Folate (vitamin B9) is essential for DNA synthesis, red blood cell formation, and methylation pathways. Adequate levels support cardiovascular and neurologic health, partly by regulating homocysteine.
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Folate
Folate, also known as vitamin B9, is a water‑soluble vitamin that serves as a key co‑factor in DNA synthesis, red blood cell formation, and methylation pathways essential for cardiovascular and neurologic health. Higher folate levels generally indicate adequate nutritional intake and support of these physiological processes, whereas lower levels may suggest insufficient dietary intake, malabsorption, or increased metabolic demand, which can contribute to elevated homocysteine and associated cardiovascular risk. Common drivers of low folate include poor diet lacking leafy greens or fortified foods, chronic alcohol use, certain medications such as anticonvulsants, and conditions that impair absorption like celiac disease.


