GLPHubglpresearchhub.com
Read-only archive. GLP Research Hub is a static community record — nothing here is for sale, no account is needed, and no vote you cast is counted. Why?
1.1k
c/compounding·posted 8 months ago by u/burned_once_twice

[Question] Ireland — has anyone got a straight answer on 503A

Question Long Haul ×2 Sourced ×3

Trying to settle this properly because the thread from last year went in circles.

The claim: 503B matters. The counter-claim: it is measurement error. Both sides have been asserting it confidently for about 9 months without either producing anything.

What would actually settle it is 33 people measuring the same thing the same way. I have started; my numbers are below. They lean one way but not strongly enough for me to declare victory.

If you have data, post the data. If you have an opinion, flair it as an opinion.

8,079 up / 6,932 down54% upvoted36 commentsid 1np3uv6 Nov 2025

36 comments

29 in this archive, depth 5

best — the order this archive was captured in

u/amara_kuipers246 points·8 months ago

Strongly agree. API source transparency matters.

replysharereportpermalink
u/burned_once_twiceOP286 points·8 months ago

What is the actual shortage list status right now?

replysharereportpermalink
u/teodor_duarte64 points·8 months ago

no pharmacy referral codes, naming is fine, recruiting is not

replysharereportpermalink
[deleted]29 points·8 months ago

[deleted]

replysharereportpermalink
u/eu_apotheke_a22 points·8 months ago

[deleted]

Adding to this: compounding is doing more work than the comment implies.

replysharereportpermalink
u/solene_eriksen121 points·8 months ago

What is the actual shortage list status right now?

replysharereportpermalink
u/incretin_ivypharmacology163 points·8 months ago·edited

the the UK situation is different from the US, different regulations

replysharereportpermalink
u/pavel_kravchenko121 points·8 months ago·edited

Not to be pedantic but telehealth and 503B are being used interchangeably and they are not interchangeable in real life.

replysharereportpermalink
u/clara_danquah31 points·8 months ago

Which state? Rules vary.

replysharereportpermalink
u/sofia_danquah239 points·8 months ago

state board rules differ, say which state

replysharereportpermalink
u/marit_mwangi88 points·8 months ago

Sceptical. If this were true we would see it reflected in the data and we do not.

replysharereportpermalink
u/burned_once_twiceOP98 points·8 months ago

Moved states and the compounding landscape changed completely. Different rules, different pharmacies, different costs.

replysharereportpermalink
u/bruno_dumitru190 points·8 months ago·edited

telehealth prescriber models exist, pricing differs by state

replysharereportpermalink
u/burned_once_twiceOP113 points·8 months ago

Yeah, 503A and 503B are different regulatory animals.

replysharereportpermalink
u/prior_auth_painappeals111 points·8 months ago

This is correct. The shortage list does expire and the rules change.

replysharereportpermalink
u/step_count_stan55 points·8 months ago

The confident tone is doing a lot of work that the evidence is not.

replysharereportpermalink
u/camila_mensa36 points·8 months ago

the 503A/503B distinction is load-bearing, do not blur it

replysharereportpermalink
u/ignacio_vanhecke12 points·8 months ago

the 503A/503B distinction is load-bearing, do not blur it

Adding to this: API source is doing more work than the comment implies.

replysharereportpermalink
u/prior_auth_painappeals10 points·8 months ago

Are we talking 503A or 503B?

replysharereportpermalink
u/incretin_ivypharmacology55 points·8 months ago

This is the "correlation is mechanism" thing again. You changed three variables at once.

replysharereportpermalink
u/helga_vermeulen36 points·8 months ago

Strongly agree. API source transparency matters.

replysharereportpermalink
u/hydration_hank10 points·8 months ago

no pharmacy referral codes, naming is fine, recruiting is not

replysharereportpermalink
u/ahmed_okafor6 points·8 months ago

Sceptical. If this were true we would see it reflected in the data and we do not.

replysharereportpermalink
u/usp_appendixcompendial4 points·8 months ago

state board rules differ, say which state

replysharereportpermalink
u/lina_ndiaye18 points·8 months ago

Moved states and the compounding landscape changed completely. Different rules, different pharmacies, different costs.

replysharereportpermalink
u/marit_mwangi22 points·8 months ago

Yeah, 503A and 503B are different regulatory animals.

replysharereportpermalink
u/rania_diallo32 points·8 months ago

Yeah, 503A and 503B are different regulatory animals.

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

replysharereportpermalink
u/ferran_mensah-3 points·8 months ago

Yeah, 503A and 503B are different regulatory animals.

replysharereportpermalink
u/niels_roos1 point·8 months ago

What is the actual shortage list status right now?

replysharereportpermalink
Permalinked branches
Deep branches get their own page so a single reply chain can be linked and read on its own.
About c/compounding

Compounded GLP-1s as a supply route: the 503A/503B distinction, the shortage-list mechanics that made compounding legal and then didn't, state board rules, telehealth prescriber models, and what a compounding pharmacy will and will not tell you about its API source.

53kmembers
95submissions
Oct 2023created
submissions / month, last year
Sponsored

Sigma-Aldrich Standards

Certified reference materials for peptide identity and purity work.

sigmaaldrich.com
c/compounding rules
  1. Regulatory claims need a citation to the actual rule, notice or docket.
  2. No pharmacy referral codes. Naming a pharmacy is fine; recruiting for it is not.
  3. API source questions are on-topic and pharmacies dodging them is newsworthy.
  4. Independent community. Nobody here sells anything, and anyone who tries is banned.
  5. Not medical advice. Describe what you did; never prescribe to a stranger.
  6. Claims need evidence. Batch numbers, dated screenshots, independent test reports, or a citation.
  7. No referral links, discount codes or affiliate URLs. Permanent ban, no appeal.
  8. No contact handles, wallet addresses or tracking numbers — they identify people.
  9. Be recognisably decent. Disagree hard, insult nobody.
Moderators
Volunteers. Unpaid, unaffiliated, and reachable through modmail only.
Before you read on

Several compounds discussed on GLP Research Hub are sold for research use only and are not approved for human use anywhere. Nothing here is medical advice and none of it is written by your clinician. If a post reads like an instruction, treat it as a description of what one stranger did.