Transdermal forms of vitamin B 12 are available over the counter, but this route of administration has not been validated clinically in the setting of vitamin B 12 deficiency and should not be relied upon for treatment
L-Carnitine is a substance that is naturally present in the human body and can also be useful to improve mental function , and promote memory and concentration
Zeng F, Lai M, Li Q, Zhang H, Chen Z, Gong S, Liu X, Liu B (2023) Anti-oxidative and anti-aging effects of mannoprotein-rich yeast cell wall enzymatic hydrolysate by modulating gut microbiota and metabolites in Caenorhabditis elegans
Gelyofiliseerd (gevriesdroogd) poeder, 10 mg per vial
I-vit 12 Injection is listed as not requiring a prescription, but it is still safest to check with a doctor or pharmacist before taking it, especially alongside other medicines