Only testing can tell you the answer, but a daily B12 injection schedule should be your starting point
doi: 10.1002/eji.200737772 63 GobVAegerterPParmarRFardellonePVittecoqOConaghanPGet al
Selby JV, Friedman GD
Glutathione helps you protect, restore, and support wellness from within
Doctors often investigate both vitamin B12 and folate levels together because deficiencies can create similar symptoms, including: Low folate and vitamin B12 deficiencies may also contribute to hair thinning, which explains why caregivers frequently search can folic acid deficiency cause hair loss or can lack of folic acid cause hair loss. Importantly, caregivers should avoid assuming the worst after seeing a low B12 result
Lang PA, Kempe DS, Tanneur V, Eisele K, Klarl BA, Myssina S, et al