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 »think! High Protein Bar Creamy Peanut Butter
Every bite of this Low-Carb & Keto think! Creamy Peanut Butter protein bar is packed with the delicious combination of creamy peanut butter and luscious chocolate. Each High Protein Bar blends delicious, crave-worthy flavors with the hunger-fighting protein punch you need to accomplish your goals.
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