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Oral Vitamin B12 may not provide adequate supplementation due to variations in metabolism and poor absorption
Nat Commun 2017
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For a 5mg vial, adding 2.5ml of bacteriostatic water creates a concentration of 2mg per milliliter
Initial Loading Dose: At first, people get 1000 mcg every week for 4-8 weeks
Steadier, longer-lasting benefits usually build over two to four weeks of consistent visits
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