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Vitamin B9
(Folic Acid)

Araştırma durumu güçlü·10/10
Daha yüksek puan, daha iyi bir çalışma durumuna işaret eder, ancak mutlaka etkinlik anlamına gelmez.

Essential B-vitamin supporting DNA synthesis, prenatal health, and cardiovascular & cognitive function.

MotherhoodCardiovascular SupportCancer-inhibitorCognitive EnhancementEssential NutrientAnemia Support
Doz aralığı
400–600 µg
Single daily dose with food.
Gelir
Take with meals for best absorption; standard multivitamins/prenatals provide the recommended dose. Methylfolate may be preferred for those with MTHFR variants.
Yağda çözünmez.
En iyi zaman
Start supplementation at least 1 month preconception for pregnancy; maintain daily intake during pregnancy and breastfeeding.

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Açıklama

Vitamin B9 (folate/folic acid) is vital for the production of DNA/RNA, red blood cells, and crucial methylation reactions. It's most essential during periods of cell growth (pregnancy, infancy) and for preventing neural tube defects. Folate is found in leafy greens, beans, and liver, while folic acid is the supplemental and fortified food form.

Avantajlar
Kanıt derecesi ile ana etkiler
Strong
Kanıtla ilgili not

Extensive evidence for neural tube defect prevention and red blood cell formation; moderate evidence for homocysteine reduction and cognitive support.

Prevents Neural Tube Defects in Pregnancy

Strong

Adequate folic acid before and in early pregnancy reduces risk of neural tube defects (NTDs) such as spina bifida and anencephaly. This is a cornerstone prenatal recommendation supported by worldwide public health data.

Özellikle ilgili olduğu kişiler: women of childbearing age · pregnant women
1 · Harvard T.H. Chan School of Public Health – Folate (Vitamin B9)5 · NIH Office of Dietary Supplements – Folate

Supports Red Blood Cell Formation & Prevents Anemia

Strong

Essential for nucleic acid synthesis and healthy red blood cell production. Deficiency causes megaloblastic anemia, which can be reversed with supplementation.

Özellikle ilgili olduğu kişiler: general · at-risk groups
1 · Harvard T.H. Chan School of Public Health – Folate (Vitamin B9)3 · Mayo Clinic – Folate (Folic acid)

Reduces Homocysteine Levels

Moderate

With vitamins B6 and B12, folate helps break down homocysteine, high levels of which are associated with higher risk of cardiovascular disease. Supplementation significantly lowers homocysteine and may reduce stroke risk.

Özellikle ilgili olduğu kişiler: general · people with cardiovascular risks
1 · Harvard T.H. Chan School of Public Health – Folate (Vitamin B9)5 · NIH Office of Dietary Supplements – Folate

Supports Cognitive Function & Mental Health

Mixed

Low folate levels are linked to cognitive decline and depression. Supplementation may improve cognition in those with low folate/high homocysteine, and boost antidepressant response in deficient patients.

Özellikle ilgili olduğu kişiler: older adults · those with depression or cognitive impairment
1 · Harvard T.H. Chan School of Public Health – Folate (Vitamin B9)4 · Healthline – Folic Acid

Modulates Cancer Risk

Mixed

Adequate folate can protect against some cancers due to its role in DNA repair, though excess supplemental folic acid may promote growth of existing lesions in some cases.

Özellikle ilgili olduğu kişiler: general
1 · Harvard T.H. Chan School of Public Health – Folate (Vitamin B9)5 · NIH Office of Dietary Supplements – Folate

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