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Related Experiment Video

Updated: May 25, 2026

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes
03:19

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes

Published on: June 28, 2024

Subclinical cobalamin deficiency.

Ralph Carmel1

  • 1Department of Medicine, New York Methodist Hospital, Brooklyn and Weill Cornell Medical College, New York, New York, USA. rac9001@nyp.org

Current Opinion in Gastroenterology
|January 14, 2012
PubMed
Summary
This summary is machine-generated.

Subclinical cobalamin deficiency (SCCD) affects many elderly individuals. Supplementation with folic acid, cobalamin, and pyridoxine may slow cognitive decline and brain changes, but more research is needed.

Related Experiment Videos

Last Updated: May 25, 2026

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes
03:19

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes

Published on: June 28, 2024

Area of Science:

  • Gerontology
  • Nutritional Neuroscience
  • Biochemistry

Background:

  • Subclinical cobalamin deficiency (SCCD) is prevalent in the elderly.
  • Its causes are often unknown, complicating prognosis and health consequence identification.
  • SCCD differs from clinical deficiency, rarely stemming from malabsorption and progressing slowly.

Purpose of the Study:

  • To review recent developments in diagnosing, understanding consequences of, and managing SCCD.
  • To explore controversies surrounding SCCD in the elderly population.

Main Methods:

  • Review of current literature on SCCD diagnosis, causes, and management.
  • Analysis of recent clinical trial data on vitamin supplementation.
  • Evaluation of biochemical testing limitations for SCCD diagnosis.

Main Results:

  • SCCD diagnosis relies on biochemical tests with limitations; combined testing is recommended.
  • High-dose folic acid, cobalamin, and pyridoxine supplementation may reduce cognitive decline and brain structure changes.
  • The direct role of SCCD in cognitive dysfunction requires further investigation.

Conclusions:

  • SCCD is common in the elderly, distinct from clinical deficiency.
  • High-dose vitamin supplementation shows promise but requires confirmation.
  • Further research into SCCD pathophysiology, natural history, and health impacts is essential for confirming preventive benefits.