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A- In some patients, it only takes a few weeks to notice an increase in energy levels and improvement in nerve symptoms, although a full cure can take much longer, depending on how bad the deficiency is and how compliant the patient is
If youve been diagnosed with a vitamin B12 deficiency, be prepared to need shots for at least a month or two before noticing major improvements
I had to begin the whole procedure over again with a red face, sweaty hands and a determination to get it right the second time
Some research suggests that vitamin B12 may have specific benefits for endurance athletes, such as: Improved performance: Some studies have found that vitamin B12 supplements can improve exercise performance in athletes, particularly when taken in combination with other B-vitamins
Many people take oral or sublingual tablets, but they may not always be effective especially if absorption is poor
