The Uniqueness of Heiner's 35: 35 calories per slice; 0g trans fat; Cholesterol free; Low fat. Today, many of us count calories. Heiner's 35 is indeed smart eating. If you don't watch your figure, who will? Calorie Comparison per 18g Slice: 35™ Wheat Bread has 35 calories. Regular Wheat Bread** has 48 calories. 35 Calories per Slice 25% Fewer Calories than Regular Wheat Bread Kosher Dairy Low Fat and Cholesterol Free