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But if your diet isnt optimal, or if your body has an underlying issue, it may not absorb enough B12 which can lead to health problems
Oral supplementation is usually sufficient for individuals with mild to moderate deficiency due to dietary insufficiency or malabsorption disorders
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B12 is essential for DNA production, brain health, and red blood cell formation
Things that might lead to dose changes include how bad the deficiency was, if there are nerve symptoms, if theres ongoing trouble absorbing nutrients, and how each patient responds
According to a While B12 shots are necessary for some people who cannot absorb the vitamin in other ways, they have some risks and side effects
