They are sold under such names as Power Gel, GU and Pocket Rocket. As you know, bonking can be very discouraging, but once the gel takes effect the attitude really improves and sometimes that's what you really need the most. I think exercise physiologists have a lot they could teach those of us who work with laboring women. It is made for long distance bicycle riders, marathoners, etc. It is high in glucose and carbs and is very easy to digest.
Some women can keep it down when they are throwing up everything else.
Comes in flavors and in plain. I also use spirulina mixed in the water bottle for long labors. This seems to help keep moms going too. Please e-mail feedback about errors of fact, spelling, grammar or semantics. Permission to link to this page is hereby granted.