This homocysteine blood test helps determine your risk for cardiovascular disease. Homocysteine is an amino acid involved in protein metabolism. When the body cannot break it down efficiently, it can accumulate in the blood, potentially increasing the risk of blood clots, stroke, heart attack, and vascular diseases. High levels of homocysteine can be caused by low levels of vitamins B6 (pyridoxine), B9 (folate/folic acid), and B12 (cobalamin), or other medical conditions. People with abnormal levels of homocysteine may only have symptoms related to a vitamin B deficiency and not know to measure homocysteine. This test can help you and your healthcare provider assess cardiovascular risk and determine next steps.
No doctor’s visit needed.
Homocysteine is an amino acid involved in protein metabolism. When the body cannot break it down efficiently, it can accumulate in the blood, potentially increasing the risk of blood clots, stroke, heart attack, and vascular diseases. Homocysteine metabolism depends on vitamins B6, B9, and B12. Deficiencies in these vitamins can lead to elevated homocysteine levels. Genetic factors, certain medications, and lifestyle factors such as smoking or excessive alcohol use can also contribute to high homocysteine levels.
Fasting (not eating or drinking anything except water) for 8-12 hours is recommended
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