Bestseller
Retatrutide
$55–$85
GLP-3 · 10 / 20 MG · ≥99%
Triple-agonist research peptide
Third-party HPLC verified
Reference-Grade Peptides.
Independent third-party HPLC verification on every lot. Manufactured and shipped same-day. The reference-grade peptides researchers have been waiting for.
Featured · LOT PT-2604-A
Retatrutide
GLP-3 · 10 MG
HPLC verified
≥99%
≥99%
Average HPLC purity
Verified per lot
24h
Same-day shipping cutoff
Before 2pm PT
COA
On every order
Lot-traceable
99%
Gold-standard purity
≥99% HPLC verified by independent ISO 17025–accredited labs. COA on every lot.
In-house
In-house fulfillment
Every order is inspected, packed, and shipped directly by us — no third-party fulfillment, no drop-shipping.
$199+
Free 2-day shipping
Free priority shipping on orders over $199. Tracked and insured.
2pm PT
Same-day fulfillment
Orders placed before 2pm PT ship the same business day.
06 / Reference-grade compounds
The catalog
Third-party HPLC tested, temperature-controlled, and shipped same-day.
Bestseller
GHK-Cu
$25
Copper Peptide · 50 MG · ≥99%
Tripeptide-copper complex
Bestseller
BPC-157
$40
Body Protection Compound · 10 MG · ≥99%
Pentadecapeptide research compound
New
Glow Stack
$65
Pept Stack · 70 MG · ≥99%
GHK-Cu · TB-500 · BPC-157
Glutathione
$35
Antioxidant Peptide · 1200 MG · ≥99%
Antioxidant tripeptide (GSH)
IGF-1 LR3
$90
Growth Factor · 1 MG · ≥99%
Long-acting IGF-1 analog
KPV
$30
Tripeptide · 10 MG · ≥99%
Alpha-MSH C-terminal tripeptide
MOTS-c
$35
Mitochondrial Peptide · 10 MG · ≥99%
Mitochondrial-derived peptide
TB-500
$45
Thymosin Peptide · 10 MG · ≥99%
Thymosin Beta-4 active fragment
Tesamorelin
$45–$80
GHRH Analog · 5 / 10 MG · ≥99%
GHRH (1-44) analog
Bacteriostatic Water
$10
BAC Water · 10 ML · USP grade
0.9% benzyl alcohol
New
Insulin Syringes
$5
10 PACK · 10 PACK · Medical grade
Sterile 1 mL insulin syringes
Out of stock
L-Carnitine
$30
Amino Acid · 10 ML · ≥99%
Levocarnitine research solution
For research use only. All Pept products are intended for laboratory and research applications. Not for human consumption, ingestion, or any in-vivo use.
The lab
How we verify every lot.
Every batch is tested by an independent ISO 17025–accredited lab. We publish the COA on each product page, traceable by lot number. Our acceptance floor is ≥99% purity — most lots exceed 99.5%.
- 01
Sourcing
Finished, lyophilized vials sourced from vetted suppliers, with documented chain-of-custody by lot number.
- 02
Verification
Lot samples sent to an independent ISO 17025–accredited lab. HPLC, LC-MS, and endotoxin testing, with a COA on every batch.
- 03
Fulfillment
Every order inspected, packed, and shipped in-house — cold-pack protected, tracked, and sent directly to you.
HPLC · LOT PT-2604-APASS · 99.7%
0 minRetention time12 min
Method
Reversed-phase HPLC
Column
C18 · 4.6 × 250 mm
Detection
UV @ 220 nm
Endotoxin
< 0.05 EU/mg
Questions