Another simple quick-start guide is on DietDoctor, which through various updating over the past 50 years, is based on the clinic diet used by Dr Westman, which is based on the clinic diet used by Dr Atkins around 1990, and in the Gary Taubes book, Why We Get Fat. http://www.kostdoktorn.se/wp-conten...starch_diet.pdf
Or https://www.dietdoctor.com/low-carb