wanna, go to www.futurefoods.com and locate Russian comfrey, lots of useful information can be gleaned from this site.

You can make a liquid fertilizer from comfrey.

I ate a 25cent-piece-sized piece of it every day until it completely cured my acid reflux disease. Did not take long: couple of weeks. I don't care if it kills me, either! The roman soldiers used it as medicine and carried the seeds all over Europe. 2 people died of some liver disease and they warn people about it. So, I take my chance. I am ready to go, no Terri Schiavo here, but do not want to linger 15 years with acid reflux disease!