Dr.BariatricHTX said:They are two different exemptions from the same federal requirements and they buy different things.
Agreed, and the enforcement dates were staggered by category — 503A first, 503B a few weeks later — because outsourcing facilities have manufactured inventory and clinic contracts to unwind while a 503A makes to order.
carlos_SATX said:True, though the ladder is longer and that is not a neutral detail — six dose steps means six opportunities to stall on the way up, and plenty of…
That reframing is the part I needed. Taking it to my next appointment.
Dr.BariatricHTX said:They are two different exemptions from the same federal requirements and they buy different things.
Pushing back on Dr.BariatricHTX here. A research-chemical supplier selling lyophilised powder labelled research use only is not compounding and is not claiming to. It is a different legal universe with no pharmacy oversight, no patient relationship and no content guarantee, and conflating the two in these threads helps nobody.
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Browse GL BiochemOne concrete data point for the thread. One practical note: write down what you did and when, before you need it. Reconstructing a timeline from memory three months later is how people end up unable to answer the one question that would have resolved it.