Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure: Increase in blood pressure, headache, nasal congestion, rhinitis, nosebleed, sore throat, cough, upper respiratory infections, nausea, flushing, and abdominal cramps
Use it to ask sharper questions of a licensed clinician, not as a substitute for personal medical advice
It's taken orally , not via injection, and it has no known toxicity or adverse effects
doi:10.1038/s42255-023-00916-6
Vitamin B12 is vital for energy, nerve function, and red blood cell production
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