When patients start a GLP-1 medication like semaglutide or tirzepatide, the question is usually "How much weight will I lose?" I want you to ask a better one: "What kind of weight am I losing?" The scale can't tell fat from muscle. On a GLP-1, a meaningful share of the weight lost can come from lean mass. Protein is one of the most powerful tools for protecting your muscles.

By JoBeth Augustyniak, DO Board-Certified Family Medicine (AOBFP) Published June 17, 2026 · Medically reviewed by JoBeth Augustyniak, DO on June 17, 2026 About the author → A real patient encounter that led me down a research rabbit hole — and what I found. By Dr. JoBeth Augustyniak, DO, AOBFP | Attune Direct Care & Wellness | Metabolic Health Intricate visualization of the human nervous system, highlighting the complexity and intensity of nerve pathways where severe nerv