Back to all biomarkers
Cardiovascular
Homocysteine
An amino acid intermediate in methionine metabolism — elevated levels damage blood vessel walls.
Optimal Range
< 10 μmol/L (optimal) · > 15 μmol/L (elevated)
Why It Matters
High homocysteine is associated with increased risk of heart attack, stroke, and cognitive decline. It often reflects deficiencies in B6, B12, or folate, and can be corrected with targeted supplementation.