Almost every bad edible story starts the same way: someone ate a whole gummy. Not half, not a quarter — one gummy, because it looked like one serving. Four hours later they’re on the couch convinced something is deeply wrong.
Here’s the thing nobody tells first-timers: on most menus in BC — including ours — one gummy is not one dose. A single piece from a 300mg pack can be 60mg of THC. Canadian health guidance says a beginner should start at 2.5mg. That’s 24 times the recommended first dose in one candy.
This guide covers what dose to start with, how to actually get that dose out of a high-strength package, how long to wait, and what to do if you go too far. Read it before you open the bag, not after.
Quick answer: how much THC should a beginner take?
Start with 2.5mg of THC. That’s the starting dose recommended by the Canadian Centre on Substance Use and Addiction. Wait a minimum of two hours — ideally four — before even thinking about more. Effects can take up to four hours to fully arrive and can last twelve hours or longer. If 2.5mg does nothing, try 5mg on a different day, not later the same evening.
Why edibles hit so much harder than smoking
If you smoke regularly and assume that tolerance carries over, it doesn’t — not cleanly. Eating cannabis is a different pharmacological event.
When you inhale, THC crosses from your lungs into your bloodstream and reaches your brain in minutes. When you eat it, it goes through your digestive system and your liver first. That liver pass converts delta-9 THC into 11-hydroxy-THC, a metabolite that crosses into the brain more readily and is widely described as substantially more potent than the THC you inhale.
So an edible gives you a different compound, delivered slowly, lasting far longer. That’s why the effects feel more physical, more immersive, and much harder to steer once they’ve started. We covered the broader comparison in smoking vs eating cannabis.
The practical consequence: with a joint you can stop when you’ve had enough. With an edible, the decision was made an hour ago and you can’t take it back. That single difference is the reason for everything else in this guide.
The timeline: onset, peak, and how long it lasts
- 0–30 minutes: usually nothing. This is where people make their mistake.
- 30 minutes – 2 hours: typical onset. On a full stomach it can stretch to 4 hours.
- 2–4 hours: peak intensity. Whatever you took, this is the strongest it gets.
- 4–8 hours: the main body of the experience for most people.
- 8–24 hours: residual grogginess, especially at higher doses. Plan for a slow next morning.
Onset varies enormously with body weight, metabolism, tolerance, whether you’ve eaten, and the product itself. Two people can take the same gummy and be forty-five minutes apart.
THC dosage chart
| Dose | What it feels like | Who it’s for |
|---|---|---|
| 1–2.5mg | Mild relief, light mood lift. Most people don’t feel intoxicated. | First-timers. Start here. |
| 2.5–5mg | Clear euphoria, some coordination and perception changes. | Beginners after a successful first try |
| 5–10mg | Strong, obvious effects. Impairment is real. | Occasional users with some tolerance |
| 10–20mg | Heavy. Sensory distortion likely. | Regular consumers |
| 20–50mg | Very strong. Uncomfortable for most people who aren’t used to it. | High-tolerance daily users |
| 50mg+ | Severe impairment. Anxiety, nausea and racing heart are common at this level for the unprepared. | Experienced high-tolerance consumers only |
For dosing across other formats — flower, concentrates, vapes — see our wider guide to balancing your dosage.
Notice where 50mg sits on that chart. Now look at what a single gummy from a 500mg pack contains.
One gummy is not one dose: the package math
Legal retail edibles in Canada are capped at 10mg of THC per package — the entire package. The high-strength edibles sold across BC’s delivery market, ours included, are a different product category entirely. A 500mg pack holds fifty times the THC of a legal one.
That’s not a reason to avoid them. It is a reason to do the division before you eat anything. Here’s the math on common package sizes:
| Package | Pieces | THC per piece | To get a 2.5mg first dose |
|---|---|---|---|
| 100mg | 10 | 10mg | Cut one piece into quarters ✅ |
| 200mg | 10 | 20mg | One eighth of a piece |
| 250mg | 10 | 25mg | One tenth of a piece — impractical |
| 300mg | 5 | 60mg | 1/24 of a piece — not realistic |
| 500mg | 10 | 50mg | 1/20 of a piece — not realistic |
| 1000mg+ | varies | 50–100mg | Not a beginner product |
If you’re new, buy the 100mg pack. At 10mg a piece, a clean quarter gets you to 2.5mg. You physically cannot cut a 60mg gummy into an accurate beginner dose, and pretending otherwise is how people end up having a bad night. The 100mg option is also our cheapest — starting sensibly costs you less, not more.
How to cut edibles accurately
- Use a sharp knife on a board, not your fingers. Tearing gives you wildly uneven pieces.
- Chill the gummy in the fridge for ten minutes first — cold gummies cut cleanly instead of squashing.
- Cut in half, then halve again. Quarters by eye are reliable; tenths are not.
- THC isn’t always distributed perfectly evenly through a gummy, so treat your quarter as approximate. Another reason to start low.
- Wrap the remainder and put it back in the original labelled package. Never store cut edibles in an unmarked container — that’s how someone eats one by accident.
Your first time, step by step
- Pick your evening. Nothing tomorrow morning that matters. Not before work, not before driving anyone anywhere.
- Be somewhere comfortable, with someone you trust — ideally someone sober who knows what you took and when.
- Eat a normal meal first. It slows onset a little, but it also blunts the nausea some people get on an empty stomach.
- Take 2.5mg. Write down the time. Actually write it down — your sense of time is the first thing to go.
- Put the rest of the package away, out of reach. Ideally somewhere locked. Out of sight beats willpower at hour two.
- Wait. Do something absorbing — a film, a game, music. Watching yourself for effects makes an hour feel like four and turns ordinary sensations into evidence that something’s wrong.
- Do not take more tonight. If nothing happened, that’s useful information. Try 5mg another day.
The mistake that ruins most first experiences
Redosing at the ninety-minute mark. It feels completely reasonable at the time — nothing’s happening, the gummy must have been weak, one more won’t hurt.
What actually happens is that the first dose arrives, the second one lands on top of it forty minutes later, and you spend the next six hours at double the dose you chose. Every single “edibles are too intense for me” story is really a story about this specific decision.
Two hours minimum. Four is better. Nothing has gone wrong at ninety minutes.
If you’ve taken too much
It’s unpleasant and it can be frightening — racing heart, anxiety, a feeling of unreality, sometimes nausea. It is also temporary, and it passes on its own.
- Remind yourself what’s happening. You took too much of an edible, it peaks and then it fades. That sentence does more than anything else on this list.
- Sit or lie down somewhere dim and quiet. Don’t try to push through in a loud, crowded room.
- Sip water and eat something plain if you can manage it.
- Slow your breathing. A longer exhale than inhale, for a few minutes. Most of the worst of it is the anxiety, and the anxiety responds to this.
- Try CBD. Many people find CBD takes the edge off THC-driven anxiety — here’s how the two cannabinoids differ. Evidence is mixed rather than settled, but it’s low risk and worth keeping in the house.
- Don’t add alcohol. It reliably makes it worse.
- Sleep if you can. It’s the fastest way through.
When to get medical help
Call for help — don’t wait it out — if there’s chest pain, difficulty breathing, vomiting that won’t stop, seizures, or someone who can’t be roused. And always call immediately if a child or a pet has eaten an edible, no matter how well they seem.
BC Drug and Poison Information Centre — free, confidential, 24/7
Toll-free: 1-800-567-8911 · Lower Mainland: 604-682-5050
In an emergency, call 911.
Nobody will be in trouble for calling. Cannabis is legal for adults in BC and poison centre staff are there to help, not to report you.
Who should be more careful — or skip edibles entirely
- Anyone on prescription medication. THC and CBD both interact with the liver enzymes that process many common drugs — including blood thinners and some heart, seizure and psychiatric medications. Ask a pharmacist first; they’ll answer without judgment.
- People with heart conditions. THC raises heart rate.
- Anyone with a personal or family history of psychosis, schizophrenia or bipolar disorder. High-THC products carry real risk here.
- Pregnant or breastfeeding. Health Canada advises avoiding cannabis entirely.
- Under 25. Regular high-THC use during brain development carries greater long-term risk. Under 19 it’s not legal in BC.
- Anyone planning to drive. Impairment from an edible can last well past the point where you feel normal. Give it a full day.
Storing edibles safely
They look exactly like candy, which is precisely the problem. Keep them in the original labelled packaging, store them somewhere locked or genuinely out of reach — not a kitchen drawer — and keep them separate from ordinary snacks. A locking tin costs a few dollars and removes the single most common way edibles cause real harm in BC homes.
Frequently asked questions
How long do edibles take to kick in?
Usually 30 minutes to 2 hours, but up to 4 hours on a full stomach. Peak effects come around 2–4 hours in.
How much THC should I take my first time?
2.5mg, the starting dose recommended by Canadian health guidance. From a 100mg 10-piece pack that’s a quarter of one gummy.
Is 10mg of THC a lot for a beginner?
Yes — roughly four times a sensible first dose. 10mg is a full-strength dose for someone with existing tolerance and will be strongly intoxicating for a newcomer.
I smoke every day. Can I skip the low dose?
Smoking tolerance transfers only partly, because edibles work through a different metabolite. Start at 5mg rather than 2.5mg if you’re a daily smoker, but don’t jump to 50mg because a joint doesn’t faze you.
How long do edibles stay in your system?
Effects fade within 4–12 hours, but THC metabolites remain detectable on a drug test for days in occasional users and weeks in frequent ones. Detection and impairment are different things.
Can you overdose on edibles?
There’s no known lethal dose of THC for adults, and fatal cannabis overdose is not a documented outcome. But you can absolutely make yourself very unwell, and the risk to children and pets, whose body weight is far smaller, is serious. Call the poison centre if a child or animal eats one.
Do edibles expire?
They lose potency over time and the food itself can spoil. Store them cool, dark and sealed — the same principles we cover in our cannabis storage guide.
Shop edibles with same-day delivery
Browse all edibles, or go straight to THC gummies, chocolates and CBD gummies. If it’s your first time, start with a 100mg pack — it’s the easiest to dose accurately and the cheapest way to find out how you respond.
We deliver in 1–2 hours across Surrey, Delta, Langley, Coquitlam, New Westminster, Burnaby, Vancouver, Richmond, Abbotsford, Chilliwack and Agassiz, 12pm–8pm daily. See our same-day delivery guide for coverage.
You must be 19 or older to purchase cannabis in British Columbia. This guide is general information, not medical advice — if you take prescription medication or have a health condition, speak with a doctor or pharmacist before using cannabis. Never drive after consuming. Keep all cannabis products locked away from children and pets.