can b12 injections affect kidneys Too Much Damage Kidneys? B12 Shots: Benefits, Uses, Safety,

Normal vital signs (blood pressure, heart rate, respiratory rate, temperature) and body mass index (BMI) between 18 and 30 kg/m 2 Suboptimal vitamin B12 status (deficient to borderline 200300 pg/mL), defined as serum B12 levels within the lower end of the reference range (234894 pg/mL) Able to provide informed written consent Able to comply with study procedures and follow-up visits as outlined in the protocol 2.2.2 Exclusion criteria Known hypersensitivity or allergy to oral vitamin B12 supplements or any of its components Known history of cobalt allergy or sensitivity Severe malabsorption syndromes, including pernicious anemia or intestinal disorders affecting vitamin B12 absorption Current use of acetaminophen, nonsteroidal anti-inflammatory drugs, antibiotics, antacids, proton pump inhibitors (PPIs), multivitamins, or nutritional supplements containing vitamin B12 History of gastric bypass surgery or other procedures that significantly alter GI anatomy or function Significant renal impairment (estimated glomerular filtration rate [eGFR] 0.05) Supplementary Table 1

These services are available to beneficiaries both in inpatient and outpatient settings, depending on the individuals treatment needs

Reactions were performed with 2 M nicotinamide and 30 M phosphoribosyl pyrophosphate (PRPP) in the presence of 1 mM ATP and recombinant human NAMPT enzyme

Common side effects include nausea, vomiting, and diarrhea, most prominent during dose titration

Vitamin B6 and cancer risk: a field synopsis and meta-analysis

Hydroxocobalamin is the form typically used in intramuscular injections for treating B12 deficiency in the UK, as recommended by NICE guidelines