If the peptides are not added to the 503A list, any provider offering them is likely using a questionable supply chain, like the gray market
Research Compound Summary Compound: TB-500 (Thymosin Beta-4 Fragment) CAS Number: 77591-33-4 Molecular Formula: C212H350N56O78S Purity: 98.62% (HPLC-UV verified) Third-Party Testing: Testides Analytical (independent lab, Toronto) COA Download: View Full COA (PDF) Report: DBAV-TB500-10-051226 Source: Canadian manufactured Shipping: Same-day from our BC facility TB-500 peptide Canada: a synthetic version of a 43-amino acid region of Thymosin Beta-4 (TB4), a naturally occurring protein involved in cell migration and differentiation research
Mark Cuban (19:54): You make changes where necessary, no NDA, so you can't talk to manufacturers
Endocrine (2019) 65:56979
10.1016/j.scitotenv.2023.162664 54 LnnstedtO
The clinical presentation of the cases reported to date suggest additional contaminants may be contributing to the observed liver toxicity in the products, Victorias Chief Health Officer, Dr Caroline McElnay, confirmed
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