Frequently asked questions How much cannabis can I possess in Virginia with an MMJ Card? In Virginia, you can possess the following amounts with a valid MMJ Card: – Codified as “CBD or THC-A oil,” each dispensed dose (single unit) must contain a minimum of 5 milligrams of cannabidiol or THC-A and may contain up to 10 milligrams of THC. – Patients may receive up to a 90-day supply per visit to a dispensary. – There is no limit on the number of doses comprising a patient’s dosage. – The allowed products may be in any formulation typically dispensed by pharmacies, i.e: oils, tinctures, creams, gels, capsules, tablets, sprays, lozenges, troches, patches, suppositories, lozenges, and lollipops.