[39] The elderly are at increased risk because they tend to produce less stomach acid as they age, a condition known as achlorhydria, thereby increasing their probability of B 12 deficiency due to reduced absorption
According to doctors, the combination of antidepressants and vitamin B12 leads to an improvement in the condition of patients with depression compared to taking medication alone
Obeid R, Andrs E, eka R, Hooshmand B, Guant-Rodriguez RM, Prada GI, Sawek J, Traykov L, Ta Van B, Vrkonyi T, Reiners K, The Vitamin B Consensus Panelists Group
[60] [61] [62] This has led to organizations such as the controversial American Academy of Anti-Aging Medicine promoting the use of this hormone as an "anti-aging agent"