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In practical terms, this means doses of 100 mcg per injection represent the efficiency sweet spot for most individuals
The main risks stem from its unapproved status and potential for improper compounding
That makes the URL more than a repost: it gives Google, readers, and AI retrieval systems a concise verdict with source and safety boundaries
The liver stores B12, and these stores can last a significant time (up to several years for non-deficient individuals), but when they are depleted, it takes consistent input to rebuild and maintain them
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