Though the ketogenic diet is safe for healthy people, yet there could also be some initial side effects while your body adapts.
The more common ones aren’t usually serious: you would possibly have constipation, mild low blood sugar, or indigestion. Much less often, low-carb diets can cause kidney stones or high levels of acid in your body (acidosis). Other side effects can include the “keto flu,” which can include headache, weakness, and irritability; bad breath; and fatigue.
Keto flu includes poor energy and mental function, increased hunger, sleep issues, nausea, digestive discomfort, and decreased exercise performance.
To minimize this, you can try a daily low-carb diet for the primary few weeks. This might teach your body to burn more fat before you completely eliminate carbs. A ketogenic diet may also change the water and mineral balance of your body, so adding extra salt to your meals or taking mineral supplements can help. Many of the side effects of starting a ketogenic diet are often limited. Easing into the diet and taking mineral supplements can help.