1. An amino acid produced in the body during the metabolism of methionine; elevated levels in the blood are associated with increased risk of cardiovascular disease and other health conditions.
Usage: technical/medical; typically used in medical and biochemical contexts

Examples

• High homocysteine levels may indicate a deficiency in B vitamins.
• Doctors often test homocysteine as part of cardiovascular risk assessment.
• Folate and vitamin B12 help regulate homocysteine metabolism.
• Elevated homocysteine is considered an independent risk factor for heart disease.
• The study examined the relationship between homocysteine and stroke risk in older adults.