10 Keto Flu Symptoms
Symptom #10: Lethargy
The switch from a high-carbohydrate diet to a predominantly high-fat or keto diet can be met by feelings of lethargy and reduced energy for performing tasks. This experience is due to the metabolic adjustments that the body undergoes during the transition period.
Since carbohydrates are the standard sources of energy during metabolism, a changeover to using fats or ketones may require a period of acclimatization before the body is capable of producing similar levels of energy as that produced from the previously high-carbohydrate diet. The lethargy can be explained by a reduction in the levels of hormones that promote high-energy activities as described elsewhere in this discussion.
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