Magno

Inflammation

Homocysteine on TRT

What the number means, why it moves on a protocol, and how it sits with related markers.

Updated 2026-11-08 · Part of the Magno guides

What it is

Homocysteine is an amino acid that builds up when the B vitamins that recycle it run short. High levels are linked to artery damage and clot risk.

The range

How to read the lab range

Labs accept up to about 15 µmol/L; under 10 is commonly quoted as better.

Why it moves on a protocol

How Magno reads it

Magno keeps every test on one line, against your lab's range, with the change since last time. Pro explains it in plain words. Get Magno for iPhone.

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Drop your lab PDF or a photo and get every marker explained in plain words. Free, no account, your file never leaves your browser. Track it in the iPhone app to see the change since your last test.

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Questions people ask

Does homocysteine matter on TRT?

A high hematocrit and a high homocysteine both add to clot risk, so they are worth reading together with your doctor.

Related markers

Not medical advice

This explains what the number is and why it moves. It is not medical advice; decisions belong to you and your clinician.