There are multiple online recipes for making your own energy bars with honey or sugar.
Sweetened drinks are largely ignored in the survivalist literature because of very painfull experiences never mentioned.
One of the early paramilitary gurus grew weary of licking oil tainted water from black helicopter skid marks and bought a military surplus Katyden.It wasn't the same, so he located a beehive, shimmied up the tree and cut it free with his 5 lb, fossil ivory handled and proprietory mystery steel Tactical Survival Knife. He doesn't talk much about what happened next, but friends say his AR 15 rig came home with all 2,500 rounds from his daypack expended and none of the brass saved for reloading. Afterwards he became an early advocate of the .17 rimfire.
It was on the other coast that a buckskin clad member of the primative movement accepted a class challenge to gather honey like his Chippewa spirit guide.After making fire with a bowdrill he 'smoked' the hive with what turned out to be posion ivy. His insect field I.D. book failed to show africanised bees from natives. His whispering of the 'bee collecting thankyou prayer' was niether understood or appreciated by the bees.
Of course, Bear just orders up his favourite at the hotels.
Rumours of ETS are just that: Expect no Ritter rattlenake Raspberry soon.
Drinks are like any other kit the industry can't seem to make to our individual satisfaction.Sometimes you have to make your own ;o)