The RDA for protein was established historically during World War II to determine minimum food supply requirements for troops overseas, based on nitrogen balance methodology developed around 1900 to measure efficient animal growth on farms
factualpending
Speaker
Dr. Don LaymanEvidence Quote
“most of it developed around World War II... they basically developed things that were related to nitrogen retention... nitrogen balance”
Source
The ultimate protein episode: Nutrition scientist Don Layman, Ph.D. | mbg Podcast— the mindbodygreen podcastCreated: 8/12/2026, 6:22:02 PM
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