Common causes include: Pernicious anemia, an autoimmune disorder hindering Vitamin B12 absorption Gastrointestinal surgeries, like gastrectomy, impact Vitamin B12 uptake Long-term use of certain medications, such as metformin or proton pump inhibitors Diets lacking in Vitamin B12, often seen in vegans and vegetarians For those without a deficiency, Vitamin B12 injections are not typically recommended, as their body can naturally regulate and excrete excess amounts of the vitamin
[2] Nitrous oxide overdose or overuse converts the active monovalent form of vitamin B 12 to the inactive bivalent form
Such as intramuscular injections, transdermal creams, drops, sublingual tablets, or capsules
High levels of this type of hemoglobin are usually due to consistently high blood sugar levels, which are characteristic of diabetes
Its action is specific to adipocytes (fat cells) via beta-3 adrenergic receptors and does not affect anabolic pathways, protein synthesis signaling, or IGF-1 levels
Systematic Review Registration: CRD42024554513