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Nicotinamide N-Methyltransferase Overexpression may be Associated With Poor Prognosis in Ovarian Cancer

In a supplement containing 50 mcg of Vitamin B12, you absorb about 1.5 mcg of thatand only 0.1 to 0.6 mcg if you have a problem with absorption or have pernicious (autoimmune) anemia

Mechanism of action

Some people take supplements to top up low B vitamin levels

The concept draws from hormesis, a biological phenomenon where low-dose exposure to a substance produces beneficial effects while higher doses might produce neutral or even counterproductive outcomes

The absence of pharmacokinetic or pharmacodynamic interaction studies means healthcare providers must rely on theoretical considerations and the known pharmacology of each component when patients inquire about combination use