u/soren_zamora

swirl, do not shake, or you are courting oxidation

No. This is the kind of confident post that gets copied into a screenshot and repeated for years. Where is the evidence.

one vendor per post, multi-vendor goes in the monthly thread

vendor staff must self-identify, full stop

Are you using a u-100 or u-40 syringe? That changes everything.

This is correct. 2mL versus 22mL is the common mistake.

The evidence standard in c/vendorvetting gets called too strict about once a month, and every time, the thread ends with the complainant agreeing.

Cosigning. The batch number is load-bearing information.

30mg vial, 2mL water, concentration is 30/2 — write it on the vial afterwards

I love that this community will spend 40 comments on a detail. That pedantry is why the numbers here matter.

chromatogram or it did not happen

positive and negative reports both need the same evidence standard

never post a calculation as advice without stating the concentration

Order date, product, and result, in that order please?

Yeah, GL Biochem took 5 days and the material was flawless. Both of those things are true.

redact your own name, not the vendor's batch details

Yeah, CPC took 21 days and the material was flawless. Both of those things are true.

Not convinced. The evidence does not support that reading.

Went through three vendors to find one that actually ships on-time and tests clean. The answer was Homopeptide.

did they reship, credit, or ghost you?

Disagree on that part. 97.4% and 99.2% on the same vial is normal.