Cannabis Edibles Dosage Guide: Start Low, Go Slow, and the Math Behind Why

The starting dose, by experience level

• Never used cannabis before: 2.5 mg of THC. One quarter of a 10 mg gummy or a single piece from a low-dose multi-pack.
• Used flower or vapes but new to edibles: 2.5 to 5 mg. Edibles hit differently than smoking, and the difference catches people.
• Regular cannabis user, infrequent edible user: 5 mg.
• Experienced edible user with established tolerance: 10 mg or known personal dose.

If you do not know which category you are in, you are in the lower one. We mean it.

Why edibles hit so much harder than smoking

When you smoke or vape, THC enters your bloodstream from your lungs in minutes. When you eat THC, it goes through your liver, where most of it converts to 11-hydroxy-THC, a different molecule that is significantly more potent and longer-lasting than the THC you started with. This is why a 10 mg edible feels stronger than a single hit of vape that delivered roughly the same THC.

The conversion to 11-hydroxy-THC also explains:

• Slower onset. 60 to 90 minutes typical, sometimes longer.
• Longer duration. 5 to 7 hours, sometimes longer at higher doses.
• More body-felt effect. Edibles often feel "deeper" than inhaled cannabis at the same nominal dose.

The single biggest mistake

Redosing too soon. A customer takes 5 mg, feels nothing in 45 minutes, takes another 5 mg, and then 30 minutes later both doses peak together. Now they are at 10 mg and feeling overwhelmed.

Do not take a second dose on the same day. New York requires edible packaging to carry the warning that effects of this product may be delayed by 4 or more hours, so feeling nothing after 90 minutes tells you very little. Redosing on that signal is the single most common way people end up overconsuming. If the dose was too low, note it and adjust the next time, not the same night.

Reading an edible label

A modern New York edible label will list:

1. Total THC per package (e.g., 100 mg)
2. THC per piece (e.g., 10 mg per gummy, 10 pieces per package)
3. CBD content if present
4. Brand and batch number

Always check piece-level dosing before eating. The most common edible accident is eating a "gummy" that turned out to be a 10 mg single instead of a 2.5 mg portion of a larger piece.

What to do if you took too much

Taking too much of an edible can lead to poisoning and serious injury, and it sends people to emergency departments. The CDC notes that because edibles take 30 minutes to 2 hours to take effect, some people eat too much before the first dose registers. Do not treat overconsumption as merely unpleasant. If it happens:

1. Find a quiet, comfortable space.
2. Drink water and eat something light. A snack with fat (cheese, peanut butter, avocado) can help.
3. Try CBD if available. A few drops of CBD oil under the tongue can sometimes soften the edge.
4. Expect it to take hours, not minutes. Duration varies by person, dose and product, and edible effects can be delayed by 4 or more hours. If symptoms are escalating rather than easing, treat that as a reason to get help rather than to keep waiting.
5. Distract. A familiar movie, a phone call to a friend who has been there.
6. Do not drive. Do not make important decisions. Do not double up trying to sleep through it.

Get medical help rather than waiting it out if there is chest pain, trouble breathing, repeated vomiting, fainting, seizure, an inability to stay awake, or confusion that does not improve. Call Poison Control at 1-800-222-1222, or 911 in an emergency. Do the same for any suspected exposure in a child or a pet, which is a medical emergency regardless of how the adult feels.

Risk is higher when cannabis is combined with alcohol or medications, and for people with heart conditions, a history of psychosis, or who are pregnant. Store edibles in a locked childproof container, out of sight and reach of children and pets. Sources: CDC on cannabis poisoning.

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For use only by adults 21 and older. Cannabis affects each person differently. This is general information, not medical advice. Do not drive or operate machinery after using.