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 »BetterStevia Instant Tabs – 200 Stevia Tablets by Now Foods
BetterStevia Instant Tabs by Now Foods is a zero-calorie, low glycemic, natural sweetener that makes a perfectly healthy substitute for table sugar and artificial sweeteners. Unlike chemical sweeteners, Better Stevia Instant Tabs by Now Foods contains pure Stevia extract. Not the best packaging though.
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