Overview

No, the leaves and roots of comfrey contain pyrrolizidine alkaloids, which can damage the liver of dogs. If this herb is consumed on a regular basis, it may facilitate the development of cancer. Thus, do not let dogs anywhere near comfrey.
No, the leaves and roots of comfrey contain pyrrolizidine alkaloids, which can damage the liver of dogs. If this herb is consumed on a regular basis, it may facilitate the development of cancer. Thus, do not let dogs anywhere near comfrey.