The Lennox Journal / Issue 01

Longevity science,
with the caveats intact.

Patient education

Clear explanations of mechanisms, evidence, risks, and the questions that belong in a provider conversation.

NAD+Longevity science

August 14, 2026 · 3 min read

NAD+: What the Science Measures - and What It Does Not

NAD+ is essential to cellular energy and repair. Here is what human studies can tell us - and where longevity claims move beyond the evidence.

All field notes

4 articles

NAD+ is essential to cellular energy and repair. Here is what human studies can tell us - and where longevity claims move beyond the evidence.

A clear guide to how tirzepatide works, what FDA-approved use means, and why benefits, risks, and formulation must be discussed together.

Sermorelin acts upstream in growth-hormone signaling. Learn what that mechanism means, what it cannot promise, and why product context matters.

Glutathione is central to the body’s antioxidant systems, but route and formulation change the evidence. Here is how to read the claims carefully.