Best example of this is zero calorie vegatiable oil cooking spray. The serving size is a hilarious 1 second squirt, which contains so few calories that they’re allowed to mark the can as zero calorie.
This is also why zero-calorie sweetener packets are the size they are. They’re allowed to round to the nearest 10, which includes rounding down to 0. So sweetener packets are realistically ~4.75-4.9 calories. That way they’re allowed to call it a “zero calorie” sweetener.
Best example of this is zero calorie vegatiable oil cooking spray. The serving size is a hilarious 1 second squirt, which contains so few calories that they’re allowed to mark the can as zero calorie.
This is also why zero-calorie sweetener packets are the size they are. They’re allowed to round to the nearest 10, which includes rounding down to 0. So sweetener packets are realistically ~4.75-4.9 calories. That way they’re allowed to call it a “zero calorie” sweetener.