Delta-8 THC is legal in Michigan, but only when it’s sold through a marijuana dispensary licensed by the state’s Cannabis Regulatory Agency. Since October 2021, Michigan has treated every form of THC, Delta-8 included, as marijuana. That means the Delta-8 gummies at a gas station, vape shop, or CBD boutique are being sold illegally. If you want Delta-8 in this state, a licensed dispensary is the only lawful place to get it.
Where You Can Legally Buy Delta-8
The Cannabis Regulatory Agency has stated plainly that it is illegal for businesses to sell Delta-8 without proper licensing.1State of Michigan. Delta-8 Information That rules out convenience stores, smoke shops, hemp stores, and any online retailer that isn’t a licensed Michigan marijuana business. Products sold outside the licensed system haven’t been tested by a state-approved laboratory, and nothing guarantees what’s actually in them.
Licensed dispensaries sell both adult-use and medical marijuana, and Delta-8 products sit on the shelf alongside Delta-9 options. The reason the law works this way: Michigan’s Regulation and Taxation of Marihuana Act defines “THC” to cover every tetrahydrocannabinol, whether naturally or artificially derived, along with any structural, optical, or geometric isomer. Delta-8 is a geometric isomer of Delta-9, so it falls squarely inside that definition.2Michigan Legislature. Michigan Compiled Laws Section 333-27953 – Definitions A 2021 amendment moved production, distribution, and sale of all Delta-8 products under CRA oversight, so the agency treats it identically to Delta-9 flower, edibles, and concentrates.3State of Michigan. Cannabis Regulatory Agency Technical Bulletin – Required Testing and Action Limits for Marijuana Products Containing Delta-8 THC
Who Can Buy It and How Much You Can Have
You must be 21 or older to buy Delta-8 for recreational use. Because the state treats it as marijuana, the standard MRTMA possession limits apply to adults 21 and up:
- Up to 2.5 ounces outside the home, of which no more than 15 grams may be marijuana concentrate.
- Up to 10 ounces stored at home, with anything over 2.5 ounces kept in a secured, locked container.
- Up to 12 plants per residence, regardless of how many adults live there.
These limits shield adults from arrest, prosecution, or property seizure for lawful possession.4Michigan Legislature. Michigan Compiled Laws Section 333-27955 – Lawful Activities by Person 21 Years of Age or Older Delta-8 concentrate counts against the 15-gram concentrate cap, not the 2.5-ounce flower allowance.
What’s Actually Allowed in the Products
Delta-8 products at a licensed dispensary have passed the same safety testing as other marijuana products, covering pesticides, heavy metals, and residual solvents. The CRA also caps how much Delta-8 any product can contain:
- Concentrates and vapes: Delta-8 concentration cannot exceed 10%.
- Infused products such as edibles and topicals: Delta-8 cannot exceed 10% of the total Delta-9 THC allowed in the product. For a package of adult-use gummies that may contain up to 200 mg of total THC, that means no more than 20 mg of Delta-8.
These caps come from CRA technical bulletins and bind every licensee.3State of Michigan. Cannabis Regulatory Agency Technical Bulletin – Required Testing and Action Limits for Marijuana Products Containing Delta-8 THC The infused-product calculation is confirmed in a 2025 bulletin.5Michigan Cannabis Regulatory Agency. Technical Bulletin – Maximum THC Concentrations for Marijuana-Infused Products
What Happens If You Buy From an Unlicensed Seller
The criminal exposure here falls on the seller, not the buyer. A first unlicensed-sales violation is a misdemeanor carrying a fine between $10,000 and $25,000 or up to 93 days in jail, with escalating penalties for repeat offenses. The CRA has issued public warnings that unlicensed Delta-8 sales are illegal.1State of Michigan. Delta-8 Information
For a consumer, possessing Delta-8 within the limits above is lawful regardless of where you got it. The practical risk of buying from an unlicensed source is different: the product hasn’t been tested, and you have no recourse if it contains contaminants or undisclosed substances.
Delta-8 and Drug Tests
Buying Delta-8 legally does not protect you from a drug test. When your body breaks down Delta-8, it produces the same metabolite, THC-COOH, that Delta-9 produces. Standard urine panels cannot tell the two apart, and confirmatory lab testing rarely distinguishes them in practice either.
This matters most for safety-sensitive workers regulated by the U.S. Department of Transportation, including commercial truck drivers, pilots, and railroad workers. DOT policy as of December 2025 is that marijuana remains a Schedule I drug under federal law and that safety-sensitive employees will continue to be tested for it. Using any THC product, including Delta-8 bought legally at a Michigan dispensary, will trigger a violation.6U.S. Department of Transportation. DOT Notice on Testing for Marijuana Private employers in Michigan can also maintain their own drug-free workplace policies, and a positive THC test from Delta-8 is generally treated the same as one from Delta-9.
A Federal Change Coming in 2026
The federal rules that let unregulated Delta-8 proliferate in other states are closing. The FY2026 Agriculture appropriations act (P.L. 119-37) rewrote the federal hemp definition in 7 U.S.C. ยง 1639o to exclude products containing cannabinoids synthesized or manufactured outside the cannabis plant.7Office of the Law Revision Counsel. 7 USC 1639o – Definitions Because nearly all commercial Delta-8 is made by chemically converting CBD rather than extracted directly from the plant, the exclusion covers most Delta-8 on the market. The revised definition also caps finished hemp products at 0.4 milligrams of total THC per container.8U.S. Congress. Change to Federal Definition of Hemp and Implications for Federal Regulation It takes effect November 12, 2026. For Michigan, this changes little day-to-day, since the state already channels Delta-8 through the licensed marijuana system.
What About Delta-10 and HHC?
Michigan’s definition of THC covers any tetrahydrocannabinol and any structural, optical, or geometric isomer.2Michigan Legislature. Michigan Compiled Laws Section 333-27953 – Definitions Delta-10 is another isomer of THC, so it sits under the same dispensary-only rules as Delta-8. HHC (hexahydrocannabinol) is related but not technically a tetrahydrocannabinol isomer, and its status under Michigan law is less clear-cut. The updated federal hemp definition will separately exclude cannabinoids synthesized outside the plant, which would cover most commercial HHC after November 2026.7Office of the Law Revision Counsel. 7 USC 1639o – Definitions For any alternative cannabinoid product in Michigan, the safest assumption is that it belongs on a licensed dispensary shelf or not at all.