[Meta] the API source rule is doing its job and people should stop complaining
the API source rule is doing its job and people should stop complaining. Disagreement welcome, but bring a concrete alternative wording.
A beyond-use date derived from published stability data means something different from one assigned by default rule. Asking which is a fair question and the answer is usually available.
Salt form matters for mass: a preparation specified as one salt and dosed as the free base gives you a different amount of peptide for the same number on the label.
Potency and sterility testing on the finished preparation are separate from any certificate covering the starting material. Ask which you are being shown.
Research-use-only material is not approved for human use and nothing here should be read as a recommendation to use it.
best — the order this archive was captured in
A 503A pharmacy compounds for an identified patient against a prescription. A 503B outsourcing facility registers with the regulator, may produce without patient-specific prescriptions, and is subject to current good manufacturing practice requirements. The two are governed differently and the difference is not cosmetic.
Is the compound still on the shortage list where you are?
Nothing in this thread is medical advice, and the choice between arrangements is one for you and a prescriber who knows your history.
ask which facility, then ask for their testing