Natural source of flavanol antioxidants. Individually wrapped bars. 0 grams trans fat. Sweet. Smart. Satisfying! Hershey's 100-Calorie packs. Balanced indulgence in one convenient pack. The natural antioxidants found in tea and certain fruits can also be found in Hershey's Dark Chocolate. Enjoy in moderation as part of a healthy diet and active lifestyle. One serving (1 bar) contains 100 calories and 5 g of fat. Hershey's Dark Chocolate contains 45% cacao.