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What is folate deficiency?

Added: 25 October 2026

Folate deficiency is an inadequate level of folate, a nutrient needed for cell formation.

Symptoms, causes and assessment

Low intake, malabsorption or some medicines can contribute; anemia and fatigue may develop. B12 deficiency can cause similar blood findings, so it should be considered too. Folate needs are especially relevant when planning pregnancy.

Care and when to seek help

Discuss supplement amount and duration with a clinician. High-dose folate can mask some blood signs of concurrent B12 deficiency; numbness or balance changes deserve prompt evaluation.

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Revision history

25 October 2026 — Article added.