[DOI] [PubMed] [Google Scholar] 57.Herbette S., Taconnat L., Hugouvieux V., Piette L., Magniette M.L., Cuine S., Auroy P., Richaud P., Forestier C., Bourguignon J., et al
Common symptoms include: Fatigue Difficulty concentrating or remembering (Brain Fog) Heart palpitations Pale skin Weight loss Numbness and tingling in the hands and feet Mood changes, including irritability or depression Sore tongue Decreased appetite Constipation Why consider Vitamin B12 injections
The links and my comments are at the end of this blog post
High-dose Vitamin C and Zinc help your immune system respond more effectively to illness
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