Fast Five Quiz: Vitamin B12 Deficiency

Romesh Khardori, MD, PhD

Disclosures

December 22, 2020

According to the NIH, RDAs for vitamin B12 are as follows:

  • Age 0-6 months: 0.4 µg in males and females

  • Age 7-12 months: 0.5 µg in males and females

  • Age 1-3 years: 0.9 µg in males and females

  • Age 4-8 years: 1.2 µg in males and females

  • Age 9-13 years: 1.8 µg in males and females

  • Age ≥ 14 years: 2.4 µg in males and females, 2.6 µg in pregnant individuals, 2.8 µg in lactating individuals

Read more about vitamin B nutritional disorders.

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