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Certain subgroups may be more likely to respond to treatment, including those with lower methionine levels and/or lower GSH redox status
B-12 is an essential vitamin and it is found in foods such as poultry, dairy, eggs and more
Step 3: The Injection A small intramuscular injection is administered
1000 g daily) may be able to produce adequate absorption of vitamin B 12 even in the presence of intrinsic factor deficiency, and therefore may be an alternative to the intramuscular route for many people
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