Research Peptides
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Third-Party Tested · 99%+ Purity · Order via Discord DM

STACKZ PEPS

Premium Research Peptides

Pharmaceutical-grade research peptides engineered for precision. Every batch independently verified for maximum purity and potency.

Browse Peptides View Lab Reports
Retatrutide 10mg — $35.00
Selank 10mg — $25.00
GHK-Cu 100ml — $30.00
TB-500 10mg — $35.00
HGH 15 IU — $20.00
MOTS-C 10mg — $20.00
Tirzepatide 10mg — $20.00
Bacteriostatic Water — $5.00
Triple Agonist Peptide
Copper Tripeptide-1
99%+ Purity Verified
Third-Party Lab Tested
Order via Discord DM
Retatrutide 10mg — $35.00
Selank 10mg — $25.00
GHK-Cu 100ml — $30.00
TB-500 10mg — $35.00
HGH 15 IU — $20.00
MOTS-C 10mg — $20.00
Tirzepatide 10mg — $20.00
Bacteriostatic Water — $5.00
Triple Agonist Peptide
Copper Tripeptide-1
99%+ Purity Verified
Third-Party Lab Tested
Order via Discord DM
99.6%
Avg. Purity
12
Products
3rd Party
Lab Tested
Discord
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Featured Peptides

Triple Agonist
Retatrutide
GLP-1 / GIP / Glucagon Receptor Agonist · 10mg

A novel triple receptor agonist targeting GLP-1, GIP, and glucagon receptors simultaneously. One of the most advanced compounds currently under clinical investigation for metabolic research. 10mg lyophilized vial — high-purity, third-party verified.

Copper Peptide
GHK-Cu
Copper Tripeptide-1 · 100ml Solution

Glycyl-L-histidyl-L-lysine copper complex — a naturally occurring tripeptide with copper binding affinity. Extensively studied for its role in collagen synthesis, antioxidant activity, and cellular signaling research. 100ml ready-to-use solution.

Essential Supply
Bacteriostatic Water
0.9% Benzyl Alcohol · Sterile · 10ml

Pharmaceutical-grade bacteriostatic water for reconstituting lyophilized peptide vials. Contains 0.9% benzyl alcohol to inhibit bacterial growth. Essential for proper peptide preparation in any research setting.

Healing Peptide
BPC 157
Body Protection Compound · 10mg

A synthetic peptide derived from a protein found in gastric juice. Widely studied for its role in tissue repair, gut health, and musculoskeletal research. 10mg lyophilized vial — third-party verified purity.

Growth Hormone
Tesamorelin
GHRH Analogue · 10mg

A synthetic analogue of growth hormone-releasing hormone (GHRH). Studied extensively for its role in stimulating endogenous growth hormone secretion and metabolic research. 10mg lyophilized vial.

GH Secretagogue
CJC / Ipamorelin
CJC-1295 No DAC 5mg + Ipamorelin 5mg

A synergistic blend of CJC-1295 (without DAC) and Ipamorelin — two well-studied growth hormone secretagogues. Combined for research into pulsatile GH release and metabolic signaling pathways.

Recovery Peptide
TB-500
Thymosin Beta-4 Fragment · 10mg

A synthetic version of Thymosin Beta-4, a naturally occurring peptide found in nearly all human and animal cells. Extensively studied for its role in tissue repair, wound healing, and cellular regeneration research. 10mg lyophilized vial.

Nootropic Peptide
Semax
ACTH(4-7) Analogue · 10mg

A synthetic peptide analogue of ACTH(4-7) developed for cognitive and neuroprotective research. Studied for its effects on BDNF expression, memory, and neurological function. 10mg lyophilized vial.

Human Growth Hormone
HGH
Somatropin · 15 IU

Recombinant human growth hormone for research into cellular regeneration, metabolism, and anabolic signaling pathways. 15 IU lyophilized — third-party verified purity and potency.

Mitochondrial Peptide
MOTS-C
Mitochondrial Open Reading Frame · 10mg

A mitochondria-derived peptide encoded in the mitochondrial genome. Studied for its role in metabolic regulation, insulin sensitivity, and cellular energy homeostasis research. 10mg lyophilized vial.

Dual GIP/GLP-1
Tirzepatide
GIP / GLP-1 Dual Agonist · 10mg

A dual glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 receptor agonist. One of the most studied compounds in metabolic and adiposity research. 10mg lyophilized vial — third-party verified.

Nootropic Peptide
Selank
Tuftsin Analogue · 10mg

A synthetic analogue of the human tetrapeptide tuftsin. Extensively studied for its anxiolytic and nootropic properties, including effects on BDNF levels, memory consolidation, and stress response in research settings. 10mg lyophilized vial.

Shop by Category

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GLP-1 Agonists
Retatrutide · Tirzepatide
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Copper Peptides
GHK-Cu 100ml
View Products →
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Healing Peptides
BPC 157 · TB-500
View Products →
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Growth Hormone
Tesamorelin · CJC/Ipamorelin · HGH · MOTS-C
View Products →
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Nootropics
Semax · Selank
View Products →
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Essentials
Bacteriostatic Water 10ml
View Products →

Why Choose Stackz Peps?

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Third-Party Lab Tested

Every single batch is independently tested by certified labs. We publish full CoAs (Certificate of Analysis) with HPLC purity verification for total transparency.

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Order via Discord DM

No checkout hassle. Simply join our Discord and send us a DM with your order. We'll walk you through payment and get your research compounds on their way fast.

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Secure & Discreet

256-bit encrypted checkout. All orders shipped in plain unmarked packaging with no identifiable branding on the outside of the package.

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Expert Support

Our team includes researchers with deep scientific backgrounds. We answer technical questions about peptide handling, storage, and reconstitution.

Third-Party Lab Reports

Certificate of Analysis
Retatrutide 10mg
Report #: IF-824-QSA-TR006-2026-01-46  ·  Lot: JR3AMVD  ·  Tested: 01/07/2026
✓ PASS
BTLabs · BioTools
HPLC Purity
99.6%
Spec: ≥ 98%
HPLC Potency
101.9%
10.2mg of label claim
FTIR Identity
Confirmed Retatrutide
Appearance
White powder · USP <630>
Testing Method: FTIR and HPLC analysis (USP <621>, USP <197A>) for identification, purity, potency and composition. Verified by Andrea Castro AS & Verna Zheng AS, Scientists at BTLabs — 5730 Corporate Way, West Palm Beach, FL 33407.
Certificate of Analysis
GHK-Cu 100mg
Lab #: 131165  ·  Project: 135568  ·  CAS: 49557-75-7  ·  Tested: 12/21/2025
✓ PASS
Krause Analytical
Chromatographic Purity
>99.95%
HPLC-UV/MS Method
GHK-Cu Content
99.5%
99.5mg of label claim
Identity
ID Confirmed HPLC-UV-MS
Test ID
tfn6kvf
Verify at finnrick.com
Testing Method: HPLC-UV/MS peptide analysis per USP/NF 621. Verified by Mark C. Krause, Laboratory Director — Krause Analytical LLC, 8127 Mesa Drive Suite B-206, Austin, TX 78759. Report issued 12/29/2025.
Certificate of Analysis
BPC-157 10mg
Lab #: 129804  ·  Project: 135412  ·  Test ID: nwz833y  ·  Tested: 10/29/2025
✓ PASS
Krause Analytical
Chromatographic Purity
99.26%
HPLC-UV/MS Method
BPC-157 Content
100.3%
10.0mg of label claim
Identity
ID Confirmed HPLC-UV-MS
Test ID
nwz833y
Verify at finnrick.com
Testing Method: HPLC-UV/MS peptide analysis per USP/NF 621. Verified by Mark C. Krause, Laboratory Director — Krause Analytical LLC, 8127 Mesa Drive Suite B-206, Austin, TX 78759. Report issued 11/4/2025.
Certificate of Analysis
Tesamorelin 10mg
Lab #: 132339  ·  Project: 135689  ·  CAS: 218949-48-5  ·  Test ID: 4z82mcs  ·  Tested: 1/22/2026
✓ PASS
Krause Analytical
Chromatographic Purity
>99.9%
HPLC-UV/MS Method
Tesamorelin Content
103.4%
10.3mg of label claim
Identity
ID Confirmed HPLC-UV-MS
Test ID
4z82mcs
Verify at finnrick.com
Testing Method: HPLC-UV/MS peptide analysis per USP/NF 621. Verified by Mark C. Krause, Laboratory Director — Krause Analytical LLC, 8127 Mesa Drive Suite B-206, Austin, TX 78759. Report issued 1/26/2026.
Certificate of Analysis
CJC-1295 No DAC 5mg
Lab #: 132169  ·  Project: 135689  ·  CAS: 446036-97-1  ·  Test ID: pqcqb7u  ·  Tested: 1/22/2026
✓ PASS
Krause Analytical
Chromatographic Purity
>99.9%
HPLC-UV/MS Method
CJC-1295 Content
98.5%
4.92mg of label claim
Identity
ID Confirmed HPLC-UV-MS
Test ID
pqcqb7u
Verify at finnrick.com
Testing Method: HPLC-UV/MS peptide analysis per USP/NF 621. Verified by Mark C. Krause, Laboratory Director — Krause Analytical LLC, 8127 Mesa Drive Suite B-206, Austin, TX 78759. Report issued 2/4/2026.
Certificate of Analysis
TB-500 10mg
Lab #: 200672  ·  Project: 145031  ·  CAS: 77591-33-4  ·  Test ID: hx35ys8  ·  Tested: 2/11/2026
✓ PASS
Krause Analytical
Chromatographic Purity
>99.9%
HPLC-UV/MS Method
TB-500 Content
95.4%
9.54mg of label claim
Identity
ID Confirmed HPLC-UV-MS
Test ID
hx35ys8
Verify at finnrick.com
Testing Method: HPLC-UV/MS peptide analysis per USP/NF 621. Verified by Mark C. Krause, Laboratory Director — Krause Analytical LLC, 8127 Mesa Drive Suite B-206, Austin, TX 78759. Report issued 2/18/2026.
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Research Use Only. All products sold by Stackz Peps are strictly for laboratory and in-vitro research purposes only. These products are not drugs, food products, or dietary supplements. They are not intended for human or veterinary use. By purchasing from Stackz Peps, you confirm you are a qualified researcher and agree that these products will only be used in approved laboratory settings in compliance with all applicable local, state, and federal regulations.

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