Tag: Day 3 keto

According to many anecdotal reports, the so-called 'keto flu' often peaks between days three and five of starting the diet. This period is precisely when you'll encounter **what to expect on day 3 of a keto diet**, as your body transitions its primary fuel source from glucose to fat.

By day 3 of a very low-carb ketogenic diet, your body has typically used up its primary glycogen stores and begins the difficult transition to burning fat for fuel. This metabolic shift, though temporary, is often when people feel the most pronounced side effects, commonly known as the 'keto flu'.