Asparagine

An amino acid involved in protein synthesis and nitrogen transport.

Last reviewedJune 16, 2026

Plasma

sample type

~5 mL

blood needed

~7 days

results in app

Morning, fasting

best timing

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On this page

Why test Reference ranges What you'll learn What affects it How testing works Sources FAQ

In short

Asparagine is a non-essential amino acid the body can make for itself. It is built from aspartic acid and helps the body handle nitrogen, build proteins, and support nerve and brain function.

Comprehensive Health Check

Reviewed against DGKL reference practice.

Why test this?

It is measured as part of a plasma amino acid profile. Levels reflect protein metabolism and nitrogen handling. It is read for context within the wider panel rather than as a stand alone test of any single condition.

What is a normal result?

Aniva reads your result against research-backed ranges, not just the lab's wide normal. The reference shown below is specific to this biomarker.

Group	Adult fasting plasma range
Adults	35 to 75 µmol/L

Amino acid ranges vary by laboratory and method. They are best read as part of the full plasma amino acid profile, not in isolation.

Ranges are guidance and vary by lab and assay, aligned with DGKL practice. Always read your result against your own lab's reference interval.

What insights will this test give you?

A view of protein metabolism and nitrogen handling.
Context for interpreting the wider amino acid profile.
A signal that, when unusual, may prompt a closer look at metabolic patterns.

What can affect this result?

What can skew the result

Recent protein intake, fasting state, and time of day affect the result. A fasting morning sample gives the most reliable reading.

Best interpreted with

Read as part of the full plasma amino acid profile.

How is this tested?

Sample

Plasma

Blood needed

~5 mL

Method

Ion-exchange chromatography or LC-MS/MS

Best timing

Morning, fasting

Sources. The evidence behind this

Mayo Clinic Laboratories: Amino Acids, Quantitative, Plasma
MedlinePlus: Plasma amino acids

Common questions

Which Aniva panels include this marker?

Amino Acids

These tests assess essential, non-essential, and branched-chain amino acids, plus related metabolites and functional ratios.