Folks

Here is the brand and product my colleague uses:

Brand - Elements Nutrition. I use the Recovery to replenish glycogen in the muscles. They also have electrolytes. They now have a website.
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Tom,
Thank you for the input. I'm visiting CSU next week and would like get to talk with a resource in the Vet school.
I'd like to understand the science behind how working dogs deplete energy in the field beyond the obvious of dehydration, etc. The glycogen and electrolytes replacement seems pretty simple, but I'm not a vet or vet student...