From the lab of Dr. Nathan S. Bryan, PhD

Tired by 2. Winded on the stairs.

You are not lazy. Something in the body changed. Most people never get told which part.

Eight questions. Under two minutes.

Dr. Nathan S. Bryan — 25+ years of NO research · 100+ peer-reviewed publications · 5 books · Dozens of issued US and international patents
Research Published In
Nature Chemical BiologyPNASCirculationHypertensionFree Radical Biology & Medicine
What people try

Coffee. A vitamin. Then they blame the birthday.

01
Another cup
The afternoon still wins. More coffee does not open the vessel.
02
Another bottle
A vitamin. A powder. A new routine. The stairs do not care.
03
The birthday
So they decide they are just getting old. That story is the one we check.
"By age 40, we have lost about 50% of our ability to produce nitric oxide in our blood vessels."
Dr. Nathan Bryan, Diary of a CEO, April 2025
Your NO Pathway
AgeAfter 30
WalksHambrecht '03
PlateKapil '10
SinkTribble '19
HeartBryan '06
NightEverson '05
Day
Acid pillBryan '18
In His Own Words
The first sign and symptom of nitric oxide deficiency is usually erectile dysfunction. We call that the canary in the coal mine.
Dr. Nathan Bryan
Diary of a CEO
You cannot destroy the oral microbiome without clinical consequences.
Dr. Nathan Bryan
The Primal Podcast
Nitric oxide is the master signal that tells blood vessels to open, mitochondria to produce energy, and the brain to function at full capacity.
Dr. Nathan Bryan
Deep Wealth Podcast
Without nitric oxide, your body cannot heal.
Dr. Nathan Bryan
Myers Detox Podcast
93% of Americans are metabolically unfit.
Dr. Nathan Bryan
Deep Wealth Podcast
It's the longevity molecule.
Dr. Nathan Bryan
American Muslim Today
If you're killing your oral microbiome and blocking stomach acid, your body can't make nitric oxide -- no matter how healthy your diet is.
Dr. Nathan Bryan
American Muslim Today
🧬
Hold on.
Reading what you just told us...
The years. The plate. The sink.
The thin door...
The bottle.
The door
--
NO Score

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Important: These statements have not been evaluated by the FDA. This assessment is educational, not medical advice. N1O1 products are not intended to diagnose, treat, cure, or prevent any disease.

© 2026 Institute of Applied Integrated Biophysics (IAIB). All rights reserved.
Methodology: Bryan (2005), Hambrecht (2003), Kapil (2010), Lundberg (2008), Tribble (2019).