Who figures it out? How do they know how many calories are in there? Like when it’s printed on a restaurant menu- does a restaurant just guess? And doesn’t that depend on exact measurements? Which we know can’t be exactly the same every time a person cooks a dish?
In: Chemistry
A restaurant doesn’t “guess” when they put the calories on a menu. They know the ingredients and roughly how many calories each ingredient has. Is it going to be 100%, exactly the amount of calories that’s printed every single time? No, probably not. There’s too much potential for variance. But the idea is to give you a general sense of how many calories you’re consuming. If you order something that says 1,000 calories, it might be 950, it might 1050, but at least you know generally what you’re consuming.
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