Who has seen the commercials for the new GLP-1 pills? Every time I see these commercials.....my eyes roll....straight out of my head! 👀 Here is the SCIENTIFIC REASONING behind why GLP-1 pills are one of the biggest GIMMICKS right now: GLP-1 “pills” sound convenient—but the reason most don’t work well (or at all) comes down to basic biochemistry and human physiology. Here’s the science broken down clearly: 1. GLP-1 is a fragile peptide (not a typical drug) GLP-1 drugs (like semaglutide, tirzepatide, or liraglutide) are peptides, meaning they’re made of amino acid chains—basically like tiny proteins. Problem:Your digestive system is designed to break proteins apart. - Stomach acid (pH ~1–2) denatures peptides - Enzymes like pepsin, trypsin, and proteases chop them up Result:Before a GLP-1 peptide can reach your bloodstream, it gets destroyed in your gut 2. Poor absorption through the intestinal wall Even if some peptide survives digestion: - Peptides are large and water-soluble - The intestinal lining prefers small, fat-soluble molecules This creates a major barrier: - GLP-1 molecules can’t easily pass into the bloodstream Result:Very little (if any) active drug gets absorbed 3. Rapid breakdown by enzymes (DPP-4) Your stomach DESTROYS peptides GLP-1 drugs like semaglutide, tirzepatide and liraglutide are peptides (chains of amino acids). Your digestive system is literally designed to break these down. - Stomach acid = extremely harsh (pH 1–2) - Enzymes = protein-cutting machines Even if GLP-1 makes it into circulation: - It’s rapidly broken down by an enzyme called Dipeptidyl peptidase-4 (DPP-4) Natural GLP-1 has a half-life of:~1–2 minutes Result:It disappears almost immediately unless chemically modified 4. Why injections work (and pills struggle) Injectable GLP-1 drugs are engineered to bypass all of this: - Avoid the digestive tract entirely - Modified to resist DPP-4 breakdown - Designed to resist breakdown - Stay active for days instead of minutes - Designed for slow release (long half-life)