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ForumsCompounding & FormulationPeptide degradation products — what worked for you? Page 3

Peptide degradation products — what worked for you?

mona_PHX Fri, Aug 30, 2024 at 3:56 AM 13 replies 1,843 viewsPage 3 of 3
Dr.ReproEndo
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Sep 1, 2024 at 4:40 AM#11
Dr.RenalNash said:
Compounding pharmacy response time test for compounded supply: I email customer service at odd hours to test responsiveness.

503A vs 503B compounding pharmacies for compounded supply — this distinction matters enormously:

Feature503A503B
RegulationState Board of PharmacyFDA-registered
PrescriptionRequired (patient-specific)Can compound without patient Rx
TestingVaries by statecGMP required
ScaleSmall batchesLarger production
Quality consistencyVariableGenerally higher

I strongly recommend 503B facilities. The FDA oversight and cGMP requirements mean more consistent product quality.

Last edited: Sep 1, 2024 at 5:40 AM
46 21mona_PHX, andrew_nyc, Dr.EndoEP and 43 others
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Dr.LeslieOBGYN
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Sep 1, 2024 at 1:52 PM#12
rachel_ABQ said:
Agreed, and the enforcement dates were staggered by category — 503A first, 503B a few weeks later — because outsourcing facilities have manufactured…

Bookmarking. The distinction being drawn above is the one nobody else makes. Adding it to my notes with a link back to this thread.

Last edited: Sep 1, 2024 at 7:52 PM
45 20FranDenver, Dr.BariatricHTX, LindaRN_retired and 42 others
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hank_denver
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Denver, CO
Sep 1, 2024 at 11:04 PM#13
Dr.RenalNash said:
Compounding pharmacy response time test for compounded supply: I email customer service at odd hours to test responsiveness.

Compounding pharmacy licensing verification for compounded supply: before ordering, verify your pharmacy's credentials:

  1. State Board of Pharmacy license — check on your state BOP website
  2. FDA registration (for 503B) — check on fda.gov
  3. DEA registration if handling controlled substances
  4. PCAB accreditation — voluntary but demonstrates commitment to quality
  5. USP <797>/<800> compliance for sterile compounding

This takes 10 minutes of research and could save you from receiving substandard or unsafe medication.

44 19denise_HTX, raj_cambridge, ingrid_STO and 41 others
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PeptideChemSF
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Sep 2, 2024 at 8:16 AM#14
mona_PHX said:
My pharmacy stopped supplying with three weeks notice and a letter that explained nothing, so I went and read the statute.

Compounded semaglutide formulations for compounded supply: some pharmacies add ingredients like B12, L-carnitine, or BPC-157 to their semaglutide preparations. Are these beneficial or marketing gimmicks?

My take: B12 addition has some logic (GLP-1s can deplete B12). L-carnitine evidence is weak. BPC-157 for GI protection is theoretically interesting but unproven. I prefer straight semaglutide with no additives — fewer variables, cleaner data on what's working.

43 18ricardo_MIA, BrianDallas92, labquiet_amy and 40 others
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mike_mod
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Sep 2, 2024 at 5:28 PM#15

Moderator note: a post naming a supplier has been edited. Discuss suppliers in the review sections, not here. No action needed from anybody.

Last edited: Sep 2, 2024 at 7:28 PM
42 17PurityPaulOR, MaxMetOK, MounjBrad and 39 others
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