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Effect of a post-dinner snack and partial meal replacement program on weight loss
Jillon S Vander Wal1, Sandia M Waller, David M Klurfeld
1Department of Psychology, Saint Louis University, St Louis, Missouri, USA.
International Journal of Food Sciences and Nutrition
|July 20, 2006
Summary
A partial meal replacement (PMR) program effectively reduced weight in obese night snackers. However, adding a structured post-dinner snack did not significantly improve weight loss outcomes compared to no snack.
Area of Science:
- Obesity research
- Nutritional science
- Metabolic health
Background:
- Obesity is a significant public health concern.
- Night snacking is common among individuals with obesity.
- Partial meal replacement (PMR) programs offer a novel approach to weight management.
Purpose of the Study:
- To evaluate the efficacy of a novel partial meal replacement (PMR) program for weight loss.
- To determine if a structured post-dinner snack enhances weight loss in obese night snackers within a PMR program.
Main Methods:
- A randomized controlled trial involving 60 obese adults (BMI ≥30 kg/m²).
- Participants were assigned to either a 'post-dinner snack' group (n=29) or a 'no snack' group (n=32).
- Both groups participated in an 8-week PMR program.
Main Results:
- Both groups achieved significant improvements in weight, BMI, body fat, waist circumference, and HDL-cholesterol.
- No significant difference in weight loss was observed between the 'post-dinner snack' and 'no snack' groups.
- The PMR program demonstrated overall effectiveness in promoting weight loss and improving metabolic markers.
Conclusions:
- A structured post-dinner snack does not enhance weight loss outcomes in obese night snackers undergoing a PMR program.
- The PMR program itself is effective in inducing beneficial weight loss and improving health indicators for obese individuals who snack at night.
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