Irritable Bowel Syndrome Message Boards

Hi,

Good to hear your test results were negative.

I am not sure how you are using the term *net* calories. Usually net calories is the difference between the calories you consumed and the calories you expended. If you are losing weight the net value will be negative. For example, if you eat 2000 calories and spent 2100 calories you net caloric intake is (2100-2000) or -100 calories.

Since you are losing weight you are either eating less than you expend and you net calorie intake is negative or you have a disease, disorder or other health issues. Since your doctor gave you a clean bill of health you are likely eating fewer calories than you expend.

One pound of body fat has about 3500 calories. If you are losing 4 to 6 lbs per month then your caloric deficit or net calorie is about -120 to -175 calories per day which is about equivalant to a medium banana or glass of orange juice.

Neither IBS nor fructose malabsorption is likely to account for the weight loss useless they are causing you to eat less than normal.

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STABLE: ♂, IBS-D 50+ years - Science of IBS

The FODMAP Approach to Managing IBS Symptoms
Evidence-based Dietary Management of Functional GI Symptoms: The FODMAP Approach
FODMAP Chart & Cheatsheet
The Role of Food & Dietary Intervention in IBS

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