Therapeutic use of intermittent fasting for people with type 2 diabetes as an alternative to insulin

BMJ Case Rep. 2018 Oct 9:2018:bcr2017221854. doi: 10.1136/bcr-2017-221854.


This case series documents three patients referred to the Intensive Dietary Management clinic in Toronto, Canada, for insulin-dependent type 2 diabetes. It demonstrates the effectiveness of therapeutic fasting to reverse their insulin resistance, resulting in cessation of insulin therapy while maintaining control of their blood sugars. In addition, these patients were also able to lose significant amounts of body weight, reduce their waist circumference and also reduce their glycated haemoglobin level.

Keywords: diabetes; diet; endocrine system; metabolic disorders; obesity (nutrition).

Publication types

  • Case Reports

MeSH terms

  • Adult
  • Aged
  • Diabetes Mellitus, Type 2 / blood
  • Diabetes Mellitus, Type 2 / diet therapy*
  • Diabetes Mellitus, Type 2 / drug therapy
  • Fasting*
  • Glycated Hemoglobin / analysis
  • Humans
  • Insulin / therapeutic use
  • Male
  • Weight Loss


  • Glycated Hemoglobin A
  • Insulin