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Welcome to 5 Stars Services. Products sold on this portal are strictly for laboratory and research purposes. You must be at least 21 years of age to access this site.

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โ—† โ‰ฅ99% Purity โ€” HPLC + Mass Spec
โ—† Endotoxin Tested ยท Sterility Verified
โ˜… Main Hub โ€” 5 Stars Services

Lowest price. Same price every month for life.

A simple way to source research materials. No hassle | No gimmick | No price hike

Now starting at
$69 PT-141/mo
Pay month to month ยท Same price every month ยท Cancel anytime

Option A

Monthly supply with a clear price and simple terms.

$179 Retatrutide / month
Get started

Option B

Monthly supply with a clear price and simple terms.

$259 GLOW MIX / month
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Option C

Monthly supply with a clear price and simple terms.

$79 Tirzepatide / month
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Option D

Monthly supply with a clear price and simple terms.

$99 CJC-1295 w/o DAC + IPA / month
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Option E

Monthly supply with a clear price and simple terms.

$99 BPC-157 5mg + TB 5mg / month
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Option F

Monthly supply with a clear price and simple terms.

$160 Tesamorelin 5mg / month
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Option G

Monthly supply with a clear price and simple terms.

$99 Semaglutide 10mg / month
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PT-141 10MG Vial
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PT-141

10MG Vial
Sterile | โ‰ฅ99% Purity
Research Use Only

View Specifications
Retatrutide Vial
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RETATRUTIDE

5MG / 10MG / 20MG
Sterile | โ‰ฅ99% Purity
Triple Agonist Peptide

View Specifications
Glow Mix Vial
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GLOW MIX

50MG / 10MG / 10MG
Sterile | โ‰ฅ99% Purity
Multi-Component Blend

View Specifications
BPC-157 + TB-500 Vial
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BPC-157 + TB-500

50MG / 10MG / 10MG
Sterile | โ‰ฅ99% Purity
Research Use Only

View Specifications
Tirzepatide Vial
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TIRZEPATIDE

10MG / 15MG / 30MG
Sterile | โ‰ฅ99% Purity
Dual GIP/GLP-1 Agonist

View Specifications
CJC-1295 + Ipamorelin Vial
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CJC-1295 + IPA

No DAC Blend
Sterile | โ‰ฅ99% Purity
GHRH + GHRP Complex

View Specifications
Tesamorelin Vial
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TESAMORELIN

5MG Vial
Sterile | โ‰ฅ99% Purity
Growth Hormone Releasing Factor

View Specifications
Semaglutide Vial
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SEMAGLUTIDE

10MG Vial
Sterile | โ‰ฅ99% Purity
GLP-1 Receptor Agonist

View Specifications

Frequently Asked Questions

Is this a medical service?

No. This site does not provide prescriptions, pharmacy fulfillment, or medical consultations.

Can I cancel anytime?

Yes. You may pause or cancel your membership at any time.

โ–ผ SUBPAGE: Complete Research Compound Catalog & Library โ–ผ
Subpage: Research Reference

The Peptide Research Library

Molecular profiles, reconstitution chemistry, storage, and analytical testing for every compound manufactured โ€” plus head-to-head comparisons and lab-methods guides.

GLP-1 & Metabolic Compounds
Compound Reference
Retatrutide (RETA)

Synthetic 39-amino-acid, lipid-conjugated peptide (CAS 2381089-83-2) classified as a unimolecular GIP/GLP-1/glucagon triple receptor agonist (โ‰ฅ99% HPLC purity).

CAS Number 2381089-83-2
Purity Grade โ‰ฅ 99% (HPLC Verified)
Available Formats 5mg / 10mg / 20mg
Physical State Lyophilized Powder
Compound Reference
Tirzepatide

Dual GIP/GLP-1 receptor agonist engineered for metabolic stability, provided as high-purity lyophilized preparation for receptor affinity studies.

CAS Number 2023788-19-2
Purity Grade โ‰ฅ 99% (HPLC / MS)
Available Formats 10mg / 15mg / 30mg
Physical State Lyophilized Powder
Compound Reference
Semaglutide 10mg

Long-acting synthetic GLP-1 receptor agonist featuring a specialized di-acid side chain for high target selectivity and structural stability.

CAS Number 910463-68-2
Purity Grade โ‰ฅ 99% (HPLC Verified)
Format 10mg Single Vial
Physical State Lyophilized Powder
Compound Reference
PT-141 (Bremelanotide)

Synthetic cyclic heptapeptide featuring a side-chain lactam bridge, supplied as a lyophilized research-grade material at โ‰ฅ99% HPLC purity.

CAS Number 189691-06-3
Molecular Formula C50H68N14O10
Molecular Weight 1025.16 g/mol
Purity โ‰ฅ 99% (HPLC / MS)
Growth Factor & Hormonal Analogues
Blend Reference
CJC-1295 without DAC + Ipamorelin

Co-lyophilized GHRH tetrasubstituted analogue combined with a selective GH secretagogue pentapeptide for synergistic cellular research.

Components Mod GRF 1-29 / Ipamorelin
Purity Grade โ‰ฅ 99% Combined
Formulation Standard Sterile Lyophilized Preparation
Compound Reference
Tesamorelin 5mg

Synthetic N-terminally modified peptide sequence consisting of 44 amino acids designed for growth hormone-releasing factor pathway interaction.

CAS Number 218949-48-5
Purity Grade โ‰ฅ 99% (HPLC Verified)
Format 5mg Single Vial
Physical State Lyophilized Powder
Peptide Blends & Combinations
Blend Reference
Glow Mix

Co-formulated lyophilized research preparation combining high-purity peptides for advanced structural cellular study.

Ratio / Dose 50mg / 10mg / 10mg
Quality Standard Sterile | โ‰ฅ99% Purity
Testing Protocol HPLC & Mass Spec Lot Verified
Blend Reference
BPC-157 + TB-500 Blend

Co-formulated lyophilized preparation offered in high-dose blends or standard 5mg + 5mg balance for cellular matrix recovery studies.

Available Variants 5mg + 5mg / 50mg Multi
Quality Standard Sterile | โ‰ฅ99% Purity
Sequence Integrity Verified HPLC Peak Identity
Technical Methods & Comparisons
Comparison Guide
Semaglutide vs Tirzepatide vs Retatrutide

A research-use-only structural comparison of incretin-class synthetic peptides by receptor classification, backbone structure, and lipid conjugation.

Methodology Guide
How to Read a Certificate of Analysis (COA)

A guide to interpreting mass spectrometry identity graphs, HPLC purity percentages, net peptide content calculations, and endotoxin threshold logs.