
Yes. Every lot of HGH Fragment 176-191 (CAS 66004-57-7) is tested for identity and purity, and a lot-matched Certificate of Analysis is available for each batch.
Yes. The lot-matched COA is linked on this page and covers identity, purity, and the full analytical panel. If a COA isn't shown for the strength you need, Vital Peptides can send it on request before you order.
Vital Peptides supplies qualified researchers, laboratories, and other qualified purchasers only — for research use only. Accounts are verified before ordering is enabled, and this product is not sold to the general public.
Orders confirmed before 12pm CT typically ship the same business day from our U.S. facility with tracking. Vital Peptides can confirm current lead time and cold-chain handling for your account.