Business UpdateMay 15, 2026, 01:01 PM
Medifast's OPTAVIA Clinically Validated for Lean Mass Preservation
AI Summary
Medifast announced that its OPTAVIA metabolic health system is clinically validated by extensive peer-reviewed research, including 18 randomized controlled trials. The company highlighted the importance of randomized controlled trials for proving program efficacy, emphasizing that OPTAVIA's Optimal Weight 5 & 1 Plan helps preserve 98% of lean mass over 16 weeks. Additionally, the data shows that clients utilizing OPTAVIA coaches achieve significantly better weight and fat loss outcomes compared to those without coaching support.
Key Highlights
- Global weight loss industry valued at $16.3 billion in 2025.
- OPTAVIA's clinical approach supported by 18 randomized controlled trials and 100+ peer-reviewed publications.
- A 16-week trial found individuals on OPTAVIA's Optimal Weight 5 & 1 Plan retained 98% of lean mass.
- Clients with coaching lost up to 10 times more weight and 17 times more fat than those without.
- Average weight loss on the Optimal Weight 5 & 1 Plan is 12 pounds over 12 weeks.
Price Impact
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