The 10 to the negative ninth molar concentration that showed optimal effects in laboratory settings translates to approximately 0.35 micrograms per milliliter
Inform your healthcare provider about your diet, including any fortified foods you consume, to ensure you are getting the right amount of B12
However, in very rare cases, some people can experience side effects caused by allergic reactions or sensitivity ( 29 , 30 )
Review Your Goals Your provider reviews wellness goals, health history, medications, symptoms, and whether NAD+ may be appropriate
Thinking about its safety profile
Vitamin B12 is considered beneficial and generally safe, even at high doses