Comment by skylurk

Honey supply chains are opaque and global, plus the incentives to cheat are clearly there and it's hard to definitively prove a batch was not adulterated. I'd say it's fair to be suspicious.

That said, this old article seems to think its not as common a problem as you would expect: https://www.npr.org/sections/thesalt/2011/11/25/142659547/re...