Research Peptides For Sale
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Research Peptides For Sale

Every compound in our catalog is ≥99% pure, HPLC-verified, and backed by a third-party Certificate of Analysis for its specific lot. Ships fast from our US facility.

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Buy Research Peptides Online

This page lists every research peptide currently in stock — for researchers who already know what they're looking for and want to buy peptides directly, without wading through educational content first.

All products are supplied strictly for laboratory research use. They are not for human or veterinary use, and are not intended for ingestion, injection, or any form of administration.

Full Research Peptide Catalog

Every listing below ships with its own Certificate of Analysis.

"Age, Undone" Senescence

Peptide Bundles

FOX04-DRI and Epithalon are both studied in cellular-senescence research, but from two entirely different mechanistic angles, FOX04-DRI through disrupting the FOXO4-p53 protein interaction associated with senescent cells, and Epithalon through telomerase-activity research.

"Age, Undone" Senescence
Sale
From$250.00
$237.99-5%

"Bounce Back" Repair Trio

Peptide Bundles

The Repair Trio is a research peptide bundle combining BPC-157 5mg, TB-500 5mg, and GHK-Cu 50mg, three of the most frequently co-studied tissue-repair peptides, in one kit at a bundled price, for laboratory research into angiogenesis, cell migration, and extracellular matrix remodeling.

"Bounce Back" Repair Trio
Sale
From$175.00
$165.99-5%

"Breathe Easy" Bioregulator Respiratory

Peptide Bundles

Chonluten and Bronchogen make up the complete Respiratory panel among the short peptide bioregulators sold on the site, both studied in relation to bronchial and respiratory-tissue research.

"Breathe Easy" Bioregulator Respiratory
Sale
From$140.00
$132.99-5%

"Built to Last" Longevity & Mitochondrial

Peptide Bundles

Longevity & Mitochondrial covers four separate cellular-aging mechanisms in one kit: telomerase-activity research with Epithalon, energy-cofactor research with NAD+, mitochondrial-membrane research with SS-31, and NNMT-pathway research with 5-Amino-1MQ.

"Built to Last" Longevity & Mitochondrial
Sale
From$310.00
$294.99-5%

"Clean Slate" Bioregulator Hepatic/Digestive

Peptide Bundles

Ovagen, Livagen, and Pancragen make up the complete Hepatic/Digestive panel among the short peptide bioregulators sold on the site, three compounds studied in relation to hepatic, digestive, and related organ-tissue research.

"Clean Slate" Bioregulator Hepatic/Digestive
Sale
From$210.00
$199.99-5%

"Clear the Fog" Neuro Core

Peptide Bundles

Semax and Selank are the two most-referenced neuropeptides in this category, studied through separate mechanisms, neurotrophic factor (BDNF) research for Semax, GABAergic and anxiolytic-related signaling research for Selank, which is why they are treated as the standard starting pairing for neuropeptide research protocols.

"Clear the Fog" Neuro Core
Sale
From$120.00
$113.99-5%

"Fuel the Fire" Metabolic Support

Peptide Bundles

Metabolic Support widens the incretin-receptor research covered by Retatrutide with two peptides from different metabolic angles entirely, AOD-9604 for lipid metabolism and MOTS-c for mitochondrial and AMPK-pathway research, so researchers can examine metabolic regulation from three separate mechanistic entry points.

"Fuel the Fire" Metabolic Support
Sale
From$235.00
$222.99-5%

"Glow Getter" Skin & Cosmetic

Peptide Bundles

Skin & Cosmetic combines three compounds studied through separate dermal-relevant mechanisms, collagen synthesis with GHK-Cu, oxidative-stress defense with Glutathione, and SNARE-complex-related neurotransmitter research with SNAP-8, covering structural, antioxidant, and neuromuscular research angles applicable to dermal-tissue models.

"Glow Getter" Skin & Cosmetic
Sale
From$180.00
$170.99-5%

"Grow Into It" GH Secretagogue

Peptide Bundles

CJC-1295 and Ipamorelin are the two peptides most commonly requested together in growth hormone axis research, since they act through separate receptor systems that converge on the same downstream secretion pathway. This kit pairs both at 5mg each so researchers running GH-axis protocols do not need to source them from two separate listings.

"Grow Into It" GH Secretagogue
Sale
From$130.00
$123.99-5%

"Heal From Within" Gut & Mucosal Panel

Peptide Bundles

The Gut & Mucosal Panel narrows in on gastrointestinal and epithelial-barrier research specifically, pairing BPC-157 with KPV, the two peptides most frequently referenced together in gut-tissue literature, and adding Thymosin Alpha-1 for the immune-modulation angle that mucosal-tissue studies typically also involve.

"Heal From Within" Gut & Mucosal Panel
Sale
From$220.00
$208.99-5%

"Heart of the Matter" Bioregulator Cardiovascular

Peptide Bundles

Cardiogen and Vesugen make up the complete Cardiovascular panel among the short peptide bioregulators sold on the site, Cardiogen studied with a closer research association to cardiac tissue, Vesugen to vascular tissue specifically.

"Heart of the Matter" Bioregulator Cardiovascular
Sale
From$140.00
$132.99-5%

"Inner Armor" Bioregulator Immune/Thymic

Peptide Bundles

Thymalin, Vilon, and Crystagen make up the complete Immune/Thymic panel among the short peptide bioregulators sold on the site, three compounds studied in relation to thymus-associated and broader immune-tissue research.

"Inner Armor" Bioregulator Immune/Thymic
Sale
From$210.00
$199.99-5%

"Mend & Defend" Advanced Repair & Immune

Peptide Bundles

Advanced Repair & Immune takes the Repair Trio concept and raises the strengths while adding two peptides from a different research angle entirely: KPV for anti-inflammatory melanocortin signaling, and LL-37 for innate immune and antimicrobial peptide research. Where the Repair Trio focuses purely on structural tissue repair, this kit pairs that with the inflammatory and immune side of the same healing process.

"Mend & Defend" Advanced Repair & Immune
Sale
From$305.00
$289.99-5%

"Next Level Growth" Extended GH / IGF

Peptide Bundles

Extended GH / IGF builds on the classic GHRH-plus-ghrelin secretagogue pairing by swapping in the DAC-modified form of CJC-1295 for longer receptor engagement, then adds IGF-1 LR3 to represent the downstream signaling step that growth hormone release ultimately triggers.

"Next Level Growth" Extended GH / IGF
Sale
From$240.00
$227.99-5%

"Old School Knowledge" Classic Secretagogue

Peptide Bundles

Sermorelin and GHRP-2 were the original GHRH-plus-ghrelin secretagogue pairing before CJC-1295 and Ipamorelin became the more commonly referenced combination, and both compounds still turn up regularly in comparative growth hormone secretagogue research.

"Old School Knowledge" Classic Secretagogue
Sale
From$115.00
$108.99-5%

"Reignite the Spark" Reproductive / HPG-Axis

Peptide Bundles

Gonadorelin and Kisspeptin-10 act at two sequential points in the hypothalamic-pituitary-gonadal axis, Kisspeptin-10 upstream at the KISS1 receptor, Gonadorelin directly at the GnRH receptor itself, which is why they are studied together far more often than either is studied alone.

"Reignite the Spark" Reproductive / HPG-Axis
Sale
From$140.00
$132.99-5%

"Renewed Vitality" Bioregulator Urogenital

Peptide Bundles

Prostamax, Testagen, and Vesilute make up the complete Urogenital panel among the short peptide bioregulators sold on the site, the one system not represented in the Bioregulator Core Panel, each studied with a distinct organ-level association within the urogenital system.

"Renewed Vitality" Bioregulator Urogenital
Sale
From$210.00
$199.99-5%

"Reset & Reclaim" Incretin + Amylin

Peptide Bundles

Retatrutide and Cagrilintide act on two entirely separate receptor families, incretin and glucagon receptors versus the amylin receptor, which is exactly why they are studied together rather than treated as interchangeable metabolic-research compounds.

"Reset & Reclaim" Incretin + Amylin
Sale
From$180.00
$170.99-5%

"Rest Easy" Recovery, Sleep & Stress

Peptide Bundles

Recovery, Sleep & Stress bundles three neuropeptides that each address a separate piece of the same broader research area, sleep regulation with DSIP, inhibitory GABAergic signaling with Selank, and social/stress-related neuroendocrine signaling with Oxytocin.

"Rest Easy" Recovery, Sleep & Stress
Sale
From$175.00
$165.99-5%

"Rhythm Restored" Bioregulator Neuro/Pineal

Peptide Bundles

Pinealon and Cortagen make up the complete Neuro/Pineal panel among the short peptide bioregulators sold on the site, both studied in relation to central-nervous-system tissue, Pinealon with closer ties to pineal-gland research, Cortagen more closely associated with cerebral cortex research.

"Rhythm Restored" Bioregulator Neuro/Pineal
Sale
From$140.00
$132.99-5%

"Shape Shift" Body-Composition

Peptide Bundles

Body-Composition pairs two growth hormone axis peptides, Tesamorelin and Ipamorelin, with AOD-9604, a growth hormone fragment studied specifically for lipid-metabolism research independent of the classical GH growth pathway. Together they represent both the hormonal and the metabolic sides of body-composition research.

"Shape Shift" Body-Composition
Sale
From$250.00
$237.99-5%

"Sharper Than Ever" Advanced Nootropic

Peptide Bundles

Advanced Nootropic extends the Neuro Core pairing by switching to the acetylated forms of Semax and Selank for extended-stability research, then adds Dihexa and P-21 to bring HGF/c-Met and NGF-related neurotrophic signaling into the same four-peptide research panel.

"Sharper Than Ever" Advanced Nootropic
Sale
From$440.00
$417.99-5%

"Shielded & Strong" Vascular, Immune & Protection

Peptide Bundles

This kit pairs VIP, a neuropeptide studied for VPAC receptor signaling in neuroimmune research, with ARA-290, an erythropoietin-derived peptide studied for tissue-protective innate repair receptor signaling, and Thymosin Alpha-1, studied for immune-cell modulation, three distinct protective-signaling systems in one panel.

"Shielded & Strong" Vascular, Immune & Protection
Sale
From$260.00
$246.99-5%

"Spark & Shine" Melanocortin & Reproductive

Peptide Bundles

Melanotan-II and PT-141 both act on melanocortin receptors, while Kisspeptin-10 acts upstream in the reproductive axis these receptors intersect with, which is why the three are studied together in melanocortin and reproductive-signaling research rather than as isolated compounds.

"Spark & Shine" Melanocortin & Reproductive
Sale
From$205.00
$194.99-5%

Research Peptides By Category

Every category below links to the filtered catalog view.

Cognitive & Nootropic

This category includes Semax and Selank, peptides studied in neurological and cognitive-function research models. They are frequently referenced in research exploring neuropeptide signaling and cognitive performance pathways.

Browse Cognitive & Nootropic

Cosmetic & Skin

Copper peptide compounds such as GHK-Cu are the focus of this category, studied in dermal research contexts including collagen signaling and skin-repair research models.

Browse Cosmetic & Skin

GLP-1 & Metabolic

This category covers GLP-1 and multi-receptor agonist compounds studied in metabolic research, including retatrutide and semaglutide analogs. These peptides are commonly used in laboratory research on energy metabolism, glucose regulation, and appetite-signaling pathways.

Browse GLP-1 & Metabolic

Growth Hormone Secretagogue

GHRH analogs and growth hormone-releasing peptides such as CJC-1295, Ipamorelin, and Tesamorelin fall under this category. These compounds are studied for their role in the growth hormone axis and related body-composition research.

Browse Growth Hormone Secretagogue

Healing & Recovery

Compounds in this category, including BPC-157 and TB-500, are widely used in tissue-repair and recovery research models. Researchers studying wound-healing pathways and soft-tissue recovery mechanisms frequently start here.

Browse Healing & Recovery

Longevity & Anti-Aging

Bioregulator peptides such as Epitalon fall in this category, studied in cellular-aging and longevity research contexts, including research into telomere biology and circadian regulation.

Browse Longevity & Anti-Aging

Nasal Sprays

This category groups research peptides formulated for intranasal delivery, offering laboratories an alternative administration route for peptide research protocols.

Browse Nasal Sprays

Peptide Bundles

Pre-configured multi-compound sets for researchers running comparative or combination studies, bundling complementary research peptides together.

Browse Peptide Bundles

Sexual & Hormonal

This category includes PT-141 (Bremelanotide), a melanocortin receptor agonist studied in research related to hormonal and sexual-response signaling pathways.

Browse Sexual & Hormonal

Why Researchers Buy From 99 Purity Peptides

Verified Purity

Every compound is independently tested to ≥99% purity via HPLC/MS before it's listed for sale.

Lot-Specific COAs

Each batch carries its own Certificate of Analysis, not a generic specification sheet.

US-Based Supplier

Shipped domestically from our US facility, with no customs delays or import uncertainty.

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(faqs)

Research Peptide FAQ

01

Are all 99PurityPeptides products tested for purity and quality?

Every research peptide undergoes rigorous third-party analytical testing before release. Our quality control process includes High-Performance Liquid Chromatography (HPLC) to verify purity percentages, Mass Spectrometry (MS) to confirm molecular weight and sequence accuracy, and peptide content analysis to ensure accurate concentration. Each product batch receives an individual Certificate of Analysis (COA) documenting test results, storage recommendations, and lot-specific data. This analytical verification ensures you receive research-grade materials meeting published specifications for your laboratory investigations.
02

What purity levels are standard for research peptides?

99PurityPeptides specializes in high-purity research compounds with most products achieving 95-99%+ purity as determined by HPLC analysis. Standard catalog peptides typically meet ≥95% purity suitable for most research applications. Premium-grade options offer ≥98% purity for experiments requiring exceptional quality, and custom synthesis can target >99% purity for highly sensitive analytical work. Product pages clearly indicate tested purity levels, and COAs provide exact percentage for your specific lot. Higher purity reduces experimental variables caused by impurities or synthesis by-products.
03

How do I interpret the Certificate of Analysis (COA)?

Certificates of Analysis include several key data points for research validation. The HPLC chromatogram shows the purity peak representing your target peptide versus any impurities; the percentage represents the area under the curve for your compound. Mass Spectrometry data confirms the molecular weight matches the theoretical weight calculated from the amino acid sequence. Peptide content indicates the actual peptide mass as a percentage of total powder weight (remainder being counterions and moisture). Storage conditions specify temperature requirements for maintaining stability. For assistance interpreting COA data, contact our technical team.
04

What does "Research Use Only" mean for these products?

"Research Use Only" (RUO) designation means these peptides are manufactured and sold exclusively for laboratory investigation by qualified researchers in controlled settings. These products are not intended for, and must not be used for: human consumption or administration, medical treatment or diagnosis, veterinary applications, food or cosmetic production, or any purpose outside legitimate scientific research. Researchers must handle RUO materials according to institutional biosafety protocols, maintain appropriate documentation, and ensure compliance with their organization's research guidelines. This designation protects both researchers and suppliers under current regulatory frameworks.
05

Can peptides be damaged during shipping or storage?

Research peptides are relatively stable when properly packaged and stored, but can degrade under adverse conditions. Our shipping protocols use temperature-controlled packaging with cold packs or dry ice to maintain product integrity during transit. Upon receipt, immediately transfer peptides to appropriate storage (-20°C for lyophilized products). Exposure to heat, humidity, or repeated temperature fluctuations accelerates degradation. If you suspect shipping damage (compromised packaging, warm products, visible moisture), do not use the material—contact us immediately for replacement. Proper storage and handling maintains peptide quality throughout its usable lifetime.
06

Can I use these peptides for any purpose outside research?

No. 99PurityPeptides products are manufactured, labeled, and sold exclusively for in vitro laboratory research applications. Using these compounds for human consumption, athletic performance, bodybuilding, medical treatment, or any non-research purpose violates regulatory guidelines, our terms of sale, and potentially federal and state laws. We monitor purchases for compliance and reserve the right to refuse orders that appear intended for inappropriate use. Researchers must certify that products will be used only for legitimate scientific investigation in controlled laboratory environments under appropriate oversight.