Not really low carb, mainly just watching my GI. If I do have sugar, I try to have it with fruit or something to lower the GI. I'll try coconut water. I'm training for Bike Across Kansas and I'm just going to guess that coconut water might be a little hard to find out there.
I looked at the label on the V8, and it has sodium, potassium, and calcium. The only thing missing is magnesium, and almonds have that. Looks like bananas have all of those too, not sure how much.
2009 Trek 7.2FX WSD, brooks Champion Flyer S, commuter bike