While there may be others, the lowest I have seen in the common food market (found at most grocery stores or easily bought online) is Peppridge Farm Light Breads. They range from 40 to 50 calories a slice, and have different kinds like High Fiber and Multi-Grain.
Many coffees are 0 calorie.
The lowest is a regular hamburger with 250 calories.
Diet sodas.
raimn noodles
Banana bran
granny smith
The lowest calorie steak cut available is typically the filet mignon, also known as tenderloin steak.
The lowest calorie beef option available is typically extra lean ground beef, which has less fat content compared to other cuts of beef.
Everclear is 150 calories per ounce which makes it lowest in calories compared to alcohol by volume.
Toasted bread does not have fewer calories than untoasted bread. The calorie content of bread remains the same whether it is toasted or untoasted.
Cod or tuna steak.
Most fruit is low calorie. Some of the lowest calorie fruits are strawberries, watermelon, and raspberries. Bananas tend to be higher in calories than other fruits.