If a deficiency does not exist, supplementing Vitamin B12 will likely not have the same positive effect. B12 injections are available, for $15 to $50 a pop, at spas and wellness centers, but its smart to talk to your physician before you spend money on them
Vitamin B12 deficiency can occur due to many reasons, mainly improper diet or you have a condition where your body cant absorb as much
10.1016/j.sbi.2019.12.005
Multiple randomized, double-blinded, placebo-controlled studies involving the chronic administration of intranasal OXT was conducted, albeit presenting with mixed outcomes
These include variability in synthesis protocols, inconsistent batch-to-batch reproducibility, and insufficient data on long-term toxicity and biodistribution
What is dementia