While cobalamin overdose is unheard of because it is non-toxic and water-soluble, cobalamin deficiency can happen due to a number of reasons, including certain diseases and genetic defects.
This lactate is then transported via MCTs to the extracellular space, where neurons uptake it through MCTs, converting it to pyruvate and acetyl-CoA for ATP production via OXPHOS, which supports synaptic formation and neurotransmitter release [7, 15]
AD is associated with several comorbidities, both allergic and non-allergic, indicating its systemic nature, particularly bacterial and fungal infections, neuropsychiatric disorders, autoimmune diseases, metabolic diseases and haematologic malignancies (914)
Although there are data in animal models supporting that this is true, particularly in diet-induced obese mice, in which brown adipose tissue activity is regulated [8], there is no convincing evidence that this occurs in humans [6]