Instead, they may support nutrient pathways that are already part of how the body processes fats
Vision health depends on B12
While B12 injections for fat loss are popular, its important to understand that B12 doesnt directly melt fat

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
CAS: 42464-96-0 (commonly supplied as the iodide salt)
For example, FDA labeling for cyanocobalamin injection includes contraindications (such as hypersensitivity) and important warnings (see the FDA prescribing information for cyanocobalamin injection )