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Less Numbness or Tingling This is usually a slower change

Your GP may arrange periodic blood tests to ensure B12 levels remain adequate, though clinical response is generally more important than specific blood values once treatment is established

No completed human efficacy or safety trial

It has demonstrated significant weight loss in test animals

Mostly the argument pits Western medical practitioners against those who favor homeopathic and alternative treatments

Comparing options for actual, evidence-based weight loss If deliberate weight loss is your goal, there are options with stronger trial evidence than B12 injections alone