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The ideal frequency really depends on your individual health needs and how your body responds
For severe cases, a bigger dose might be given first, followed by smaller doses later
Recovery can take several weeks and requires long-term dietary changes , vitamin supplements , and medical follow-up to maintain results safely
Below are possible Vitamin B12 deficiency symptoms: Weakness, tiredness, or lightheadedness Heart palpitations and shortness of breath Pale skin A smooth tongue Constipation, diarrhea, loss of appetite, or gas Nerve problems like numbness or tingling, muscle weakness, and problems walking Vision loss Mental problems like depression, memory loss, or behavioral changes You can also get vitamin B12 deficiency if you follow a vegan diet or you are a vegetarian who doesn't eat enough eggs or dairy products to meet your vitamin B12 needs
Chan CQH et al, "Oral vitamin B12 replacement for the treatment of pernicious anemia." Frontiers in Medicine, Aug
