Longevity
Longevity Peptide Stack: Hope vs Evidence
Interesting biology, no proof of extra years, basics first.
The quick version
- Epithalon, NAD+, and GHK-Cu are the usual pieces.
- No peptide is proven to extend human lifespan.
- Sleep, training, and food still win. Treat this as optional.
The goal
The goal is slower aging and better healthspan. This is the stack with the biggest gap between excitement and proof, so expectations matter most here.
What people actually run
Common pieces are epithalon for telomeres, NAD+ or its precursors for cell energy, and GHK-Cu for skin and tissue. Some add a GH blend for recovery and sleep.
How it is structured
Epithalon is run in short pulses a couple of times a year, NAD precursors daily or NAD by IV at clinics, GHK-Cu topically. The plain truth is that none of this is shown to add years, so people treat it as maintenance, not medicine.
What is actually supported
Here is the blunt part: no peptide is proven to extend human lifespan. Epithalon lengthens telomeres in cells (Brunel et al., 2025) but lacks strong human outcome data, and injected NAD+ has no outcome trials. Interesting biology, no lifespan proof.
The common mistake
The mistake is spending big on unproven anti-aging vials while skipping the proven stuff: sleep, training, food, and not smoking. Those still win.
Bottom line
A longevity stack is built on interesting biology and thin human proof. Treat it as optional, and put the basics first.
Sources
Reminder: I am not a doctor and this is not medical advice. It is my own notes and reading of the research. Peptides sit in a legal grey area, research-grade is a real category, and it is on you to verify your own compliance. Talk to a qualified professional before you start anything, especially if you take other medication.