CBD can be derived from the cannabis plant that's why it is safe for our pet. There is no substance that can harm them from using it then i saw this worldwide-marijuana-seeds com/collections/mephisto-genetics-marijuana-seeds. It is a major phytocannabinoid, accounting for up to 40% of the plant's extract. And as a pet owner, I already tried it on my Snowie. When he has a Lyme disease it is dangerous for my dog it is a tick-borne illness that is transmitted through deer ticks. And i used CBD as medicine for him and it works.that's why its safe.