The presence of comorbidities can significantly impact the pharmacokinetics of Vitamin B12, making it essential to adjust dosing protocols. Expert Opinion on Vitamin B12 Therapy Genetic Factors Affecting B12 Metabolism Genetics play a role in how well someone can use Vitamin B12
The liver is where excess B12 is stored and is used to regulate B12 levels
Doses of 100-400 mg daily, for up to 12 weeks, are generally well-tolerated
As with all medications, store it out of reach of children
Symptoms of a Vitamin B-Complex Deficiency Fatigue, weakness, or lack of energy Insufficient levels of vitamin B complex can lead to low energy levels and generalized fatigue
Regardless of mechanism, clinical observations support a nausea-reducing effect in a subset of users