vitamin b12 injection side effects anxiety palpitations Are Shots Safe? Royal Palm Beach Medical Group Restore Energy with Vitamin B12

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PMID 39376196

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A deficiency may lead to a wide range of symptoms, including: Ongoing fatigue or low energy Brain fog or difficulty concentrating Low mood or irritability Pale skin or a yellow tinge Tingling or numbness in the hands and feet Shortness of breath Dizziness or feeling faint Mouth ulcers or sore tongue Blurred vision Some of these symptoms may also be caused by iron deficiency

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Cognitive decline, dementia, and Alzheimer's disease The occurrence of vitamin B 12 deficiency prevails in the elderly population and has been frequently associated with Alzheimer's disease (reviewed in 63, 64)