InfoSearched
The number on the label might be the biggest lie in the legal weed business.
VICE News’ “Weed Fraud: Are you Getting Cheated?” pulls back the curtain on a problem the cannabis industry doesn’t advertise: the potency percentage stamped on your jar of flower is often fiction. As legal states force growers and processors to attach a Certificate of Analysis to every commercial batch, testing labs have become the industry’s most important — and most exploitable — gatekeepers.
The investigation talks to analytical chemists, lab operators and industry insiders who describe a system where accuracy is punished and inflated numbers are rewarded with more business. Because shoppers pay a premium for a higher THC percentage on the label, the incentive to cheat runs straight from the grow room to the dispensary counter.
- Growers and processors practice “lab shopping” — sending identical samples to multiple testing facilities and sticking with whichever lab returns the highest THC number and passes pesticide and microbial screens.
- Independent audits in Washington, Oregon and California found dramatic, unexplainable discrepancies in potency results between competing labs testing the same strains.
- State enforcement actions have uncovered thousands of falsified samples at individual facilities, resulting in suspensions of non-compliant labs.
The Certificate of Analysis Problem
Every legal-market flower, edible or cartridge is supposed to arrive with a COA — a document generated by a licensed lab verifying THC and CBD content and confirming the product is free of pesticides, mold and heavy metals. In theory, it’s the consumer protection layer that separates the regulated market from the old plastic-baggie economy. In practice, the report finds, the COA has become a marketing tool that growers can shop around for rather than a fixed scientific measurement.
Researchers connected to major testing firms, including Steep Hill Labs, tell VICE that regulatory frameworks in early recreational states simply didn’t anticipate how much money would ride on a single percentage point. A batch tested at 18% THC sells for meaningfully less than one labeled 24%, even if the plant material is chemically identical.
Lab Shopping and the Race to the Highest Number
The mechanics are straightforward: a cultivator sends the same batch to several labs, then only pays for — and publicly uses — the result with the best number and the cleanest contaminant screen. Labs that consistently return lower, more conservative potency figures lose clients to competitors willing to inflate results, creating a market-wide race to the top that has nothing to do with what’s actually in the jar.
Honest labs get punished with lost business while the labs willing to inflate numbers or wave through tainted product keep growing.
That dynamic mirrors the kind of institutional fraud documented in other black-market and gray-market economies — the same profit-first logic that runs through how Mexican drug cartels make billions off product that never gets independently verified at all. The difference in legal cannabis is that the fraud hides behind a government-mandated piece of paper that’s supposed to mean something.
Methods of Financial Data Manipulation
The report details several documented manipulation techniques. Labs can adjust High-Performance Liquid Chromatography (HPLC) settings to skew potency readings upward, or tweak the moisture content of a sample before testing, which changes the calculated percentage of active cannabinoids. In the most brazen cases, operators simply falsify the data outright and issue a COA that has no real relationship to the material tested.
Because these techniques don’t leave obvious physical evidence on the finished product, the fraud is largely invisible to the customer standing at a dispensary counter — the flower looks and smells the same whether it tested honestly or not.
Regulators Playing Catch-Up
Washington, Oregon and California — the earliest recreational markets — have all seen independent audits expose wide swings in potency results across labs testing comparable products. State enforcement actions in these markets have uncovered thousands of falsified samples at individual facilities, leading regulators to suspend labs found manipulating data. But the report makes clear oversight capacity hasn’t kept pace with a market that scaled up faster than any state agency was built to police, leaving compliant labs to absorb financial losses for playing it straight while fraudulent competitors expand.
It’s the same pattern investigators have flagged in other loosely policed cash industries, from counterfeit goods to the layered schemes broken down in how real-world money-laundering schemes actually work — wherever the paperwork is the only check, the paperwork becomes the target.
Until states standardize testing methodology and start auditing labs the way they audit the growers, the guy paying $60 for an eighth labeled 28% THC has no real way of knowing if he’s smoking a 22% batch that got shopped to the right lab.
Inside David Harbour’s Custom-Renovated New York Loft
Renovating an abandoned tiny house Part 1
Mudskippers: The Fish That Walk on Land
Locked Bucks Freed with Chainsaw
Living in a Minivan during Freezing Temperatures