Heart rate increase on GLP-1 — November 2025

PharmD_Rodriguez said:

I want to bring up the cardiovascular angle on cardiovascular risk.

Anti-inflammatory mechanisms of GLP-1 agonists and cardiovascular risk: beyond weight loss, GLP-1R activation directly suppresses NF-κB signaling, reduces NLRP3 inflammasome activation, and decreases monocyte/macrophage adhesion to endothelium[1].

Clinical correlates: hsCRP reduction of 30-60% (consistently seen across trials), reduced carotid intima-media thickness, and decreased coronary plaque inflammation on PET imaging.

These anti-inflammatory effects likely contribute to the cardiovascular benefit seen in SELECT — and may explain benefits beyond what weight loss alone would predict.

Dr.LeslieOBGYN said:

Metabolic syndrome resolution on cardiovascular risk: I went from meeting 4 of 5 diagnostic criteria to meeting ZERO after 12 months of treatment.

Bookmarking. The distinction being drawn above is the one nobody else makes.

PharmD_Rodriguez said:

I want to bring up the cardiovascular angle on cardiovascular risk.

Positive "side effect" of cardiovascular risk: my blood pressure dropped so much that I'm now off metoprolol entirely! My cardiologist is thrilled.

If you're on BP meds and losing weight on a GLP-1, monitor your BP at home regularly. Hypotension symptoms (dizziness, lightheadedness when standing) mean your BP meds may need reduction. Don't wait for your next scheduled appointment — call your doctor.

Dr.ObesityMed said:

Prescribed on cardiovascular grounds rather than for weight, and almost everything written for patients assumes the opposite.

Dr.ObesityMed said:

...we're creating a generation dependent on cardiovascular risk...

I understand the concern, but consider this analogy: are we "creating a generation dependent on" blood pressure medication? Cholesterol medication? Thyroid medication?

Obesity is a chronic disease with biological drivers. Treating it with medication is no different from treating any other chronic condition. The "dependency" framing implies weakness or moral failure — neither of which is accurate.

If ongoing medication is what keeps someone healthy, that's successful treatment, not dependency.

Moderator note: leaving this open. It is being argued well and the disagreement is the useful part. No action needed from anybody.