Notice the operative words there were "if advised by the Poison Control Center." So really, neither are worth carrying, and since both are liquids, it's kind of heavy.

Charcoal is great, but I don't expect many scouts to OD on something out in the woods. And if you do, well, you can MAKE charcoal. I've also heard that really, really, really burnt bread can be used as a substitute, but that could just be an urban legend.