Conditions such as intestinal or stomach problems, poor nutrition, HIV, pregnancy, old age, veganism and alcoholism can contribute to vitamin B12 deficiency
What Size Needle For Vitamin B12 Injection When it comes to administering a syringe for b12 injection, selecting the appropriate b12 injection needle size is essential for both safety and effectiveness

Other groups who may benefit include: Patients following gastric surgery (gastrectomy, bariatric procedures) where intrinsic factor production or absorption sites are compromised Individuals with malabsorption disorders such as Crohn's disease, coeliac disease, or chronic pancreatitis Strict vegans and vegetarians with dietary insufficiency, though oral supplementation is usually tried first Elderly patients with atrophic gastritis or reduced gastric acid production Patients on long-term metformin or proton pump inhibitors, which can impair B12 absorption [6] [8] Individuals with nitrous oxide exposure (recreational or medical), which can cause functional B12 deficiency Diagnosis typically involves serum B12 measurement, with levels below approximately 148 pmol/L (though thresholds vary between laboratories) generally indicating deficiency

In that sense, if 5-amino-1MQ had effects on the same molecular pathways as exercise, aged mice treated with the compound that also exercised would not receive much of an effect from the treatment
Q: What are the possible side effects of lipotropic injections