Where dosage information lives
Dosage information for cannabis concentrates comes from four sources: the state-required product label, the batch lab report, state cannabis agencies, and public health agencies. No federal agency sets a cannabis dose. Rules come from state law.
Serving caps apply to edibles. Most regulated states set 10 mg THC per edible serving and 100 mg THC per package. Inhaled concentrates carry no state-defined serving size in most markets, so labels list total THC and THC per gram instead.
cannabis concentrate dosage chart mg
1. The product label
Concentrate packages sold in regulated states carry a label with total THC by weight, THC percentage, batch number, manufacture date, net weight, and a state health warning. Some states add THC per serving and servings per container.
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Check total THC, not only the percentage. One gram of concentrate at 70% THC holds 700 mg THC. A 0.5 gram jar at the same potency holds 350 mg.
2. Lab reports and certificates of analysis
Third-party labs test each batch for potency, pesticides, solvents, and microbials. The certificate of analysis (COA) lists THC and CBD percentages for the batch in your hand. Packages in Colorado, California, Nevada, and other states print a QR code that opens that COA.
Ask the dispensary for the COA if the code fails. Potency differs between lots of the same brand and strain.
3. State cannabis agencies
- Colorado Marijuana Enforcement Division (colorado.gov): serving caps, packaging rules, purchase limits.
- Washington State Liquor and Cannabis Board (lcb.wa.gov): serving size and label requirements.
- California Department of Cannabis Control (cannabis.ca.gov): 10 mg serving cap, label rules.
These agencies publish rule text and consumer guides at no cost. Rule pages carry the current numbers, so check the date on the page.
4. Public health agencies
The CDC publishes start-low-go-slow guidance and notes that effects depend on THC level, product form, and the person. NIDA tracks potency. Its testing shows concentrate THC averaging above 60%, against about 15% for flower.
5. Dispensary staff
Budtenders at licensed shops answer dosing questions and can read a COA with you. Ask for the THC per gram, the batch date, and the smallest unit the shop sells. Some shops stock 0.5 gram jars and single-use pens.
Doing the math
A dab the size of a grain of rice weighs about 25 mg to 50 mg. At 70% THC, that equals 17 mg to 35 mg THC. Inhaled effects start within minutes and peak in 10 to 30 minutes. Oral concentrate such as tincture or capsules takes 30 to 120 minutes.
No formula converts an inhaled dose into an oral dose. Tolerance, body weight, and product form change the result.