RESEARCH USE ONLY: All products are for laboratory research only. NOT for human or veterinary use.

Product Categories

Browse All Research Categories

Explore our complete catalog of 75+ research compounds organized by scientific research pathway

8
Main Categories
75+
Research Compounds
98%+
Minimum Purity
100%
COA Verified
CAT-METABOLIC

Metabolic & Fat Research

Research compounds for studying metabolic pathways, glucose regulation, and energy homeostasis mechanisms.

Featured Compounds:

Semaglutide Tirzepatide AICAR MOTS-C Retatrutide Cagrilintide
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CAT-GH

Growth Hormone Research

GHRH analogs and secretagogues for investigating growth hormone release pathways and IGF-1 signaling.

Featured Compounds:

CJC-1295 DAC Ipamorelin GHRP-2 GHRP-6 Sermorelin Hexarelin
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CAT-MUSCLE

Muscle & Performance

Growth factors and compounds for studying muscle cell development, hypertrophy signaling, and performance pathways.

Featured Compounds:

IGF-1 LR3 IGF-DES MGF Follistatin ACE-031
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CAT-JOINT

Joint & Tissue Research

Peptides for investigating connective tissue repair, tendon regeneration, and wound healing mechanisms.

Featured Compounds:

BPC-157 TB-500 BPC-157 + TB-500 KPV
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CAT-LONGEVITY

Longevity & Cellular

Compounds for studying cellular aging, mitochondrial function, oxidative stress, and longevity pathways.

Featured Compounds:

NAD+ Epithalon Glutathione FOXO4-DRI Humanin
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CAT-NEURO

Neuro & Cognitive

Peptides for investigating neurological pathways, cognitive function, neuroprotection, and brain health mechanisms.

Featured Compounds:

Semax Selank Cerebrolysin Pinealon P21 Dihexa
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CAT-REGEN

Regenerative & Skin

Compounds for studying skin regeneration, collagen synthesis, dermal repair, and cosmetic research applications.

Featured Compounds:

GHK-Cu Hyaluronic Acid SNAP-8 Matrixyl Copper Peptides
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CAT-IMMUNE

Immune & Hormonal

Research compounds for studying immune function, thymic peptides, reproductive hormones, and endocrine pathways.

Featured Compounds:

Thymalin EPO HCG HMG Thymosin Alpha-1 LL-37
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COMBINATION STACKS

Research Stacks & Custom Bundles

Pre-configured compound combinations and custom research bundles designed for specific research goals. Save on bulk orders and streamline your research protocol.

Growth Stack Recovery Stack Longevity Stack Custom Bundles
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Why Choose Circus Peptides?

Industry-leading quality standards for every research compound category

≥98% Purity

All products independently tested and verified

COA Included

Certificate of Analysis with every order

Cold Chain

Temperature-controlled shipping guaranteed

Expert Support

Dedicated research support team

Research Use Only Compliance

All products across all categories are designated as Research Use Only (RUO) and are intended strictly for laboratory research by qualified professionals. Products are NOT FDA-approved for human or veterinary use.

Ready to Start Your Research?

Browse our complete catalog or contact our team for personalized product recommendations