What is protein grade 4? Deciphering Nutritional vs. Medical Scores
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4 min read
According to the Food and Agriculture Organization (FAO), protein quality is measured using specific scientific methodologies, not a simple 1-4 grading scale. The term "protein grade 4" is therefore a misnomer in nutritional contexts, often confused with medical test results for protein in urine. This article clarifies this key distinction and explains the official methods used to evaluate protein quality.
