The use of oral sprays allows for B12 to be delivered directly into the mouth, to permeate the highly vascular tissue of the mucous membrane lining
When B12 levels drop, it can lead to fatigue, cognitive difficulties, mood imbalances, nerve problems, and even anemia
Exenatide regulates cerebral glucose metabolism in brain areas associated with glucose homeostasis and reward system
Even "non-sedating" second-generation antihistamines can cause fatigue, cognitive impairment, and what many describe as "brain fog." 2 Research has shown that chronic use of first-generation antihistamines is associated with concerning effects, including memory problems
DOI: 10.1038/s41598-017-03759-w [Google Scholar] Nanus DE, Wijesinghe SN, Pearson MJ, Hadjicharalambous MR, Rosser A, Davis ET, et al