Aspartic Acid

An amino acid involved in the urea cycle and neurotransmission.

Last reviewedJune 16, 2026
Plasma
sample type
~5 mL
blood needed
~7 days
results in app
Morning, fasting
best timing
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In short

Aspartic acid, also called aspartate, is a non-essential amino acid. It helps build proteins, takes part in the urea cycle, and acts as a signalling molecule in the nervous system. It also feeds into the body's energy and nitrogen pathways.

Comprehensive Health Check
Reviewed against DGKL reference practice.
Why it matters

Why test this?

It is measured as part of a plasma amino acid profile. Blood levels are normally low because it is used quickly inside cells. It is read for context within the wider panel rather than as a stand alone test of any single condition.

Reference ranges

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.

GroupAdult fasting plasma range
Adults0 to 15 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 you'll learn

What insights will this test give you?

  • Context on protein, energy, and nitrogen metabolism.
  • Help interpreting the rest of your amino acid profile.
  • A signal that, when unusual, may prompt a closer look at metabolic patterns.
What affects your level

What can affect this result?

What can skew the result

Recent protein intake, fasting state, time of day, and delays in processing the sample 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 testing works

How is this tested?

Sample
Plasma
Blood needed
~5 mL
Method
Ion-exchange chromatography or LC-MS/MS
Best timing
Morning, fasting
FAQ

Common questions

Related biomarkers

Markers usually read alongside this one

On this page
Why testReference rangesWhat you'll learnWhat affects itHow testing worksSourcesFAQ
✦ Privately insured? German PKV usually reimburses.

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