How are companies able to measure the amount of calories and composition of the packaged food they are selling? How do we as consumers know it’s accurate?

Question

How are companies able to measure the amount of calories and composition of the packaged food they are selling? How do we as consumers know it’s accurate?

In: Other

Answer 1

One thing to note is they are allowed per the FDA to have a 20% discrepancy in either direction. So a food labeled as 100 calories could be anywhere between 80-120 calories.