My pharmacy stopped supplying with three weeks notice and a letter that explained nothing, so I went and read the statute.
Posting the whole record, including the parts that do not flatter my decision.
Two things anyone can check: a state licence number for a 503A, and an FDA outsourcing-facility registration for a 503B. Both are publicly searchable, and a pharmacy unwilling to give you either has answered the question.
Worth adding the genuine exception, because it is real and narrow: a change made for an identified patient where the prescriber determines it produces a significant clinical difference for that patient. A grid of fixed doses offered to everybody is not that, whatever the intake form says.
What I am after is why a shortage listing created a legal pathway at all, since a shortage is a supply fact rather than a permission. I would rather have one careful answer than five confident ones.
COA_Karl said:My pharmacy stopped supplying with three weeks notice and a letter that explained nothing, so I went and read the statute.
COA_Karl has the substance of this right. The condition it depends on is worth stating. They are two different exemptions from the same federal requirements and they buy different things. A 503A pharmacy is regulated primarily by the state board, needs a patient-specific prescription, is exempt from CGMP, and may use a bulk substance that has a USP monograph, is a component of an approved drug, or appears on the 503A bulks list — three independent doorways. A 503B outsourcing facility registers with the FDA, is inspected on a risk basis, must comply with CGMP, may compound for office stock without a patient-specific prescription, and has one doorway to a permitted bulk substance: the 503B bulks list, or the drug shortage list.
COA_Karl said:My pharmacy stopped supplying with three weeks notice and a letter that explained nothing, so I went and read the statute.
Pushing back on COA_Karl 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 BiochemThis one has a reasonably settled answer, so here it is. Resolution therefore closed the doors unevenly, and the asymmetry follows from the bulks lists. For 503B the shortage clause was the only route to these molecules, so that route shut completely. A 503A pharmacy can still argue a doorway via "component of an approved drug" — but only for the substance in the form present in the approved product, which is exactly where the base-versus-salt argument lives, and it does nothing about the copy restriction, which came back into force on resolution.
TirzTom said:They are two different exemptions from the same federal requirements and they buy different things.
Agreed, with a caveat about community reputation: it is a lagging indicator. Reports arrive weeks after orders, so a supplier can look excellent for a month after quality has already changed.