High in Protein. Low in Sugar. One of the most significant diet dangers revolves around sugar consumption. A typical full-sized candy bar can contain up to 40 grams of sugar! This is problematic because several studies have shown that excess sugar in the diet contributes to increased risk of developing heart disease and diabetes, increased triglycerides, weight gain and malnutrition. Our protein bars average 5g of sugar with some containing only 1g of sugar!