Metabolic
Biomarker

AST

Included in Essential Labs
Why we test it
Aspartate aminotransferase (AST) is an enzyme found in the liver, heart, and muscles. Because it comes from multiple sources, elevated levels need to be interpreted alongside ALT to locate the damage.
BetterBrain target
< 25 U/L (ideal < 20)
Elevated AST alongside ALT signals metabolic stress impairing brain support.
What you Can do
  1. Mediterranean diet
  2. Limit alcohol
  3. Strength training
  4. Omega-3 (fish oil)

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