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Self-prescribing high-dose B12 without medical indication is inadvisable, particularly for individuals with underlying health conditions
Among the lowest-priced options here, one does not name its testing laboratory, one publishes a purity floor of 98% against a field that generally advertises 99%, and others omit some of the third-party testing (endotoxin, microbial PCR)
Laboratory Tests Patients with pernicious anemia have about three times the incidence of carcinoma of the stomach as the general population, so appropriate tests for this condition should be carried out when indicated
The beyond-use date differs from an expiration date in that it represents the last date the compounded preparation should be used, taking into account the specific conditions of preparation and storage
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