Vitamin B12 is a vitamin. Vitamin B12 plays a key role in the normal functioning of the brain and nervous system, and for the formation of blood.

Solid

Human Endogenous Metabolite
 Microbial Metabolite
 

Vitamin B12 is one of the eight B vitamins. It is normally involved in the metabolism of every cell of the human body, especially affecting DNA synthesis and regulation, but also fatty acid synthesis (especially odd chain fatty acids) and energy production. However, many (though not all) of the effects of functions of B12 can be replaced by sufficient quantities of folic acid (vitamin B9), since B12 is used to regenerate folate in the body. Most vitamin B12 deficiency symptoms are actually folate deficiency symptoms, since they include all the effects of pernicious anemia and megaloblastosis, which are due to poor synthesis of DNA when the body does not have a proper supply of folic acid for the production of thymine due to methyl trapping. When sufficient folic acid is available, all known B12 related deficiency syndromes normalize, save those narrowly connected with the vita

Room temperature or refrigerated transport.

4°C, Keep In Dark；*In solvent : -80°C, 6 months; -20°C, 1 month (Keep In Dark)；

Others

microorganisms

体外研究:
DMSO : 20.83 mg/mL(15.37 mM;ultrasonic and warming and heat to 60°C)
H₂O : 6.25 mg/mL(4.61 mM;ultrasonic and warming and heat to 60°C)