glp-1 news november 2025 Shortage = Over GLP-1 Trends

A steady, comfortable experience that allows you to thrive at each phase of the journey while still experiencing meaningful weight loss

What you need before your first injection Preparation separates a smooth injection from a stressful one

Plus, Vitamin B12, L-Methylfolate, and CoQ10 offer long-term energy support, helping you fight the fatigue that can come with GLP-1 therapy

No worsening of spinal CSF leak symptoms : Given the research I recap below about intracranial hypertension and use of GLP-1RAs to lower intracranial pressure, I was very concerned that this class of medication could worsen my spinal CSF leak symptoms

Exenatide is an injectable GLP-1 agonist, which mimics the action of naturally occurring GLP-1

Current FDA-Approved Weight Loss Medications: GLP-1 and Dual Agonists (Most Effective): Tirzepatide (Zepbound) Approval: November 2023 Mechanism: Dual GIP/GLP-1 receptor agonist Average Weight Loss: 15-22% of body weight Administration: Weekly injection Semaglutide (Wegovy) Approval: June 2021 Mechanism: GLP-1 receptor agonist Average Weight Loss: 10-15% of body weight Administration: Weekly injection Liraglutide (Saxenda) Approval: December 2014 Mechanism: GLP-1 receptor agonist Average Weight Loss: 5-8% of body weight Administration: Daily injection Older Weight Loss Medications (Less Effective): Phentermine-Topiramate (Qsymia) Approval: July 2012 Mechanism: Appetite suppressant + anticonvulsant Average Weight Loss: 7-9% of body weight Administration: Daily pill Naltrexone-Bupropion (Contrave) Approval: September 2014 Mechanism: Opioid antagonist + antidepressant Average Weight Loss: 4-5% of body weight Administration: Daily pill Orlistat (Xenical, Alli) Approval: April 1999 (prescription), 2007 (OTC) Mechanism: Lipase inhibitor (blocks fat absorption) Average Weight Loss: 3-5% of body weight Administration: Three times daily with meals Phentermine (Adipex-P, Lomaira) Approval: 1959 Mechanism: Appetite suppressant Average Weight Loss: 5-7% of body weight Administration: Daily pill Restriction: Short-term use only (12 weeks) Effectiveness Ranking: Why GLP-1 Medications Dominate: The top three most effective medications are all GLP-1 receptor agonists