mayo clinic b12 injection how often Shots Side Effects And To Treat Them B12 Shots at Home: How,
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Duration: 8-12 weeks maximum before a structured break

How Cancer Treatments Affect B Vitamin Metabolism Chemotherapy can mess with how our body uses B vitamins, including B12

Vitamin B12 is available as a dietary supplement in various forms, including pills, sublingual tablets (that dissolve under the tongue), injections, and nasal sprays

The general guideline is to wait at least 24 hours , especially if sedation or pain medicine was given

Wait until the area dries out completely

Even if you take it as told, your body can become dependent on it
