My Latest Blood Test Results: April 2024

  • by Nils Osmar. April 5, 2024
  • This post is not intended as, and should not be taken as, medical advice. 
  • See full Medical Disclaimer

I’ve been having my blood tested for the past year and a half and entering the results into two apps, and PhenoAge, which have been found to correlate reasonably well with results of the GrimAge epigenetic test. has, unfortunately, closed up shop. When it was around (last year), it estimated my biological age as around 41-42 years old.  (Those were the days!)

My latest results in PhenoAge

PhenoAge is fortunately still out there. It has never quite as generous in its estimates as  (As we get chronologically older, PhenoAge changes its estimate of our age, even if our biomarkers have not changed.) PhenoAge has usually estimated my age for the past year or so as being around 7-10 years younger than my chronological age.

My current PhenoAge results:

  • My chronological age is 71.
  • My biological age (PhenoAge) is 63.5
  • The difference is 7.8 years
  • Translation: My biological age is 7.8 years younger than my chronological age (as estimated by PhenoAge)

What’s it all mean?

  • I’ve never taken either PhenoAge or literally. ( usually estimated my age as being around 41, but people meeting me don’t think that.) Instead, I interpret them as saying, “You have the biomarkers of a man who is ___ years younger (or older) than you.” 
  • One thing I find interesting about my latest blood test result is that if I play with the numbers, I can see what I would need to do to get “younger” (using the PhenoAge spreadsheet).

Concerning results

There was one concerning result in my most recent blood tests. One was that my Apolipoprotein B has gone up a little, I’ll be experimenting with adding in more HIIT exercise, which has lowered my apoB in the past.

Testosterone test

I’ve also had my testosterone tested recently, but have not yet gotten the results; when I do, I’ll share them in another post.

How to get tested

You can download the PhenoAge calculator (latest version) on this page on Mike Lustgarten’s website. I get the blood tests through LifeExtension. See this page.

Not medical advice

This article is not intended as, and should not be taken as, medical advice. I’m not advising that people eat any particular diet or take any particular supplement(s), just reporting on what I’m doing. Supplements, like medications and other interventions, can have side effects; I would encourage people to research both possible benefits and side effects before starting on any supplementation regimen, and consult with a medical professional about any issues which might have a medical component.  See full Medical Disclaimer

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