Clinically studied Traumaplant Comfrey Cream from Terry Naturally CANADA is free of toxic pyrrolizidine alkaloids (PAs). This specialized form of comfrey (Symphytum x Uplandicum NYMAN) is rich in the goodness of the plant’s key elements – Rosmarinic acid, allantoin, and choline – from the flowers, stems, and leaves. Watch the video as Dr. Holly Lucille shares the benefits of Traumaplant Comfrey Cream and what it can do!