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Nutritionist Guide

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Protein

Protein is one of the few nutrition topics where a number can be useful, if you know whether that number is a deficiency floor, an athletic target, or a marketing slogan. We cover requirements by age and activity, food quality, and the limits of high-protein diets.

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Raw beef steak on a wooden board, seasoned with peppercorns and salt
Protein

How much protein do you actually need?

The official target prevents deficiency. It is not a prescription for muscle, aging, or weight. Here is how to read the numbers, and when more is not better.

11 min read