---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-048574"
form_type: "8-K"
ticker: "MED"
cik: "0000910329"
company_name: "MEDIFAST INC"
filed_at: "2026-07-17T12:33:58+00:00"
generated_at: "2026-07-17T12:35:08.539972+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Medifast rebrands OPTAVIA to Trilivy, launches metabolic health system with new products

## Summary
- New brand Trilivy replaces OPTAVIA, expanding from weight loss to metabolic health for over 90% of U.S. adults.
- Trilivy Reset Fueling line with MetaVantage Technology aims to optimize metabolism and reduce waist circumference.
- Clinical data: 14% reduction in visceral fat in 16 weeks and 98% lean mass retention during weight loss.
- Three-phase system: Reset (reverse metabolic dysfunction), Refine, Renew to support healthspan.
- Newly formulated Fuelings to debut in August 2026; coach-supported program shows up to 10x more weight loss.

## SEC filing metadata
- accession: 0001628280-26-048574
- form_type: 8-K
- ticker: MED
- cik: 0000910329
- company_name: MEDIFAST INC
- filed_at: 2026-07-17T12:33:58+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/910329/000162828026048574/0001628280-26-048574-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/910329/000162828026048574/med-20260717.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-048574
- JSON: https://secwatch.observer/filing/0001628280-26-048574.json
- Plain text: https://secwatch.observer/filing/0001628280-26-048574.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.