mature stalks that do not include any leaves, flowers, seeds or branches and fibre from such stalks are also excluded from the Cannabis Act, but they may not be used in veterinary health products. All phytocannabinoids, with several exceptions, are listed on the Prescription Drug List. If you wish to manufacture and sell a health product containing CBD that makes a health claim, you require approval for the product as a prescription drug under the Food and Drug Regulations. Hemp-seed oil is oil made from pressing the grain of hemp plants. In order for hemp-seed oil to be exempt from the Cannabis Act, it can’t contain more than 10 parts per million of THC.