best time to do b12 injection How Often Should You Get Injections? Vitamin B12 Injections | When

Your clinician will make recommendations during your visit

These medications do not interfere with thyroid hormone replacement (like levothyroxine or NP Thyroid) and are generally safe for people with autoimmune conditions

Interpretation should consider: Symptoms CBC (especially if basophilia, leukocytosis, etc.) Liver function tests Renal function Inflammatory markers Even high serum cobalamin levels can be accompanied by functional deficiency Suggested Workup for Unexplained High B12 : Repeat B12 measurement off supplements Check: Liver enzymes CBC with differential Serum creatinine Holotranscobalamin active fraction of vitamin B12, bound to TCB II 8 Consideration of myeloproliferative neoplasm workup if hematologic abnormalities are present Imaging if malignancy suspected (e.g., abdominal imaging if liver pathology or malignancy is suspected) In summary, while elevated B12 is most often benign and related to supplementation or liver/renal dysfunction, it is essential to rule out underlying hematologic malignancy or solid organ cancer when unexplained or accompanied by abnormal clinical or laboratory findings

How Long Do Vitamin B12 Injections Stay In the Body

2007 Jul;30(7):834-9

This is one of the less-discussed but potentially significant risks of routinely using degraded peptide medications