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Ideal body weight is calculated to help determine an appropriate weight for height or to determine a long term weight loss goal. When estimating an Ideal Body Weight or Goal Weight for overweight and obese clients we recommend that you use the ‘Adjusted Ideal Body Weight’ calculation. This equation allows for 25% of excess metabolically active body weight (lean muscle mass), giving you a more appropriate estimate of an Ideal Body Weight for that individual. Just aiming for the healthy weight range for height or a BMI of 25 may not be appropriate or realistic for all patients.
It is also important to remember that even a 5-10% weight loss can result in significant reductions in co-morbidities. Therefore even though you may be working to a long term weight loss goal, small incremental weight losses can result in large health benefits.
The equation for calculating Adjusted Ideal Body Weight is;
Adj IBW = [(Actual Body Weight –IBW) x 0.25] + IBW Where IBW = Weight at BMI 25
The table below allows you to work out what the IBW at a BMI of 25 is for your patient’s height
Optifast® VLCD™ is a food for special medical purposes and must be used under the supervision of a health care professional.
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