Longevity, made legible.
Healthspanx was built to close the gap between what longevity science shows and what most people accept as inevitable. Clinical dosing. Transparent testing. Zero shortcuts.
Add years โ and life โ to the years.
- Formulate only what the science supports at clinical dose.
- Publish every third-party COA, without exception.
- Never hide behind proprietary blends or marketing gloss.
Why NAD+ matters after 40.
NAD+ is the coenzyme powering mitochondrial energy and DNA repair. Levels can drop up to 50% by age 60. NMN is the most-studied precursor to restore them โ and dosing is everything.
I built the supplement I wished existed.
At 41, Rosen watched his father's health decline sharply and became obsessed with what modern science could actually do about it. What he found: promising molecules, weak products. Healthspanx is his answer โ clinical dosing, obsessive testing, and a product he takes every morning himself.
How we got here.
The Idea
Two operators frustrated with opaque NMN brands begin sourcing pharmaceutical-grade material.
First Formulation
Clinical dosing at 500mg validated with independent labs.
Launched to Friends & Family
1,000 bottles shipped. Feedback drives a second-generation formula.
Public Launch
Healthspanx goes to market with third-party COAs on every batch.
100,000+ Bottles
Trusted by physicians, executives, and athletes across the US.
The rigor happens before the label.
- GMP-certified facility, manufactured in FDA-registered US labs.
- Third-party verification: ISO 17025 accredited independent labs.
- Traceable sourcing โ we audit our raw material partners.
- Stability tested on every SKU, real-time and accelerated.
What we won't compromise on.
Science first
We only ship compounds with peer-reviewed evidence and clinical dosing.
Radical transparency
Every batch, every lot. Every ingredient published, not hidden.
Clean formulation
No proprietary blends, no underdosing, no shortcuts โ ever.
Made in the USA
Formulated and manufactured in FDA-registered facilities.
Meet the people behind the product.
Dr. Alan West
PhD Molecular Biology. 20+ years in longevity research.
Rosen Valchev
Former healthcare operator building science-forward brands.
Dr. Priya Ramaswamy
Internal medicine physician specializing in preventive care.
Sarah Kim
15 years leading GMP compliance for supplement manufacturers.
Start your longevity protocol.
Join thousands investing in the science of aging โ one clinically-dosed capsule at a time.