So far as I know, the oldest in the English language at least, is Banting's Letter on Corpulence. Having lost weight and dramatically improved his health on a low carbohydrate diet. Banting wrote and self-published the book back in the Mid-Victorian era, and he distributed it for free.
Read More »Protein Power by Michael R. Eades & Mary Dan Eades (Paperback)
Based on cutting-edge research, this revolutionary, medically sound, deliciously satisfying plan has already helped thousands of patients lose weight and achieve other lifesaving health benefits, including lower cholesterol and blood pressure readings and an improvement or reversal of common disorders such as heart disease, adult-onset diabetes, and gout. Developed by Doctors Michael and Mary Dan Eades, the simple regimen calls for a new way of eating: a protein-rich, moderate-fat, low-carbohydrate diet that will have you feeling better and more energetic within a week, and correct blood sugar levels, high blood pressure, and elevated cholesterol within three weeks.
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