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Mothers should ensure vitamin B12 sufficiency before they are pregnant, however, if this is not possible, urinary Organic Acids Testing should be carried out to establish sufficiency, and cases of deficiency mothers should supplement not only with vitamin B12, but also with Iodine, Selenium, Molybdenum and vitamin B2 if there is reason to believe that these may also be deficient

Most thyroid patients need 1,000 to 5,000 mcg of B12 daily in an activated form like methylcobalamin or adenosylcobalamin, not the cheaper cyanocobalamin that requires extra conversion

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At Hydralive Therapy, a board-certified physician evaluates your needs and designs a course of injections or IV treatments that help meet your goals

doi:10.1080/15563650600811607

For these cases, a vet can take a blood sample to understand the extent of the deficiency