From the other side of the consultation, briefly.

Compounding pharmacy response time test for compounded supply: I email customer service at odd hours to test responsiveness. A pharmacy that can't answer questions promptly is a red flag.

My current pharmacy: average response time same day. They answered my questions about sterility testing thoroughly and professionally.

Communication quality is a proxy for operational quality. A pharmacy that communicates well is likely manufacturing well too.

LibrarianMeg said:

Compounding pharmacy response time test for compounded supply: I email customer service at odd hours to test responsiveness.

Can confirm. Same sequence, different timescale. I had assumed I was the exception until I read this.

LibrarianMeg said:

Compounding pharmacy response time test for compounded supply: I email customer service at odd hours to test responsiveness.

Compounding pharmacy red flag checklist for compounded supply — if ANY of these apply, find a different source:

1. No verifiable physical address
2. No pharmacist available for consultation
3. COA not available or clearly template/fake
4. Prices dramatically below market ($30-40/month = suspicious)
5. No prescription required
6. Ships without cold pack or temperature control
7. No batch/lot numbers on product labeling
8. Pushes "research use only" products for human injection

Your health depends on product quality. Don't cut corners on source verification.

LibrarianMeg 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:

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

Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again.