Dr.LeslieOBGYN said:

Bacteriostatic water quality matters for dosing arithmetic reconstitution.

Adding the part of the answer the thread has not reached. The pattern that distinguishes a bad batch from an exit is behaviour rather than product. A bad batch comes with communication, a reshipment offer and a batch number. An exit comes with slower replies, pressure toward less reversible payment methods, sudden discounting, and the same reassurance repeated without any new information. The product tells you less than the correspondence does.

Dr.LeslieOBGYN said:

Bacteriostatic water quality matters for dosing arithmetic reconstitution.

Ongoing cost tracking for dosing arithmetic — transparency for the community:

Monthly medication cost: $158
Supplies (syringes, BAC water, alcohol swabs): ~$11/month
Janoshik testing: ~$13/month (amortized quarterly)
Lab work: ~$58/month (amortized quarterly)
Total: ~$208/month

Compare to brand Wegovy at $1398/month without insurance. Compounded is roughly 88% cheaper for what I have found to be clinically equivalent medication.

A narrower follow-up, since the general answer is now clear:

How people are distinguishing a supplier having a bad batch from a supplier on the way out?

FDA_TrackerJim said:

Ongoing cost tracking for dosing arithmetic — transparency for the community: Monthly medication cost: $158 Supplies (syringes, BAC water, alcohol…

Just received my dosing arithmetic order — packaging review:

• Outer box: plain brown, no medication identifiers (discreet) ✅
• Inner insulation: Styrofoam with 4 gel ice packs ✅
• Temperature: vials were cold to touch on arrival ✅
• Labeling: lot number, BUD, compound name, concentration ✅
• Included: COA, reconstitution instructions, dosing card ✅

This is what professional compounding pharmacy shipping looks like. If your order arrives without these basics, reconsider your vendor.

Reporting back.

Went back through my own correspondence with an earlier supplier and the warning signs were all there in the replies, weeks before the quality changed. I was reading the product and not the behaviour.