For the same calorie content, you could pack a Hooah! bar. Much more transportable. Again though, the thirst problem.
The only emergency rations I've tried are Mainstay. Weird experience eating those...they're called "low thirst". Something about them makes your mouth water, so there's little need to drink with them. 400 calorie blocks.
Just googled "SOS rations" and found a site that sells "The New Millenium bars" which look like a Power Bar type food...also 400 calories each. I'll probably try some of those sooner or later.
I'd have to agree...keep the liquid supplements around the house if you like, but find something more portable for gettin' outta Dodge.
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Ors, MAE, MT-BC
Memento mori
Vulnerant omnes, ultima necat (They all wound, the last kills)