One serving of Nabisco chocolate wafers contains 140 calories. Of these, 40 are contributed by fat, while the majority comes from the carbohydrates, which make up three-quarters of the chocolate wafer.
Although Nabisco chocolate wafers are high in sugars, they contain no cholesterol and are also rich in iron. According to CalorieCount.com, one serving of the wafers gives offer four percent of one's daily dietary fiber requirement and seven percent of the daily fat requirement. People can eat the wafer as a snack or an energy booster. However, excessive consumption of sugary foods such as wafers may put one at risk of becoming overweight or obese due to their high caloric content.