One of my stockists told me that she was making a table so that customers could compare joint supplement ingredient amounts. Although I did send through our product composition, I felt that her table didn’t give the whole story to customers. There are two main reasons for this:
Even today, years after pyrrolizidine alkaloids were found and identified in Comfrey (aka Symphytum officinale), herbalists continue to recommend its use. A few years ago, after I had commented on an online site about the dangers of using Comfrey, a well-known animal herbalist called me on the phone.