You are elderly with reduced B12 synthesis from food
Oksanen J, Blanchet FG, Friendly M, Kindt R, Legendre P, McGlinn D, Minchin P, OHara RB, Simpson G, Solymos P, Stevens MH (2020) vegan community ecology package version 2.57
Inflammatory cytokines such as interleukin-6 (IL-6) and tumor necrosis factor- (TNF-), along with hypoxic stress, oxidative damage, and uremic toxins, have been shown to suppress the expression and activity of CYP27B1 through multiple signaling pathways, resulting in reduced synthesis of 1,25(OH)D (16)
Neurotrophic small molecule analogs may be useful in configuring such strategies
Food and Drug Administration in 2010 for adults and children 2 years of age or older
Instead of adding a conflicting compound, what if you added a complementary one