David Mendosa is a freelance journalist and consultant on diabetes. Since 1995, his Web site, www.mendosa.com, has become one of the largest about diabetes. He publishes '"Diabetes Update'" online each month and is a coauthor of the book "What Makes My Blood Sugar Go Up and Down." Like comedian Rodney Dangerfield, glucose tablets and gels "don't get no respect." That's not good grammar, but nothing else better captures the low regard that many of us have for this wonderful product. ...glucose...is the sugar that our bodies use the fastest. Maybe it's the cost. None of the five manufacturers make expensive tablets or gels, and one brand of glucose tablets lists for less than a dime per tab. We might respect them more if they cost as much as, for example, test strips. Maybe it's the taste. Glucose tabs may look like candy, but they certainly don't taste as good. Actually, that's intentional. They don't taste bad, but they are medicine.…