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RESEARCH USE ONLY: All products are for in-vitro laboratory research purposes only. Not for human or animal consumption. Not FDA-approved. By using this site, you confirm you are 21+ and agree to our Terms of Service and Compliance Policy.

Most Popular Peptides

40+
Compounds
99%+
HPLC Purity
Free
US Shipping
The most frequently ordered compounds at Pepta Labs, ranked by order volume. All products are supplied as lyophilized powder at ≥99% HPLC purity with independent third-party COA and ESI-MS identity confirmation. Free US shipping on every order with same-day processing before 2 PM EST.

Frequently ordered compounds, ranked by volume.

Bestseller Buy BPC-157 10mg 10mg/vial | Pepta Labs
BPC & Thymosin Peptides BPC-157 10mg 10mg/vial

Synthetic 15-amino-acid pentadecapeptide. CAS 137525-51-0. Lyophilized powder.

99.50% pure COA ✓
from $44.99 3pk -10% 5pk -15%
Bestseller Buy TB-500 5mg 5mg/vial | Pepta Labs
BPC & Thymosin Peptides TB-500 5mg 5mg/vial

Synthetic 43-amino-acid Thymosin Beta-4 fragment. CAS 77591-33-4. Lyophilized powder.

99.20% pure COA ✓
from $33.99 3pk -10% 5pk -15%
Bestseller Buy GHK-Cu 100mg 100mg/vial | Pepta Labs
Copper Peptides GHK-Cu 100mg 100mg/vial

Synthetic copper-binding tripeptide complex, 100mg quantity. CAS 49557-75-7. Lyophilized powder.

99.30% pure COA ✓
from $59.99 3pk -10% 5pk -15%
Bestseller Buy Semaglutide 5mg 5mg/vial | Pepta Labs
Incretin & Amylin Analogues Semaglutide 5mg 5mg/vial

Synthetic 31-amino-acid peptide analogue. CAS 910463-68-2. Supplied as lyophilized powder.

99.40% pure COA ✓
from $44.99 3pk -10% 5pk -15%
Bestseller Buy Retatrutide 10mg 10mg/vial | Pepta Labs
Incretin & Amylin Analogues Retatrutide 10mg 10mg/vial

Synthetic peptide compound. CAS 2381089-83-2. Supplied as lyophilized powder.

99.20% pure COA ✓
from $89.99 3pk -10% 5pk -15%
Bestseller Buy Retatrutide 20mg 20mg/vial | Pepta Labs
Incretin & Amylin Analogues Retatrutide 20mg 20mg/vial

Synthetic peptide compound, 20mg quantity. CAS 2381089-83-2. Lyophilized powder.

99.20% pure COA ✓
from $124.99 3pk -10% 5pk -15%
Bestseller Buy Retatrutide 30mg 30mg/vial | Pepta Labs
Incretin & Amylin Analogues Retatrutide 30mg 30mg/vial

Synthetic peptide compound, 30mg quantity. CAS 2381089-83-2. Lyophilized powder.

99.20% pure COA ✓
from $154.99 3pk -10% 5pk -15%
Bestseller Buy Ipamorelin 5mg 5mg/vial | Pepta Labs
GHRH Analogues Ipamorelin 5mg 5mg/vial

Synthetic pentapeptide. CAS 170851-70-4. Lyophilized powder.

99.20% pure COA ✓
from $29.99 3pk -10% 5pk -15%
Bestseller Buy Melanotan-II 10mg 10mg/vial | Pepta Labs
MSH Analogues Melanotan-II 10mg 10mg/vial

Synthetic cyclic heptapeptide. CAS 121062-08-6. Lyophilized powder.

99.30% pure COA ✓
from $32.99 3pk -10% 5pk -15%

Why Researchers Choose Pepta Labs

Pepta Labs is a US-based supplier of research-use-only peptides for in-vitro and preclinical laboratory applications. Every compound is synthesized to ≥99% HPLC-verified purity and independently tested by third-party laboratories with full Certificate of Analysis documentation.

Our catalog includes BPC-157, TB-500, Ipamorelin, GHK-Cu, Semax, N-Acetyl Semax Amidate, Thymosin Alpha-1, and more. Free US shipping. Same-day processing before 2 PM EST. Transitioning from a discontinued supplier? See our vendor shutdown tracker.

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Frequently Asked Questions

You can buy research-grade peptides from Pepta Labs at peptalabs.com. All compounds are ≥99% HPLC-verified purity with third-party COA, free US shipping, and same-day processing before 2 PM EST.
Every peptide is verified at ≥99% purity by HPLC with ESI-MS identity confirmation and endotoxin screening. Batch-specific COA documents are available upon request.
Yes. Every batch undergoes independent third-party testing including HPLC purity, ESI-MS identity, and LAL endotoxin screening.
Yes. 3-vial packs at 10% off, 5-vial packs at 15% off. Bundles like GLOW 70, KLOW 80, and Wolverine offer additional savings.
Yes. We maintain ≥99% HPLC purity with independent verification and free US shipping. See our vendor shutdown tracker.