Eating with diabetes If you, or someone in your family, has diabetes, you'll know that it can sometimes be difficult to know what to eat. Start here for the key information you need to make healthy food choices for a balanced diet. Food groups No single food contains all the essential nutrients you need. That’s why you need to consume foods from each of the main food groups. Myth: "I can't eat fruit if I have diabetes." Diabetes UK Clinical Advisor and Dietitian, Douglas Twenefour, talks about fruit as part of a healthy, balanced diet. Carbohydrates Carbohydrates are our main source of energy and provide important nutrients for good health. Understanding food labels If you buy pre-packed foods and drinks, deciphering the information on the labels can help you make healthier choices.