However, there are also numerous negative side effects of the diet.

• Hypocalcaemia (calcium deficiency)

• Nausea

• Bad breath

• Severe headaches

• Dizziness

• Leg cramps

• Renal stones

• Kidney stones

• Constipation

• Affected cognitive ability

• Hyperuricemia

• Ketoacidosis

• Diuresis

• Weakness

• Hypertension

• Vitamin deficiencies