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#Vitamin B12

Articles tagged #Vitamin B12 on Vitalspell.

Vitamin B12 solution in a laboratory pipette, reflecting the study's nutrient and blood-marker focus

Vitamin B12 and folate fatigue study: clue, not diagnosis

Vitamin B12 and folate fatigue links appeared in 602 healthy adults, but the 2026 study cannot prove deficiency caused tiredness.

Mira Chen5 min read
Abstract neural network illustration for a story about vitamin B12 and brain aging
Cognitive Health

Why 'normal' vitamin B12 may miss brain aging risk

Vitamin B12 levels that look normal on a blood test may still miss low active B12 linked to slower processing and white-matter injury in aging brains.

Tess Lindqvist
Close-up of white capsules spilled from a supplement bottle on a dark background
Nutrition

Vitamin B12 and muscle mitochondria: what the latest research reveals

New research from Cornell shows vitamin B12 directly affects skeletal muscle energy production at the mitochondrial level. In aged mice, B12 supplementation doubled a key enzyme's activity, raising questions about whether marginal deficiency contributes to age-related muscle decline.

Mira Chen