SINGAPORE – Weighing 115kg and standing at 1.74m, Mr Tan Ban Thong had trouble buying clothes. Walking a short distance left him breathless and flying was tough as airplane seats were often not wide enough.
The 60-year-old deputy director of human resources is in a much better place today after he shed 25kg last year.
The breathlessness has gone away, and he has better control of his health issues, including diabetes, hypertension and non-alcoholic fatty liver disease.
The secret to his success is the Healthy Ketogenic diet developed by Dr Lim Su Lin, the chief dietitian at the National University Hospital (NUH).
The key feature of the diet is keeping to a net carbohydrate level (carbohydrates minus fiber) of 50g or less a day to induce ketosis, where stored fat (instead of glucose) is broken down to provide energy.
That works out to three or 3½ slices of white bread,
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