Enveda Reports Positive Phase 1 Results for ENV-308 Exercise-Mimetic Pill Targeting Post-GLP-1 Weight Maintenance and Lean Mass Preservation
Enveda Biosciences (Boulder, Colorado, AI-enabled natural product discovery platform) reported positive Phase 1 results August 18, 2026 for ENV-308, a first-of-its-kind oral small molecule engineered to mimic the therapeutic effects of Lac-Phe (a hormone released during intense exercise) for the treatment of post-GLP-1 weight regain and lean-mass loss. In the Phase 1 trial (n=88 healthy volunteers), ENV-308 was extremely well tolerated including on gastrointestinal safety, and reduced circulating leptin as an exploratory metabolic-engagement signal. In animal studies, ENV-308 preserved lean muscle during weight loss and prevented weight regain after weight-loss therapy was stopped. Enveda cites the statistic that 1 in 8 U.S. adults use GLP-1 medications and the majority who take them for weight loss stop within one year. Phase 2 will test whether ENV-308 can help people maintain weight after stopping GLP-1s. Not a peptide, but the exercise-mimetic pathway is one of the leading commercial answers to the muscle-preservation and post-discontinuation regain problems that constrain the current peptide obesity therapeutic class.