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J Endocrinol Metab
however, research supports that oral administration of an appropriate dosage has been shown to produce as good of results as injectable preparations in treating vitamin B12 deficiency
Unlike oral supplements, which rely on the digestive system for absorption, these injections deliver the vitamin directly into your muscle tissue
But here is the part that gets overlooked
As a stable small molecule salt, it does not require refrigeration for short-term storage and is not sensitive to reconstitution-related degradation issues that affect peptides
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