B vitamins

3 papers2 findings

Outcomes

1

Brain shrinkage

downin humans1

1 study

B vitamins decrease brain shrinkage in humans.
“B-vitamins slow brain shrinkage in mild cognitive impairment when homocysteine is high.”
Reviewwhen homocysteine is high
The Diet-Obesity-Brain Axis: Metabolic, Epigenetic, and DNA-Repair Pathways Linking Eating Patterns to Cognitive Aging, with an AI-Enabled Translational Perspective
Nutrients6 Nov 2025

Associations

1

Cognitive function

downin reviews1

1 study

B vitamins are associated with cognitive function.
“Low B-vitamin status, common in older adults, is associated with poorer cognitive function and dementia.”
Review
B vitamins, immune function and the ageing brain: a critical review of the evidence, mechanisms and potential role of the gut microbiome
The Proceedings of the Nutrition Society16 Feb 2026

Latest

3 in 12 months

Frontiers in Nutrition2 Mar

Nutraceuticals for the management of weight and inflammation-related complications in obesity: a pediatric perspective. Systematic review and network meta-analysis

Meta-analysis of studies in peopleObesity

The Proceedings of the Nutrition Society16 Feb

B vitamins, immune function and the ageing brain: a critical review of the evidence, mechanisms and potential role of the gut microbiome

ReviewGut and microbiome

Nutrients13 Nov

The Diet-Obesity-Brain Axis: Metabolic, Epigenetic, and DNA-Repair Pathways Linking Eating Patterns to Cognitive Aging, with an AI-Enabled Translational Perspective

ReviewMechanisms