Nutrient Deficiencies: The restrictive nature of the keto diet can lead to nutrient deficiencies due to limited food choices.
Keto Flu: Transitioning to a keto diet can cause symptoms like fatigue, headache, and nausea known as "keto flu."
Digestive Issues: The low fiber content of the diet can result in digestive problems like constipation.
Increased Risk of Heart Disease: The high intake of saturated fats may increase LDL cholesterol levels and the risk of heart disease.
Potential Kidney Stress: The diet's high protein intake can put stress on the kidneys, especially for individuals with pre-existing kidney issues.
Negative Impact on Gut Health: The lack of fiber-rich foods can disrupt gut health and decrease diversity of gut bacteria.
Difficulty in Sustaining the Diet: The strict nature of the keto diet makes it challenging to maintain in the long term.
Impact on Athletic Performance: The diet may not support high-intensity exercise due to the lack of carbohydrates as a fuel source.
Social and Emotional Implications: Following a restrictive diet can lead to social isolation and emotional difficulties related to food.