Articles

Deep dives into vascular health, nitric oxide protocols, and executive longevity.

Head-to-Head Comparisons

Arginine vs. Citrulline: The Nitric Oxide Wars

Why specific precursors fail in the presence of endothelial dysfunction, and what actually works.

Arterosil vs. Endocalyx: Which One?

A head-to-head breakdown of Rhamnan Sulfate vs. Fucoidan for vessel lining repair.

The Soft Plaque Paradox

Why a "Zero" Calcium Score doesn't mean you're safe from a heart attack.

Hone Health Alternatives

Medication vs. root-cause approaches to ED and low testosterone.

Cenegenics Alternatives

Comparing comprehensive age management to focused vascular optimization.

Deep Dive Articles

Brain Fog, ED, & Fatigue

They aren't separate issues. They are the same vascular problem showing up in different organs.

Best Vascular Protocols 2026

The definitive guide to restoring flow, from supplements to lifestyle interventions.

Beyond Viagra: Managing the Root Cause

Moving from "Rentals" (pills) to "Ownership" (physiological function).

The 90-Day Restoration Roadmap

What to expect when you commit to fixing your vascular system. A timeline of repair.

Your Doctor Said You're Fine. Your Body Disagrees.

Why standard labs miss vascular dysfunction — and what markers actually matter.

The Blood Vessel Lining Your Cardiologist Doesn't Measure

The glycocalyx controls vascular function but isn't part of standard testing.

What We Test That Your Doctor Doesn't

The vascular markers that detect dysfunction years before it shows on standard panels.

Vascular vs Hormone Approach to ED

Understanding whether blood flow or hormones are the limiting factor.

← Back to Home

Medical Disclaimer

GRN Labs provides educational content and data-driven biomarker audits. We are not medical doctors, and nothing on this website constitutes medical advice, diagnosis, or treatment. This content is for informational purposes only and is not intended to replace the relationship between you and a qualified healthcare provider.

These statements have not been evaluated by the Food and Drug Administration (FDA). Any products or protocols discussed are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary. Always consult your physician before beginning any new supplement, diet, or health regimen.