Energy balance
Achieving a 5% weight loss over one year results in substantial direct medical cost savings for people with obesity, with savings increasing alongside higher obesity severity.
You do not need to achieve massive weight loss to see financial benefits. Losing just 5% of your body weight within a year can lead to substantial savings in direct medical costs, with the greatest savings seen in those with higher obesity severity (Class II and III). Focus on achieving this modest, sustainable reduction.
Substantial savings were associated with 5% weight loss over 1 year (n = 5 studies).
Why this rating
Based on a systematic review of 32 studies, including observational and economic model data.
Source
Costs of obesity, obesity-related complications, and weight loss in the United States: A systematic literature review
Alison M. Bjornson et al. · Journal of Managed Care & Specialty Pharmacy · 2025
DOI 10.18553/jmcp.2025.25051
More from this paper
- Obesity severity (Class I, II, III) is directly correlated with increased direct medical costs, with Class III obesity costing up to 3.3 times more than normal weight individuals.Good
- The presence of obesity-related complications (e.g., Type 2 Diabetes, Hypertension) significantly amplifies medical costs, with costs up to 5.2 times higher for those with multiple complications compared to obesity alone.Good
Related findings · Energy balance
- Achieving a total body weight loss of 10-15% (or >10-15 kg) through Total Diet Replacement (TDR) induces remission of Type 2 Diabetes in individuals with short-duration disease.Strong
- Bariatric surgery is superior to medical management alone for inducing significant long-term weight loss, remission of type 2 diabetes, and reduction in mortality for patients with BMI ≥ 40 or ≥ 35 with comorbidities.Strong
- Achieving type 2 diabetes remission requires significant weight loss (≥15 kg) via major caloric restriction, independent of macronutrient composition.Strong
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