Vitamin B9

Definition

Vitamin B9, also known as folate or folic acid, is a water-soluble vitamin essential for DNA synthesis and repair. It plays a crucial role in cell division and neurological function.

5 Must Know Facts For Your Next Test

1. Vitamin B9 deficiency can lead to neural tube defects in developing embryos.
2. Adequate levels of vitamin B9 are linked to reduced risk of cognitive decline and Alzheimer’s disease.
3. Folate is naturally found in leafy greens, citrus fruits, beans, and fortified cereals.
4. Folic acid is the synthetic form of vitamin B9 used in supplements and food fortification.
5. Nurses should monitor pregnant patients for adequate folate intake to prevent birth defects.

Review Questions

• What are the primary dietary sources of vitamin B9?
• How does vitamin B9 deficiency affect neurological development?
• Why is it important for pregnant women to maintain adequate levels of vitamin B9?

Related terms

Neural Tube Defects: Birth defects of the brain, spine, or spinal cord that occur due to insufficient folate intake during pregnancy

Cognitive Decline: A decrease in cognitive function often associated with aging, which can be mitigated by adequate folate levels

Folic Acid Supplementation: The use of synthetic vitamin B9 to prevent deficiencies and associated health issues