b12 injection versus pill Injections vs Tablets: What You Need to Know B12 Injections or Oral B12:

The evidence base requires appropriate clinical trials, with additional endpoints including clinical symptoms of patients and additional biochemical parameters beyond plasma B12 levels alone before these alternative routes can be recommended with confidence in clinical guidelines

There are many causes of peripheral neuropathy including but not limited to: Diabetes Heavy alcohol consumption Infections Physical trauma Vitamin deficiencies Previous surgery Different medications including but not limited to chemotherapy drugs Autoimmune disorders Venereal disease Is peripheral neuropathy progressive

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However, it is generally more challenging for vegans and vegetarians to obtain adequate B12 solely from plant-based sources

Mild soreness, redness, or tenderness at the injection site may occur temporarily