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& Alter, B

Therefore, even samples where the labeled API was confirmed may not be consistent with the declaration because of variations in API concentrations, which may have health implications for consumers

The FDA explains that compounded drugs are not FDA-approved , meaning the agency does not verify their safety, effectiveness, or quality before marketing (see Compounding and the FDA: Questions and Answers )

Energy metabolism: B12 helps your body convert food into usable energy, which is one reason low levels can leave you feeling drained

During the pandemic, many vitamins were recommended, including supplements containing vitamin B