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Related Experiment Videos

Meal replacements in weight intervention.

J M Ashley1, S T St Jeor, S Perumean-Chaney

  • 1Nutrition Education and Research Program, University of Nevada School of Medicine, Reno, 89557, USA. jashley@unr.nevada.edu

Obesity Research
|November 15, 2001
PubMed
Summary
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Meal replacements (MRs) significantly enhanced weight loss in premenopausal women when integrated into dietitian-led programs. This approach proved more effective than traditional methods or office-based interventions alone.

Area of Science:

  • Nutrition Science
  • Obesity Research
  • Clinical Intervention Studies

Background:

  • Overweight premenopausal women often seek effective weight management strategies.
  • Traditional weight loss interventions may have variable success rates.
  • The role of meal replacements (MRs) in structured weight loss programs requires further evaluation.

Purpose of the Study:

  • To assess the efficacy of meal replacements (MRs) within different weight loss intervention models for premenopausal women.
  • To compare a dietitian-led intervention with and without MRs against an office-based intervention with MRs.

Main Methods:

  • A randomized controlled trial involving 113 overweight premenopausal women (BMI 25-35 kg/m², aged 30-50).
  • Three groups: dietitian-led (A), dietitian-led with MRs (B), and office-based with MRs (C).

Related Experiment Videos

  • Interventions varied in session frequency and format over two years.

    • Main Results:

    • After year 1, the MRs-inclusive dietitian group (B) achieved significantly greater weight loss (9.1%) compared to dietitian-only (A: 4.1%) and office-based (C: 4.3%).
    • After year 2, group B continued to show superior weight loss (-8.5%) versus group A (-1.5%) and group C (-3.0%).
    • Statistical significance was maintained throughout the study (p < 0.02 for year 1, p < 0.001 for year 2).

    Conclusions:

    • Integrating meal replacements into dietitian-led weight loss programs significantly enhances effectiveness in premenopausal women.
    • MRs are a valuable tool for weight management in both clinical and dietitian-led settings.
    • Dietitian-guided interventions incorporating MRs offer a superior approach to weight loss compared to traditional methods or office-based programs alone.