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This is a preview of subscription content, access via your institution Access options Access Nature and 54 other Nature Portfolio journals Get Nature+, our best-value online-access subscription 27,99 / 30 days cancel any time Subscribe to this journal Receive 12 print issues and online access 189,00 per year only 15,75 per issue Rent or buy this article Prices vary by article type from$1.95 to$39.95 Prices may be subject to local taxes which are calculated during checkout References Zelniker, T
Both injection types are far more effective at raising B12 levels than oral supplements, but the best method really depends on your individual needs
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Incorrect contact information: Provide accurate and up-to-date contact information to ensure timely communication
