B12 is important for nerve health
So: whats the catch
Neither medication is inherently "better" - the right choice depends on your health history, risk profile, medication tolerance, and your provider's clinical assessment
J Clin Endocrinol Metab 89(11):54105414 Kazemi-Shirazi L, Endler G, Winkler S, Schickbauer T, Wagner O, Marsik C (2007) Gamma glutamyltransferase and long-term survival: is it just the liver
The scaffold is a 23-membered macrocycle closed by a lactam bridge between the aspartate side-chain carboxyl at position 5 and the lysine side-chain amine at position 10, with norleucine at position 4 in place of the oxidation-prone methionine of the native hormone and D-phenylalanine at position 7 inside the conserved His-Phe-Arg-Trp message core
Same molecule, different sourcing, transparent pricing - pick what fits your protocol and budget