semaglutide oral or injection vs Injectable Semaglutide: Ozempic Rybelsus? Novo Nordisk launched an oral

Continued loss may still happen, but the conversation often includes maintenance, muscle preservation, and long-term habits

Instead of being metabolized, excess carnitine is excreted in the urine through the kidneys as needed to maintain a stable concentration in the blood

Why this matters: injectable GLP-1s like semaglutide and tirzepatide achieve 15 to 20% weight reductions, but injections, cost, and adherence limit real-world use (Santulli review, Journal of Diabetes & Metabolic Disorders, 2025)

These drugs might also affect the level of other DPP4 substrates and might therefore have a more complex mode of action