Long term prescription of medications such as the following are likely to increase the cause of, or exacerbate the risk of B12 deficiency - the proton pump inhibitors (esomeprazole, lansoprazole, omeprazole, pantoprazole, rabeprazole), famotidine, ranitidine, metformin, glibenclamide, gliclazide, glimepiride, glipizide, sodium valproate, gabapentin, doxycycline, some oral contraceptives
B12 Injections can help improve memory, lack of focus, energy, emotional stability, female fertility, low testosterone for men, digestive issues, hypothyroidism, red blood cell formation, metabolism, and its also helpful for nerve and brain regeneration
(PubMed) Obeid R
This peptide is FDA-approved for treating hypoactive sexual desire disorder (HSDD) in women
It remains in Phase 3 clinical trials with approval expected in 2026-2027
To overcome this, the stomach produces a special protein called intrinsic factor, which enables efficient absorption in the intestine, as described by the National Institutes of Health