Keep them in the main compartment, not the fridge door
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
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
10.2337/db24-0861 129 SharmaS.MellsJ
doi: 10.1212/WNL.0000000000208998
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