what's the difference between b12 injections and b12 pills vs Oral Supplements: Which are more effective? Oral vitamin B12 versus intramuscular

[5] Use of Lipo-C Injection is contraindicated in patients with known hypersensitivity to methionine, choline salts, carnitine, dexpanthenol, or any formulation excipients, as well as in individuals with severe hepatic failure in whom augmented methionine intake could precipitate hypermethioninemia and encephalopathy

This balance is what makes it suitable for multi-dose use in research protocols

So, 1000 mcg of B12 is the same as 1 mg

Treatment of adipocytes isolated from HSL-null mice with the beta-adrenergic agonist isoproterenol causes enhanced lipolysis, albeit at a blunted level compared with adipocytes from wild-type animals (91)