Nutrition

Every cyclist is different, everyone swears by a different energy company, here's just a few our members like.

Pacific Health Labs, Alex.
Makers of the Accelerade brand of energy drinks and gels, it's what I use to race and for intense training. They claim to have a semi-proprietary 4:1 ratio of carbohydrate to protein that enhances performance. It just makes me feel good, that's why I like it. The taste is a bit funky at first, I think the protein lends it a creamy-quality that took only a couple rides to get over. I also use Accelerade Hydro--the low-cal option--not for nutrition purposes, but I found the full on Accelerade drink to be way too strong, too sweet, and just one bottle of it gave me gut rot on a summer's day.
http://www.pacifichealthlabs.com/

Clif, Alex.
One of the more popular energy brands, at least in the US, I greatly enjoy their "blocks" and gels. Admittedly I have never tried their drink mix but their bars, gummy blocks, and gel shots have always worked well with me. The flavors are interesting and pretty varied. The ingredients are supposed to be more natural as well, which would lead me to believe that perhaps these products may work well for people with sensitive stomachs. Also, around Christmas, look for their fantastic seasonal flavored bars, my favorite being Iced Gingerbread.
http://www.clifbar.com/