Check the seller's license first
Cannabis syrup that contains more than 0.3 percent delta-9 THC by dry weight is a Schedule I substance under federal law. No licensed US operator ships it across state lines. Any site that offers to mail THC syrup to another state is selling a hemp-derived product or breaking the law.
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Before you buy, find the seller's state license number. Adult-use states issue separate licenses for retail, delivery, and manufacturing. A license number lets you confirm the operator on the state regulator's site. If the site has no license number, no physical address, and no phone number, stop.
What to look for on a product page
Syrup is a liquid edible. Potency is the first number to read. Look for:
- Milligrams of THC per bottle and per serving.
- Serving volume in milliliters or teaspoons.
- Total volume of the bottle.
- CBD to THC ratio, if any.
- Batch or lot number.
- Expiration date.
- Base ingredients: sugar, glycerin, propylene glycol, water.
A 100 mg bottle with a 5 mg serving gives 20 doses. A 1,000 mg bottle with a 5 mg serving gives 200 doses. Label formats differ by state. Read the serving size before the total.
Certificates of analysis
Licensed producers test each batch. Tests cover potency, pesticides, heavy metals, microbials, and residual solvents. Ask for the certificate of analysis. Match the batch number on the COA to the batch number on the bottle. A COA for a different batch proves nothing about the bottle in your hand.
Timing and dose
Edibles take 30 minutes to 2 hours to take effect. Effects can last several hours, longer than inhaled cannabis. Syrup mixes into drinks, which can hide the taste and make it easy to consume more than planned. Measure with the dosing cup or syringe the package includes. Do not add more syrup because the first dose feels weak.
Red flags
- No COA, or a COA with no batch number.
- Potency claims with no milligram figure.
- Packaging that copies candy or soda brands.
- Delta-8 or THC-O syrup sold online with no age gate.
- Prices far below the state market.
- No child-resistant cap.
Hemp-derived syrups are legal to ship under the 2018 Farm Bill when delta-9 THC stays at or below 0.3 percent by dry weight. Those products are not tested under state cannabis rules. Potency can vary from bottle to bottle.
Storage
Keep syrup in the original child-resistant container. Store it away from light and heat. Refrigerate after opening if the label says so. Discard after the expiration date.