how low does b12 need to be for injections level 99 ng/L. Is this really or just a little low? often injections? : r/B12_Deficiency Vitamin B12 Injection Dose for
Description
Individuals with a history of cancer or concerning family history may wish to avoid compounds that increase IGF-1 and potentially support cell proliferation
The reference intervals may vary between laboratories
Fresh New Look
Absorption depends on gut health, so they often work slower than injections and may not be effective for everyone
