I know agave has been mentioned from time to time on the list, so thought I’d forward this latest info about it.
https://cloverbeefoods.com/2011/agave-banned-by-the-glycemic-research-institute/

“The Glycemic Research Institute has halted its 5 year study on agave syrup because the side effects on diabetics were so serious.  The Institute has legally ‘de-listed’ agave, and warned manufacturers that they can be held legally liable for the effects of agave. Read the full report here.”

https://www.glycemic.com/AgaveReport.htm