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21 mai 2026 07h00 HE | Source: Medifast

The Human Layer in Weight Management: What OPTAVIA's Coaching Model Is Built to Do

OPTAVIA's coach-guided model delivers up to 10x more weight loss and 17x more fat loss than self-directed weight management, per peer-reviewed RCT.
21 mai 2026 07h00 HE | Source: Medifast

Weight Loss Coaching vs. App-Only Programs: What Published Research Shows About Long-Term Outcomes

OPTAVIA, backed by 18 RCTs, shows coach-guided weight loss delivers up to 10x more weight loss and 17x more fat loss than app-only programs.
15 mai 2026 13h00 HE | Source: Medifast

Peer-Reviewed Research Shows Structured Meal Replacement Programs Support Visceral Fat Reduction and Lean Mass Preservation

Peer-reviewed research shows OPTAVIA's structured meal replacement program reduces visceral fat 14% and preserves 98% lean mass over 16 weeks.