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Wash your hands, disinfect the vial stopper, and use sterile single-use supplies
NNMT methylates nicotinamide (a form of vitamin B3) using S-adenosylmethionine (SAM) as the methyl donor
Most people can get enough vitamin B12 in foods they eat already, such as fish, meat poultry, eggs, dairy products, and foods that are fortified with B12 (like some breakfast cereals)
For teams that do not need a broader metabolic format, this size offers a practical and controlled option
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