Quantitative measurement of NNMT reaction product 1-MNA in cultured cells Cellular 1-MNA concentrations were determined using an ultra-sensitive high-resolution AB Sciex 6500 Q-trap mass spectrometer coupled to an Agilent 1260 ultra-high pressure liquid chromatography (LC/MS/MS) system
Most medical documents indicate you might experience any of these: Mild diarrhea and/or upset stomach Difficulty breathing or swallowing Weight loss or weight gain Nervousness or restlessness Nausea or vomiting Headaches or migraines Paresthesias (tingling sensations) Rhinitis (chronic sneezing or a congested, drippy nose) Skin reactions, such as rash, itching, swelling, blisters, or pain at the site of injection Light joint pain Lightheadedness or dizziness Chest pain or discomfort Low blood potassium levels Irregular heartbeat Chills, night sweats, fever, or hot flushes General feeling of sickness However, people often fail to recognize that many side effects of vitamin B12 injections are consistent with B12 deficiency itself
Serious reactions are rare, but an allergic reaction is possible with any injection, which is another reason a first dose in trained hands is sensible
Common side effects include injection site reactions, nausea, headache, and red-coloured urine
