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The Comfort-in is your answer to a virtually painless injection
Common Symptoms of a Vitamin B12 Deficiency If you think you may be low, watch out for these symptoms: Feeling tired, fatigue and weakness Loss of appetite Constipation Weight loss Megaloblastic anemia Numbness and tingling Poor balance or coordination Confusion Memory loss Depression (21) Soreness of mouth and/or tongue (22) Be aware that many symptoms of B12 deficiency overlap with symptoms of other health conditions, so it's important to see your doctor for a definitive diagnosis
Hufeldt, M
Haemoglobin levels normalise over 68 weeks
Because B12 injections are given intravenously, there are no barriers to absorption, and they can begin working within hours
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