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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.

All Peptides

40+
Compounds
99%+
HPLC Purity
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Research-grade peptides with ≥99% purity, third-party verified.

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%
New Buy SS-31 50mg 50mg/vial | Pepta Labs
BPC & Thymosin Peptides SS-31 50mg 50mg/vial

Synthetic tetrapeptide (Elamipretide), 50mg quantity. CAS 736992-21-5. Lyophilized powder.

99.10% pure COA ✓
from $144.83 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%
Buy KPV 10mg 10mg/vial | Pepta Labs
Copper Peptides KPV 10mg 10mg/vial

Synthetic tripeptide (Lys-Pro-Val). CAS 67727-97-3. Lyophilized powder.

99.10% pure COA ✓
from $40.31 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%
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Incretin & Amylin Analogues Semaglutide 20mg 20mg/vial

Synthetic 31-amino-acid peptide analogue, 20mg quantity. CAS 910463-68-2. Lyophilized powder.

99.40% pure COA ✓
from $99.99 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%
Buy Cagrilintide 10mg 10mg/vial | Pepta Labs
Incretin & Amylin Analogues Cagrilintide 10mg 10mg/vial

Synthetic acylated peptide, 10mg quantity. CAS 2170621-38-2. Lyophilized powder.

99.00% pure COA ✓
from $64.99 3pk -10% 5pk -15%
Buy 5-Amino-1MQ 50mg 60ct · 50mg | Pepta Labs
Incretin & Amylin Analogues 5-Amino-1MQ 50mg 60ct · 50mg

Small molecule compound, 60 capsules x 50mg. CAS 42088-73-1. Oral form.

99.00% pure COA ✓
from $225.12 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%
Buy CJC-1295 no DAC 5mg 5mg/vial | Pepta Labs
GHRH Analogues CJC-1295 no DAC 5mg 5mg/vial

Synthetic 29-amino-acid peptide (Modified GRF 1-29). CAS 863288-34-0. Lyophilized powder.

99.10% pure COA ✓
from $67.99 3pk -10% 5pk -15%
Buy Tesamorelin 10mg 10mg/vial | Pepta Labs
GHRH Analogues Tesamorelin 10mg 10mg/vial

Synthetic 44-amino-acid peptide. CAS 804475-66-9. Lyophilized powder.

99.20% pure COA ✓
from $71.99 3pk -10% 5pk -15%
New Buy Sermorelin 10mg 10mg/vial | Pepta Labs
GHRH Analogues Sermorelin 10mg 10mg/vial

Synthetic 29-amino-acid peptide fragment (GHRH 1-29). CAS 86168-78-7. Lyophilized powder.

99.00% pure COA ✓
from $57.99 3pk -10% 5pk -15%
Low Stock Buy MOTS-C 10mg 10mg/vial | Pepta Labs
Incretin & Amylin Analogues MOTS-C 10mg 10mg/vial

Synthetic 16-amino-acid peptide. CAS 1627580-64-6. Supplied as lyophilized powder.

99.10% pure COA ✓
from $44.50 3pk -10% 5pk -15%
Buy Melanotan-I 10mg 10mg/vial | Pepta Labs
MSH Analogues Melanotan-I 10mg 10mg/vial

Synthetic 13-amino-acid linear peptide (Afamelanotide). CAS 75921-69-6. Lyophilized powder.

99.20% pure COA ✓
from $27.99 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%
Buy PT-141 10mg 10mg/vial | Pepta Labs
MSH Analogues PT-141 10mg 10mg/vial

Synthetic cyclic heptapeptide (Bremelanotide). CAS 189691-06-3. Lyophilized powder.

99.10% pure COA ✓
from $42.99 3pk -10% 5pk -15%
Buy Semax 10mg 10mg/vial | Pepta Labs
Neuropeptides Semax 10mg 10mg/vial

Synthetic heptapeptide, ACTH(4-7)-PGP analogue. CAS 80714-61-0. Lyophilized powder.

99.00% pure COA ✓
from $30.66 3pk -10% 5pk -15%
Buy DSIP 5mg 5mg/vial | Pepta Labs
Neuropeptides DSIP 5mg 5mg/vial

Synthetic nonapeptide. CAS 62568-57-4. Lyophilized powder.

99.00% pure COA ✓
from $25.12 3pk -10% 5pk -15%
Buy NAD+ 500mg 500mg/vial | Pepta Labs
Thymic Peptides NAD+ 500mg 500mg/vial

Nicotinamide adenine dinucleotide, 500mg quantity. CAS 53-84-9. Lyophilized powder.

99.50% pure COA ✓
from $60.20 3pk -10% 5pk -15%
Buy Thymosin Alpha-1 10mg 10mg/vial | Pepta Labs
Thymic Peptides Thymosin Alpha-1 10mg 10mg/vial

Synthetic 28-amino-acid thymic peptide. CAS 62304-98-7. Lyophilized powder.

99.10% pure COA ✓
from $52.33 3pk -10% 5pk -15%
Buy BPC-157 5mg 5mg/vial | Pepta Labs
BPC & Thymosin Peptides BPC-157 5mg 5mg/vial

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

99.50% pure COA ✓
from $42.99 3pk -10% 5pk -15%
Buy BPC-157 20mg 20mg/vial | Pepta Labs
BPC & Thymosin Peptides BPC-157 20mg 20mg/vial

Synthetic 15-amino-acid pentadecapeptide, 20mg quantity. CAS 137525-51-0. Lyophilized powder.

99.50% pure COA ✓
from $86.99 3pk -10% 5pk -15%
Buy NAD+ 1000mg 1000mg/vial | Pepta Labs
Thymic Peptides NAD+ 1000mg 1000mg/vial

Nicotinamide adenine dinucleotide, 1000mg quantity. CAS 53-84-9. Lyophilized powder.

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from $119.27 3pk -10% 5pk -15%
Buy Tirzepatide 30mg 30mg/vial | Pepta Labs
Incretin & Amylin Analogues Tirzepatide 30mg 30mg/vial

Synthetic 39-amino-acid peptide, 30mg quantity. CAS 2023788-19-2. Lyophilized powder.

99.30% pure COA ✓
from $109.99 3pk -10% 5pk -15%
Out of Stock Buy Tirzepatide 40mg 40mg/vial | Pepta Labs
Incretin & Amylin Analogues Tirzepatide 40mg 40mg/vial

Synthetic 39-amino-acid peptide, 40mg quantity. CAS 2023788-19-2. Lyophilized powder.

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from $129.99 3pk -10% 5pk -15%
New Buy FOXO4-DRI 10mg 10mg/vial | Pepta Labs
Thymic Peptides FOXO4-DRI 10mg 10mg/vial

Synthetic D-retro-inverso peptide. CAS 2098505-04-9. Lyophilized powder.

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from $145.68 3pk -10% 5pk -15%
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Copper Peptides SNAP-8 10mg 10mg/vial

Synthetic octapeptide (Acetyl Octapeptide-3). CAS 868844-74-0. Lyophilized powder.

99.00% pure COA ✓
from $40.03 3pk -10% 5pk -15%
New Buy N-Acetyl Semax Amidate 10mg 10mg/vial | Pepta Labs
Neuropeptides N-Acetyl Semax Amidate 10mg 10mg/vial

Acetylated and amidated Semax analogue with enhanced enzymatic stability. Lyophilized powder.

99.00% pure COA ✓
from $46.85 3pk -10% 5pk -15%
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Neuropeptides N-Acetyl Selank Amidate 10mg 10mg/vial

Acetylated and amidated Selank analogue with enhanced enzymatic stability. Lyophilized powder.

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from $51.11 3pk -10% 5pk -15%
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Neuropeptides VIP 10mg 10mg/vial

Synthetic 28-amino-acid peptide. CAS 40077-57-4. Lyophilized powder.

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from $51.11 3pk -10% 5pk -15%
New Buy Thymulin 10mg 10mg/vial | Pepta Labs
Thymic Peptides Thymulin 10mg 10mg/vial

Synthetic zinc-binding nonapeptide. CAS 63958-90-7. Lyophilized powder.

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from $34.07 3pk -10% 5pk -15%
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Thymic Peptides Livagen 10mg 10mg/vial

Synthetic tetrapeptide (Lys-Glu-Asp-Ala). CAS 274901-36-5. Lyophilized powder.

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from $29.81 3pk -10% 5pk -15%
Buy Mazdutide 20mg 20mg/vial | Pepta Labs
Incretin & Amylin Analogues Mazdutide 20mg 20mg/vial

Synthetic peptide compound. Supplied as lyophilized powder.

99.00% pure COA ✓
from $99.99 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.