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When your body doesnt have enough vitamin B12, myelin is produced differently and your nervous system functions improperly
B12 injections might just be what you need
Methylmalonic acid (MMA) and homocysteine levels become elevated in B12 deficiency and offer greater sensitivity, particularly for detecting early or functional deficiency, though MMA rises in renal impairment and availability of these tests varies
If you are a vegetarian or vegan, knowing that you are at risk for B12 deficiency is essential
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