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Type I) ampoules containing 1ml solution for injection
With that said, taking too much oral, intranasal, or intramuscular B12 may cause some of the following symptoms: Headaches Nausea and vomiting Diarrhea Tingling in the hands and feet Fatigue or weakness You should be aware of medication interactions with B12, such as metformin and proton pump inhibitors (PPIs)
In these cases, simply taking a supplement may not fully address the problem
Many people feel a difference within a few days, though improvements in energy, focus, and mood can continue to build over several weeks
Deficiency in vitamin B12 can lead to problems with the digestive tract including heartburn, abdominal bloating, constipation, diarrhea, loss of appetite, and nausea and vomiting
