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People with certain medical conditions or those taking medications that affect vitamin absorption should consult a healthcare professional before taking high-dose vitamin B12 supplements
Clinical evidence supporting this is mixed: IV glutathione shows consistent benefit in controlled trials, while oral forms show almost none unless formulated for enhanced absorption
Be sure to talk with a healthcare professional to determine the right dose for you
Do I need a prescription for BPC-157 or TB-500
For the broader picture, our NAD and peptides explainer covers why the two get confused
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