"Plasma homocysteine and lipoprotein (a) levels in Turkish patients with metabolic syndrome"
B12 supports hematologic and neurologic functions, and L-carnitine transports long-chain fatty acids into mitochondria
Injecting B12 on top of a deficiency that has never been investigated can mask the underlying cause and delay a proper diagnosis, such as pernicious anaemia
National Center for Complementary and Integrative Health
Indications and Usage for B-12 Compliance Injection Cyanocobalamin is indicated for vitamin B12 deficiencies due to malabsorption which may be associated with the following conditions: Addisonian (pernicious) anemia Gastrointestinal pathology, dysfunction, or surgery, including gluten enteropathy or sprue, small bowel bacteria overgrowth, total or partial gastrectomy Fish tapeworm infestation Malignancy of pancreas or bowel Folic acid deficiency It may be possible to treat the underlying disease by surgical correction of anatomic lesions leading to small bowel bacterial overgrowth, expulsion of fish tapeworm, discontinuation of drugs leading to vitamin malabsorption (see DRUG INTERACTION), use of a gluten-free diet in nontropical sprue, or administration of antibiotics in tropical sprue
It is often recommended for people with a deficiency or absorption issues