vitamin b12 injection ingredients Compounded Methylcobalamin (Vitamin B12) Injection, 5mg/mL Since 2012 Amazon Pharmacy: Vitamin B12 (Injectable

Mild nausea and digestive discomfort Some users report mild nausea, particularly when injecting on an empty stomach first thing in the morning

Remove the syringe and gently swirl the vial until the powder dissolves completely

Scientific References (External Links) Nature Chemical Biology: Small molecule inhibitors of nicotinamide N-methyltransferase View Study Biochemical Pharmacology: Nicotinamide N-methyltransferase: A promising target for treating metabolic disorders View Study FASEB Journal: Nicotinamide N-methyltransferase knockdown protects against diet-induced obesity in mice View Study Journal of Biological Chemistry: Inhibition of nicotinamide N-methyltransferase in vivo regulates cellular energy metabolism View Study

It is best to follow a healthcare professionals guidance on whether they recommend vitamin B12 supplements based on individual circumstances.