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How to Read a Cannabis Label in Massachusetts Before Your Comm Ave Canna Run




 Every legal cannabis package in Massachusetts comes with a cheat sheet printed right on it. Most people  glance at the name and the number and keep it moving. That label is doing way more work than that, and the state spells out exactly what has to be on it. Here's how to read it like you know what you're looking at.

Full disclosure: I run marketing, promotion and events at Comm Ave Canna.

The Two Symbols and the Warning Block

Start with the symbols. Under Massachusetts law (M.G.L. c. 94G, § 4), every label needs two marks issued by the Cannabis Control Commission: one showing the package contains marijuana, and one telling kids the product is harmful to children.

Next, find the warning block. The state requires this exact statement, capitals and all: "This product has not been analyzed or approved by the FDA. There is limited information on the side effects of using this product, and there may be associated health risks. Marijuana use during pregnancy and breast-feeding may pose potential harms. It is against the law to drive or operate machinery when under the influence of this product. KEEP THIS PRODUCT AWAY FROM CHILDREN."

Edibles add one more line up front: "The impairment effects of edible products may be delayed by two hours or more."

THC, CBD and Serving Info

This is the section people actually care about. The Commission's labeling rules in 935 CMR 500.105(5) require the full cannabinoid profile, meaning THC and other cannabinoids like CBD. For products like edibles, concentrates, tinctures and topicals, the label lists the delta-9 THC amount in the whole package and in each serving, in absolute terms and as a percentage.

Multi-serving products show how many servings are in the package and the weight of a serving in milligrams. State law caps each serving at no more than 10 milligrams of delta-9 THC and requires packaging that lets you easily spot a single serving. Edible labels also list sodium, sugar, carbs and fat per serving, plus a warning if nuts or other known allergens are inside.

Testing, Batch Numbers and Dates

Look for the testing seal. Labels must carry a statement and a seal certifying the product was tested for contaminants, that there were no adverse findings, and the date of testing.

You'll also see a batch number (plus a serial number and bar code when used) tying the product to its production run, the name and contact info of the licensee that made it, and net weight or volume in U.S. and metric units. Flower labels show the packaging date. Edibles and concentrates show a creation date and a "use by" or expiration date. Vape labels go deeper on additives and say whether the terpenes came only from cannabis or from other sources.

If a package is too small to hold all of that, the rules allow a peel-back label or an insert in the take-away bag.

Pull Up to Comm Ave Canna

Comm Ave Canna is at 1030 Commonwealth Ave, 2nd floor, Boston. Hours are Monday through Saturday 10 AM to 8:55 PM, and Sunday noon to 6:55 PM. Take the Green Line B to Packard's Corner or Babcock St. Bring a valid physical ID showing you're 21+. Questions? Call (617) 618-5430 or check commavecanna.com.

Sources: Mass. General Laws c. 94G, § 4 (mass.gov) and the Cannabis Control Commission's 935 CMR 500.000 regulations.

For adults 21+ only. Keep cannabis away from children and pets.

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