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DEA-Approved Bulk Cannabis Suppliers

As of March 2023, the U.S. Drug Enforcement Administration (DEA) has approved seven providers of cannabis and cannabis products for research. The information below is provided as a resource to the research community. Specific information on products available, costs, and timelines are available from individual providers.

Disclaimer: The National Institutes of Health (NIH) does not specifically endorse any provider or the quality of their products. An up-to-date list of DEA-approved bulk manufacturer growers can be found on the DEA website. Company summaries have been provided by the individual companies and edited for consistency, clarity, and comparability. This information is provided as a resource and has not been endorsed nor independently verified by NIH.


CompanyBrief DescriptionLocationWebsitePoint of Contact
National Center for Natural Products ResearchProvides various products to the National Institute on Drug Abuse (NIDA) Drug Supply Program, such as bulk plant material, placebo plant material, cannabis extracts, purified cannabinoids, and cannabis cigarettes. They can also provide specialized cannabis products directly to researchers upon request.University of Mississippi School of A. ElSohly
Groff NA Hemplex, LLCProvides standard and customized cannabinoid products, including cannabis flower, extracts, isolates, and patient dose forms (capsules, tinctures, soft chew tablets, and topicals). Customized formulations of tetrahydrocannabinol (THC), cannabidiol (CBD), and other cannabinoids are available to support preclinical and clinical research with extract THC potency up to 85 percent.    
They have a library of high quality, stable genetics that covers a wide array of cannabinoid potency levels, ensuring that custom projects have consistent long-term supply. All products are tested by independent, third-party DEA- and U.S. Food and Drug Administration (FDA)- approved laboratories.
Red Lion, Pennsylvaniawww.GroffNA.comJeff Cary
Irvine Labs, IncProvides a full line of cannabis-based products, from flower, to single molecule cannabinoids (CBD, THC, etc.), to custom formulations. They can export and import (including DEA-required registrations) as needed or source internally or with U.S. partners. Pricing is based on product and quantities at the time of request.Huntington Beach, Land
Maridose, LLCOffers a variety of services tailored to researcher needs, including standard cannabis flower (with varying THC/CBD profiles) and custom cannabis flower (Maridose will custom grow cannabis strains to researcher’s needs). All cannabis flower is available in bulk or pre-rolled form. Product formulations include extracts, distillates, isolates, etc., including custom manufactured products such as vapes, tinctures, and
Biopharmaceutical Research Company, LLC (BRC)Can provide cannabis-based therapeutics and active pharmaceutical ingredients (API). Current products include high potency (50 to 75 percent) THC and CBD extracts. High potency cannabis flower for animal and preclinical research is available. In-production products include current good manufacturing practice (cGMP) THC/CBD/ cannabigerol (CBG) isolates.Monterey,
Royal Emerald PharmaceuticalsCan provide cGMP and good agricultural and collecting practice (GACP) cannabis flower, extracts, distillates, isolates, compounded drug products, and manufactured products (i.e., joints, vapes, tinctures, capsules, etc.). They have access to an extensive genetics library of tissue culture stock consisting of High, Medium, and Low THC and CBD strains including various THC/CBD ratios (1:1, 20:1, 1:20, etc.). All products are tested by an independent FDA-approved analytical laboratory for potency and safety. Lead time for products range from 16 to 24 weeks depending on product type and internal production scheduling.Desert Hot Springs,
Scottsdale Research Institute (SRI)A clinical trials site that strives to conduct FDA-approved controlled studies to ascertain the medical safety/efficacy of smoked and vaporized cannabis flower and psilocybin mushrooms for treating pain, post-traumatic stress disorder (PTSD), and opioid reduction/substitution. SRI can serve all needs from seed to bench/animal research/FDA drug development studies.Arizonascottsdaleresearchinstitute.comSuzanne Sisley