Serum Zinc 55 mcg/dL — what does it mean?
Zinc
- What most labs call normal
- 60–120 mcg/dL
- Where you actually want to sit
- 80–110 mcg/dL
What this test is
Your level of zinc, a mineral your body uses in hundreds of everyday reactions.
What your number means
80–110 is the target. Under 60 is a clear shortfall, and it shows up most in how well you make fresh immune cells. Zinc runs low in vegetarians and older adults more than anyone else. Very high readings usually come from over-supplementing, which crowds out copper.
Why it matters
Zinc is a helper mineral for over 300 enzymes, including the ones that keep your immune cell production strong.
Zinc is like a master key that fits hundreds of your body’s tools, including the machinery that builds fresh immune cells. Without enough keys, a lot of those tools sit idle.
What to do about it
Nuts, seeds, legumes, dairy and seafood are the food routes; a modest supplement covers the rest. Don’t take large doses long-term without a doctor’s advice.
Where it sits in your Body Age
Serum Zinc is one of the tests behind Metabolic Fuel — Whether you have the vitamins and minerals your body needs on hand to repair itself. It is one of four areas that together give a single number: the age your body reads, next to the age on your birth certificate.
This page explains what a blood test measures. It is not a medical diagnosis and cannot tell you what your own result means for you — take that to a doctor.