Orbitrex Peptides User Review: Quality concern with tirzepatide lot 2G600426 — no substantive response from Orbitrex
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This is a vendor review submitted by lm on PeptideCritic.com.
Rating:

(2/5) · Peptide: GLP2-T · Reviewed September 21, 2026
I have purchased a significant amount of peptide material from Orbitrex, including multiple 60 mg tirzepatide vials. I currently have 15 unopened vials labeled lot 2G600426. Orbitrex publishes a…
Read the full review on Orbitrex Peptides' page
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In your review you stated "Despite that COA, I developed concerns about the consistency of the tirzepatide from this batch compared with material from two other suppliers." What concerns, and what prompted their development?
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