Semaglutide cardiovascular benefit independent of weight loss — March 2026

Dr.NateNeph said:

Dizziness and cardiovascular risk: I was lightheaded for the first 3 weeks.

SUSTAIN-6 was the first CVOT to show cardiovascular benefit with semaglutide, relevant to cardiovascular risk. In 3,297 T2DM patients with high CV risk: MACE HR 0.74 (95% CI 0.58-0.95, p=0.02)[1].

Notable: the retinopathy signal in SUSTAIN-6 (HR 1.76) was subsequently attributed to rapid A1C reduction in patients with pre-existing retinopathy — not a direct drug effect. This has been confirmed in longer-term follow-up studies.

Dr.NateNeph said:

Dizziness and cardiovascular risk: I was lightheaded for the first 3 weeks.

Dr.NateNeph 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: the sourcing question belongs in the vendor section and has been split out.

Dr.AddMedPHL said:

Dr.NateNeph said: ...we're creating a generation dependent on cardiovascular risk...

CRP reduction on cardiovascular risk — this is the lab result that excites me most:

Baseline hsCRP: 5.0 mg/L (high cardiovascular risk)
Month 6 hsCRP: 2.5 mg/L (moderate risk)
Month 12 hsCRP: 0.3 mg/L (low risk)

This level of inflammatory marker reduction is comparable to what you'd see with statin therapy. Combined with the weight loss, my 10-year ASCVD risk score dropped from 12% to 5%. My cardiologist is genuinely impressed.

Dr.AddMedPHL said:

Dr.NateNeph said: ...we're creating a generation dependent on cardiovascular risk...

Vitamin deficiency cascade with cardiovascular risk: after 6+ months of reduced food intake, I developed a subtle but important pattern: low B12 → elevated homocysteine → increased cardiovascular risk marker.

The connection: B12 is a cofactor for homocysteine metabolism. Without adequate B12, homocysteine accumulates. This is ironic — taking a CV-protective medication while developing a CV risk factor from reduced nutrition.

Solution: comprehensive vitamin supplementation and regular lab monitoring. Don't let the medication's benefits be undermined by nutritional deficiencies.