There was one human trial study involving about 10 to 12 people for knee pain recovery," Dr
People taking certain medications Commonly prescribed medications can lead to a deficiency in B vitamins
Monitoring: Because long-term data are sparse, ongoing follow-up is wise
When investigating elevated B12, additional tests such as active B12 (holotranscobalamin), methylmalonic acid, and homocysteine may help clarify true B12 status
Notably, other banned substances from the S4.1 group, such as aminoglutethimide, arimistane, formestane, or testolactone, may also be present in illegal samples purchased by athletes
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