I would suggest if you wanted to drink something low in sugar drink diet pop
Obviously eating a meal would be the best and most healthful option- but when I am in a situation where that isn't feasible- I have been drinking Premier Protein shakes- they are only 160 calories, only 5g carbs; 3g fiber, and a whopping- 30g of protein to keep me satisfied and my blood sugar level for longer.
I have been using EAS AdsvantEDGE carb control & ATKINS "SHAKES".
Best price for both I have found is at Walmart
I use Nectar Protein Powder - it's 0 carbs and recommended to gastric bypass surgery patients. I am going on my personal experience and I would suggest asking your Doctor before ever starting supplements or nutritional supplements to make sure they will be a good fit for you.
Protein bars are very useful for lunch or snacks at your desk or when you are traveling. I use Quest protein bars because they have between 3-5 carbs per bar. Carbrite is another brand that has low carbs as well. I usually purchase them from online vendors like Netrition.com because they aren't easy to find in the stores. It is much easier to carry these in my purse than the items given by the expert.
Check out Now brand of Yellow Pea Protein Powder, Non-GMO. One serving contains only 1 gram of carbs, 2 grams of fat, and 28 grams of protein. This product can be used in smoothies, soup, dip, etc. The best price I've found is from Swanson Vitamins, especially during a sale.
Another low carb protein is Puritan's Pride Soy Protein Isolate Powder. It contains 0 grams of carbs, 1 gram of fat, and 25 grams of protein per serving for the unflavored. This product works good in smoothies, gravies, soup, adds protein to oatmeal and can be used to add protein to many other recipes. The best price I've found for this is from Puritan's Pride Vitamins and I wait for the best sale price and stock up.
Power Crunch Bars!!! 10g per bar and are really filling