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August 25, 1956


JAMA. 1956;161(17):1633-1636. doi:10.1001/jama.1956.62970170009006

The publication in mass-circulation journals of reducing diets low in protein, one containing 30-40 gm. from normal foods1 and the other a liquid formula diet containing even less,2 has created many inquiries concerning their safety and effectiveness. Discussion of both diets on radio and television programs and promotion of the liquid formula diet over a national hookup by television commercials and newspaper advertisements by the promoters of a syrup rich in dextrose and of corn oil have stimulated further inquiries. Runs on drugstores for dextrose became so large as to be reported in the business section of a news weekly.3

The low-protein diet, through normal foods,1 limits protein, it may be calculated, to 30 to 40 gm. daily, but (calories from) carbohydrate and fat are unrestricted in amount or type, so it is impossible to estimate the approximate nutritive composition of this diet. Although most of