Test Name: Homocysteine
Formal Name: Homocysteine
Other Names: Plasma Homocysteine
Normal: <12-15 umol/L (varies by lab). Elevated: Increased cardiovascular risk or vitamin deficiency.
Why Test: To assess the risk of cardiovascular disease, stroke, and nutrient deficiency.
When to Test: Cardiac risk assessment, unexplained blood clots, or symptoms of B12/folate deficiency (dizziness, fatigue).
Test Principle: Enzymatic assay or HPLC.
Q1: Does eating meat raise it? A1: Meat contains methionine, which can raise homocysteine if B-vitamins are low. Q2: Can I lower it with vitamins? A1: Yes, Folate, B6, and B12 supplements help lower levels.