Pump Up Your Nutrition with Yummy Snacks and Refreshing Purified Water. To help reduce blood sugar levels, people with Diabetes should reduce intake of sugar and carbohydrates. Eating Diabetic snacks that provide at least 2 grams of fiber per serving is a great choice. The items shown below can help with many of the different symptoms of the illness, such as balancing glucose levels. When suffering from diabetes, it is also important to keep yourself hydrated by drinking plenty of water. Glucose levels can rise if you are not properly hydrated, so drinking lots of water is crucial. Don't drink just tap water -- Drink purified H₂0. It tastes much fresher. Try using the water purifiers below. To encourage drinking more water, try placing purifying water pitchers in several locations in your home.