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Two milliliters

It affects portions, hunger, fullness, and metabolic signaling

Handelsman Y, Cheng A, Fadini GP, Kushner P, Bonnet F, Fioretto P, et al

503A Compounding Pharmacies What they are: Traditional compounding pharmacies Fill prescriptions for individual patients Named after Section 503A of the FDCA Regulatory framework: Primarily state-regulated through pharmacy boards Must have valid prescription before compounding Limited quantity restrictions Cannot compound drugs that are essentially copies of commercial products (with exceptions) Oversight: State pharmacy board inspections FDA can inspect but doesnt routinely Quality systems vary by facility Testing requirements vary by state Characteristics: Often smaller operations May compound many different medications Quality depends heavily on individual pharmacy practices May or may not conduct extensive testing For semaglutide: Can compound for individual patients with prescriptions Must comply with state regulations Quality and testing practices vary significantly 503B Outsourcing Facilities What they are: Registered outsourcing facilities that compound larger quantities Named after Section 503B of the FDCA (created in 2013) Can supply healthcare facilities and providers Subject to stricter federal oversight Regulatory framework: Must register with FDA Subject to current Good Manufacturing Practice (cGMP) standards FDA inspections similar to pharmaceutical manufacturers More stringent quality requirements Oversight: Regular FDA inspections Must report adverse events to FDA Must meet cGMP standards More rigorous documentation requirements Characteristics: Often larger, more sophisticated operations Dedicated quality systems Required testing and documentation More similar to pharmaceutical manufacturers For semaglutide: Can produce larger quantities Subject to stricter quality standards More consistent quality controls Generally considered more reliable for sterile preparations Comparing 503A and 503B Which Is Better