By the way, doctor: How much protein should I eat?
The protein we eat is also broken down into amino acids. Some of these are "essential amino acids," so named because the body can't make them, and they must be obtained through food. We don't need to get all the essential amino acids in every protein source, but we do need all of them in our diets. We can't store amino acids, so we need to replenish them daily through the proteins we eat.
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