Tag: Metabolic change

According to a study reported in the journal *Frontiers in Nutrition*, symptoms of 'keto flu' when starting a low-carb diet usually peak in the first week, diminishing in 2–4 weeks. However, the overall adaptation period varies among individuals depending on previous diet and metabolic health.

According to anecdotal reports, the adaptation phase for the carnivore diet, often called the “keto flu” or “carnivore flu,” typically lasts between two to four weeks as the body adjusts to using fat for fuel instead of carbohydrates. During this period, the body undergoes a significant metabolic shift known as 'fat adaptation,' which can cause a range of temporary symptoms.