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At the store, bags of different types of rice or beans are sold by a number of companies. For a particular type (e.g. black beans), the companies will all usually list the same nutritional information. However, a few companies will occasionally have a variation in the number of calories of the amount of protein, with everything else remaining the same, including the serving size.

Is that information the result of laboratory work? Is there a way to explain why a few companies would list slightly different information?

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closed as off-topic by JohnP, Matt Chan Aug 14 '14 at 2:18

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions on nutrition are off-topic unless they relate directly to exercise." – JohnP, Matt Chan
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up vote 1 down vote accepted

To make this pretty simple. There are a lot of allowances allowed by the FDA and in other countries it can be even more lax. First the companies can use basically who ever they want to do calorie/analytical analysis. They can choose from 1 of 10 reports they get to best serve their target audience. To take it another step there are also rounding considerations that they get.

So if you have BLACKBEAN A vs BLACKBEAN B they are probably exact the same unless they have sugar/additives in the "sauce". But If BLACKBEAN B is targeting the protein crowd then they will obviously use the report that calculates the most (amount of protein) that they can round up to. But at the same time the amount of total calories has to be correlated with the amount of protein too (and fat/carbs). So by reporting more protein they are now the higher caloric choice. Just marketing. BLACKBEAN A gets the lower calorie target audience by reporting less protein. Same beans.

What happens if a company is wrong? Not much. If a consumer group or FDA comes in and says calorie info is wrong they just have to change it - if they don't they get fined. Really companies don't go too far off because of the bad press they would get.

The FDA is really concerned about the ingredients and accuracy there. It is really the most regulated part of the information that you get from packaging.

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Let me comment that New York City and some parts of California require calorie information in restaurants. IN NY for example you see how many calories your doughnuts are when you buy them. Well this is local and past the FDA. NY city is also more stringent on execution and punishment. – DMoore Aug 13 '14 at 21:59

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