a common middle ground.
Source: Health Canada, Cannabis: lower your risks.
