vitamin b12 tablets or injection which is better Injections vs Oral Supplements: are more effective? B12 Injection Therapy in Shoreline
Description
According to the National Institute of Health, the Food and Nutrition Board (FNB) didnt establish an upper limit for vitamin B12 because of its low risk of side effects

Gastrointestinal adverse events, primarily nausea, vomiting, diarrhea, and constipation, are the predominant side effects, occurring most frequently during dose escalation and generally diminishing with continued treatment
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You deserve care that adapts to your goals and works with your biology, not against it

In cases where the diagnosis is still unclear after initial testing, other lab tests, such as MMA and homocysteine levels, are available