What do your Methylmalonic Acid levels mean?
The short answer
Nobody we follow has put a number on your Methylmalonic Acid level. They talk about the dose you take, not the level in your blood.
Your lab prints 0–378 nmol/L. That range exists to catch disease, not to describe your best.
What Methylmalonic Acid measures
A compound that piles up when B-twelve falls down on its job inside cells.
It can show a shortage while a direct B-twelve measurement still reads fine.
Checked against MedlinePlus — Methylmalonic Acid (MMA) Test.
Common questions
What is a normal Methylmalonic Acid level?
Most US labs print 0–378 nmol/L. Your report grades you against that range. It exists to catch disease, not to describe your best.
What does your Methylmalonic Acid number mean?
Under 0 nmol/L, your report marks it low. Between 0 and 378 it prints as normal. Over 378, your report marks it high. Nobody we follow has drawn a line inside that range.
What does the Methylmalonic Acid test measure?
A compound that piles up when B-twelve falls down on its job inside cells. It can show a shortage while a direct B-twelve measurement still reads fine.
Why is there no target here?
Because the people we follow discuss Methylmalonic Acid as something you eat or take. Nobody has said what the level in your blood should be.