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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
Most studies remain preclinical or experimental
However, there have been cases of people breaking out into acne and rosacea and having heart palpitations after taking very high doses of vitamin B12, usually by injection
High concentrations should be diluted with normal saline injection when administered intravenously
If you compete in a tested sport at any level, raise it at the consult before you start anything
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