Longevity#NAD+#Glutathione#B12
Building a longevity stack: NAD+, glutathione, and B12 together
How three of the most-requested longevity injections complement each other — and a sample weekly cadence members actually run.
DM
Dr. Marcus Chen, MD
Longevity & regenerative medicine
May 7, 20265 min read
Key takeaways
- No single injection does everything — stacks cover energy, detox, and recovery.
- A common cadence: NAD+ x3, glutathione x2, B12 x1 per week.
- Clinician personalization based on labs always wins over copy-paste protocols.
No single injection does everything. The members who feel the biggest shift over a quarter usually run a stack — each piece doing something the others can't.
The roles
- NAD+ — mitochondrial energy and DNA repair
- Glutathione — oxidative stress and liver detox
- B12 — red blood cells, nerves, and methylation
A realistic weekly cadence
A common rhythm: NAD+ three mornings a week, glutathione twice, B12 once. Clinicians personalize this based on labs, goals, and tolerance — but it's a starting point that's worked for thousands of members.
"Stacks aren't about doing more. They're about each piece covering what the others can't."
Source: PubMed Central (NIH)
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