Vitamin B12 : An essential nutrient that supports energy production, brain health, and metabolic function, helping you feel your best while losing weight
Or need to receive a B12 injection
If you are experiencing hair fall and suspect B12, look for accompanying signs: Neurological: Tingling or numbness in hands and feet Memory issues or brain fog Fatigue and weakness disproportionate to activity level Hematological: Pallor, breathlessness on exertion (from anemia) Rapid heartbeat at rest Oral: Soreness or redness of the tongue (glossitis) Mouth ulcers Skin: Hyperpigmentation (particularly in darker skin tones) Premature graying B12 deficiency is associated with early hair greying as melanin synthesis requires adequate B12 If you have hair loss without any of these symptoms, androgenetic alopecia is a more likely primary diagnosis though B12 can coexist as a contributing factor
10.1038/s42003-025-07738-0 21 LeaM.NourE.HilaD.ZaitY.ScharffY.Ben-YosefS.et al (2022)
Over time, the genome becomes increasingly dysregulated: DNA regions that should be silent become noisy, protective genes are switched off, and chromatin, the scaffold of DNA wrapped around histones (imagine them like packaging bundles), becomes condensed and brittle, losing its flexibility