Answer: start at 2.5 mg and wait 2 hours
Take 2.5 mg of THC if you have no tolerance. Take 5 mg if you use cannabis several times a week. Do not take a second dose for at least 2 hours. A 10 mg serving is the standard unit in US legal markets. It is too much for many first-time users. Two hours is the minimum wait. Three hours is safer.
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Why the wait matters
Edible THC passes through the liver before it reaches blood. Onset runs 30 to 120 minutes. Blood levels peak between 1 and 3 hours. Effects last 4 to 6 hours, and longer at high doses. People who redose at 45 minutes because nothing happened end up at double or triple the planned dose when both waves land.
how to eat edibles without getting too high
Read the number on the package
Labels list total THC per package and THC per serving. A bar with 100 mg total and 10 pieces holds 10 mg per piece. Cut a piece into quarters for 2.5 mg. Check if the label lists THC, THCA, or both. Hemp-derived products sold outside licensed shops often carry numbers that do not match lab tests. The FDA has warned about delta-8 THC products with inaccurate potency and unlisted contaminants.
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Eat a meal first
Food in the stomach changes absorption timing. A large meal can push onset past 2 hours. Data on high-fat meals is thin, and some studies show delayed onset with higher total absorption. Skip alcohol. Alcohol adds impairment and makes it harder to judge how high you are.
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Track the clock and the dose
Write the dose and the time on your phone. Set a timer for 2 hours. Set out one serving and put the rest away. Do not eat from the bag. Daily users need larger doses than new users for the same effect. Raise a dose by no more than 2.5 mg per session. Do not drive until the effect ends.
If you take too much
Deaths from THC alone are rare. The hard part is panic, fast heart rate, dry mouth, and nausea. It passes. Sit or lie down. Drink water. Eat something mild. Skip caffeine. CBD may soften some effects, but the evidence is limited. Black pepper and lemon peel are folk remedies with little clinical data. Time is the main treatment. Symptoms peak around 2 to 3 hours and fade over 4 to 8 hours.
Store it like medicine
Edibles look like candy. Keep them in the original package, in a locked box, away from the kitchen. Children and pets eat them by accident. Call poison control if a child eats a full package, and give the total milligrams on the label.