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Improved cognitive function: Adequate levels of Vitamin B12 are essential for brain health, supporting memory, concentration, and overall cognitive function
Lung Cancer In 2017, a study found that men taking B12 supplements appeared to have an increase in lung cancer risk
Oral supplements require higher doses because only approximately 1% is absorbed passively when intrinsic factor is impaired, making injections the most reliable method for pernicious anaemia and malabsorption conditions
Who is a good candidate for vitamin B12 injections
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