Trevor King
June 24, 2026
got here quicker than i figured, wrapping was neat
TB 500
COA Verified
Every lot of TB 500 is released only after third-party HPLC purity (≥ 99 %), mass-spec identity confirmation and LAL endotoxin testing. The full Certificate of Analysis for your lot ships with the vial.
Released · In stock at the U.S. facility
In stockShips today2–5 day U.S. delivery
What research shows
- ≥ 99 % HPLC purity — verified by a third-party lab on every lot
- U.S. synthesis — made & tested in Carlsbad, California
Why Puripep: ≥99% HPLC verified · LAL endotoxin <10 EU/mg · third-party CoA per lot · ships in insulated packaging · 2–5 day U.S. delivery
The science behind it
TB 500 is supplied as a lyophilized research peptide.
Storage & reconstitution
Store the lyophilized vial at −20 °C (long term) or 2–8 °C (short term, up to 30 days). Reconstitute with bacteriostatic water at the working concentration. After reconstitution, store at 2–8 °C and use within 28 days.
Quality & release standards
Each lot is released only after passing: HPLC purity ≥ 99 %, mass-spectrometry identity confirmation, and LAL endotoxin < 10 EU/mg. Certificate of Analysis (CoA) issued per lot. U.S. synthesis (Carlsbad CA).
Research Use Only — TB 500 is sold for in-vitro laboratory research and authorised professional use. Not for human or animal consumption. Not a medicinal product, supplement, food additive, or cosmetic. Customers represent they are a qualified researcher, laboratory, or institution.
- ≥ 99 % HPLC purity
- CoA on every vial
- U.S. warehouse · flat $14.99
Available doses 10 mg
Reviews
4.8328 customer reviews
5★254
4★65
3★9
2★0
1★0
Anonymous✓ Verified owner
June 24, 2026
tracking held accurate the whole way, and it arrived clean with the seal untouched
Anonymous
June 22, 2026
still cold on arrival, box had a small dent but the product was fine
Sharon Roberts
June 21, 2026
four business days, packed right. reordering off the account page was painless. good.
Josh C.✓ Verified owner
June 19, 2026
no notes, arrived cold. corner of the box was slightly dinged but the product was fine
Lori R.✓ Verified owner
June 19, 2026
delivered almost overnight, quick
Brad C.✓ Verified owner
June 18, 2026
under a week from order to my door. vial was fine. solid.
Nadia F.✓ Verified owner
June 18, 2026
all good on my end
