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Next Gen Peptides
– USA-Based · Third-Party Verified · Compounds in Stock –
Premium Research Peptides — Purity You Can Prove
Shop research-grade peptides including Semaglutide, Tirzepatide, Retatrutide, BPC-157, NAD+, and more. Every batch independently verified by HPLC for 99%+ purity. Certificates of Analysis available on every product.
Independent testing
Third-party verified
Every batch tested by an independent laboratory before it ships. COAs publicly available.
Domestic operations
USA-based storage
All peptides stored and tested domestically for integrity, compliance, and fast fulfilment.
Speed of delivery
Same-day · Free
Orders placed before 12 PM ship same day. All orders ship free in 24 hours.
Quality standard
99%+ purity, HPLC-certified
Every compound meets 99%+ purity by HPLC analysis. No compromise on compound identity.
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Research compounds in stock
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Lowest price — BAC water from $10
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Minimum HPLC purity guarantee
50
Party tested, every single batch
Best-selling Peptides
Complete Peptide Catalog
Every compound available in multiple dosage sizes for research flexibility. All prices are per vial.
AOD9604
5mg · 10mg
From $101 — HGH fragment
BAC Water
3mg · 5mg · 10mg
From $10 — reconstitution supply
BPC-157
5mg · BPC+TB 10mg · BPC+TB 20mg
From $48 — recovery peptide
Cagrilintide
5mg · 10mg · +Sema blend
From $117 — amylin analogue
CJC-1295 with DAC
2mg · 5mg · 10mg
From $72 — sustained GH release
CJC-1295 without DAC
2mg · 5mg · 10mg · +IPA blend
From $41 — pulsatile GH release
HGH Fragment
10mg · 15mg · 20mg · 30mg · 40mg
From $49 — GH fragment
GHK-Cu
50mg · 100mg
From $33 — copper tripeptide
Glow+ & Klow
Glow+ 70mg · Klow 80mg
From $227 — proprietary blends
KPV
10mg
$69 — anti-inflammatory
Lipo-C
10mL
$80 — lipotropic compound
Melanotan 1 & 2
MT-1 10mg · MT-2 10mg
From $62 — tanning peptides
MOTS-c
20mg · 30mg · 40mg
From $122 — mitochondrial peptide
NAD+
100mg · 500mg · 1000mg
From $45 — cellular energy
PT-141
10mg
$65 — melanocortin agonist
Retatrutide
5mg · 10mg · 15mg · 20mg · 30mg · 40mg · 50mg · 60mg
From $91 — triple agonist
Semaglutide
5mg · 15mg · 20mg · 30mg · 40mg · 50mg · 60mg
From $42 — GLP-1 agonist
Sermorelin
5mg · 10mg
From $70 — GHRH analogue
Tesamorelin
5mg
$112 — GH-releasing factor
Tirzepatide
5mg · 10mg · 15mg · 20mg · 30mg · 40mg · 50mg · 60mg
From $49 — dual GIP/GLP-1
What are Research Peptides?
Peptides are short chains of amino acids, the same building blocks that form proteins, which function as biological signaling molecules in the body. Research peptides are synthetic analogs of these naturally occurring compounds, manufactured under controlled laboratory conditions for investigational use.
Over the past ten years, peptide research has grown significantly. Compounds that were once confined to academic studies—like GLP-1 receptor agonists, growth hormone secretagogues, and body protection compounds—are now commonly used as reference standards and research tools in areas such as metabolic biology, tissue repair, and longevity science.
At NextGen Peptides Shop, every compound we offer meets research-grade specifications and undergoes independent third-party testing via HPLC to verify purity and identity. All products are exclusively for in vitro and research applications; we do not supply pharmaceutical-grade medications.
Our catalog spans the full range of modern peptide research categories: GLP-1 and dual/triple metabolic agonists (Semaglutide, Tirzepatide, Retatrutide), growth hormone secretagogues (CJC-1295, Sermorelin, Tesamorelin), body protection and recovery compounds (BPC-157, TB-500), cellular energy and longevity peptides (NAD+, MOTS-c, GHK-Cu), and tanning and skin biology peptides (Melanotan I & II, PT-141).
Over the past ten years, peptide research has grown significantly. Compounds that were once confined to academic studies—like GLP-1 receptor agonists, growth hormone secretagogues, and body protection compounds—are now commonly used as reference standards and research tools in areas such as metabolic biology, tissue repair, and longevity science.
At NextGen Peptides Shop, every compound we offer meets research-grade specifications and undergoes independent third-party testing via HPLC to verify purity and identity. All products are exclusively for in vitro and research applications; we do not supply pharmaceutical-grade medications.
Our catalog spans the full range of modern peptide research categories: GLP-1 and dual/triple metabolic agonists (Semaglutide, Tirzepatide, Retatrutide), growth hormone secretagogues (CJC-1295, Sermorelin, Tesamorelin), body protection and recovery compounds (BPC-157, TB-500), cellular energy and longevity peptides (NAD+, MOTS-c, GHK-Cu), and tanning and skin biology peptides (Melanotan I & II, PT-141).
Our quality Assurance Process
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Synthesis and sourcingAll peptides are synthesized to cGMP-aligned standards by verified manufacturers. Every production run is traceable, documented, and reproducible — we do not source from unverified channels.
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Independent third-party HPLC testingBefore a batch is listed for sale, it is sent to an independent, accredited laboratory for HPLC analysis. This confirms both purity (99%+) and compound identity with quantitative precision — not just our word.
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Certificate of Analysis (COA) issuedA full COA is issued per batch, made available directly from each product page. Researchers can verify the exact purity percentage and testing date before completing a purchase.
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USA-based cold storage and fulfilmentPeptides are stored domestically in temperature-controlled conditions. Orders ship same-day (before 12 PM) and free on all orders — ensuring your research compounds arrive in optimal condition.
All products on this website are sold strictly for research purposes only. They are not intended, approved, or suitable for human consumption, self-administration, veterinary use, or therapeutic application. By purchasing, buyers acknowledge compliance with all applicable federal and state regulations.
Research Peptides – compound by compound
Detailed reference guides for each major compound category. For educational purposes only — none of this constitutes medical advice.
BPC-157 — body protection compound
From $48
BPC-157 (Body Protection Compound 157) is a pentadecapeptide derived from a protein naturally present in gastric juice. Extensively studied in animal models, it demonstrates significant potential for enhancing soft tissue healing, tendon repair, muscle regeneration, and angiogenesis. Research indicates that BPC-157 may interact with the nitric oxide system and various growth factor pathways to accelerate the repair of damaged tissue, establishing it as one of the most prominent compounds in recovery and musculoskeletal research.
Available as BPC-157 5mg ($48), and in combination with TB-500 as BPC-157+TB 10mg ($117) and BPC-157+TB 20mg ($196). The combination blend pairs two complementary recovery peptides frequently studied together for synergistic tissue repair effects.
Available as BPC-157 5mg ($48), and in combination with TB-500 as BPC-157+TB 10mg ($117) and BPC-157+TB 20mg ($196). The combination blend pairs two complementary recovery peptides frequently studied together for synergistic tissue repair effects.
CJC-1295 — growth hormone secretagogue
From $41
CJC-1295 is a synthetic analogue of growth hormone-releasing hormone (GHRH) that stimulates the pituitary gland to produce and release growth hormone. We offer two formulations: CJC-1295 with DAC (Drug Affinity Complex), which significantly extends the peptide’s half-life through albumin binding, and CJC-1295 without DAC (Modified GRF 1-29), which delivers a shorter, more pulsatile release pattern that mimics natural growth hormone secretion rhythms.
CJC-1295 With DAC: 2mg ($72), 5mg ($172), 10mg ($218). Without DAC: 2mg ($41), 5mg ($95), 10mg ($185). We also carry a pre-formulated CJC-1295 Without DAC 5mg + Ipamorelin 10mg blend ($115) for GH-axis research.
CJC-1295 With DAC: 2mg ($72), 5mg ($172), 10mg ($218). Without DAC: 2mg ($41), 5mg ($95), 10mg ($185). We also carry a pre-formulated CJC-1295 Without DAC 5mg + Ipamorelin 10mg blend ($115) for GH-axis research.
GHK-Cu — copper tripeptide complex
From $33
GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring copper peptide with a robust research history in skin biology, wound healing, and anti-aging science. It is recognized for its ability to stimulate collagen and elastin production, promote new blood vessel formation, reduce inflammation, and activate stem cell activity in dermal fibroblasts. Notably, GHK-Cu is one of the few peptides with documented effects on gene expression, specifically influencing genes linked to tissue remodeling and antioxidant defense.
Available as GHK-Cu 50mg ($33) and 100mg ($59). One of the most cost-accessible compounds in our catalog for high-volume skin and cellular biology research. Excellent for combination protocols with NAD+ or MOTS-c.
Available as GHK-Cu 50mg ($33) and 100mg ($59). One of the most cost-accessible compounds in our catalog for high-volume skin and cellular biology research. Excellent for combination protocols with NAD+ or MOTS-c.
MOTS-c — mitochondrial peptide
From $122
MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) is a recently discovered peptide encoded within mitochondrial DNA. It has garnered significant research attention for its pivotal role in metabolic regulation, insulin sensitivity, physical performance, and cellular stress response. By activating the AMPK pathway, MOTS-c is being extensively studied in the contexts of metabolic homeostasis, exercise biology, and healthy aging.
Available in 20mg ($122), 30mg ($180), and 40mg ($225). Frequently studied alongside NAD+ in longevity and metabolic research panels due to their complementary mitochondrial mechanisms. MOTS-c’s unique mitochondrial origin makes it a standout compound in aging biology.
Available in 20mg ($122), 30mg ($180), and 40mg ($225). Frequently studied alongside NAD+ in longevity and metabolic research panels due to their complementary mitochondrial mechanisms. MOTS-c’s unique mitochondrial origin makes it a standout compound in aging biology.
NAD+ — nicotinamide adenine dinucleotide
From $45
NAD+ is a critical coenzyme present in all living cells, central to cellular energy metabolism, DNA repair, and regulation of circadian rhythms. NAD+ levels naturally decline with age, making it a key subject in longevity and health span research. Studies have examined its role in mitochondrial function, SIRT1/SIRT3 activation, and neuroprotection — making it foundational to any anti-aging or cellular biology research panel.
Available in three sizes: NAD+ 100mg ($45), 500mg ($90), and 1000mg ($169). Frequently studied alongside MOTS-c and GHK-Cu for comprehensive cellular health and longevity research. The 1000mg variant is ideal for longitudinal or high-dose protocols.
Available in three sizes: NAD+ 100mg ($45), 500mg ($90), and 1000mg ($169). Frequently studied alongside MOTS-c and GHK-Cu for comprehensive cellular health and longevity research. The 1000mg variant is ideal for longitudinal or high-dose protocols.
Retatrutide — triple agonist peptide
From $91
Retatrutide is among the most advanced metabolic research peptides currently available. It acts simultaneously on three receptors: GLP-1, GIP, and glucagon (GCGR). The addition of glucagon receptor activity distinguishes it from both Semaglutide and Tirzepatide, theoretically increasing energy expenditure alongside appetite suppression. This triple mechanism has positioned Retatrutide at the forefront of next-generation metabolic research, with studies investigating its effects on adiposity, hepatic fat, and body weight regulation.
We stock 9 size variants from 5mg ($91) to 60mg ($321) — the widest dosage range of any compound in our catalog — to support both exploratory and large-scale research protocols.
We stock 9 size variants from 5mg ($91) to 60mg ($321) — the widest dosage range of any compound in our catalog — to support both exploratory and large-scale research protocols.
Semaglutide — GLP-1 receptor agonist
From $42
Semaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist structurally related to human GLP-1. In research, it is one of the most studied metabolic peptides of the past decade, investigated primarily in the context of energy intake regulation, glycaemic control, and body composition. Its mechanism involves binding to GLP-1 receptors in the pancreas, hypothalamus, and gastrointestinal tract to modulate appetite signalling and insulin secretion pathways.
We stock Semaglutide in seven dosage sizes — 5mg, 15mg, 20mg, 30mg, 40mg, 50mg, and 60mg — starting at $42 for 5mg. We also carry a Cagrilintide + Semaglutide peptide blend (5mg, $167) for researchers studying dual-pathway metabolic mechanisms. All variants are HPLC-verified at 99%+ purity with COAs available.
We stock Semaglutide in seven dosage sizes — 5mg, 15mg, 20mg, 30mg, 40mg, 50mg, and 60mg — starting at $42 for 5mg. We also carry a Cagrilintide + Semaglutide peptide blend (5mg, $167) for researchers studying dual-pathway metabolic mechanisms. All variants are HPLC-verified at 99%+ purity with COAs available.
Tirzepatide — dual GIP/GLP-1 agonist
From $49
Tirzepatide represents the next generation of metabolic research peptides. Unlike semaglutide’s single-target GLP-1 mechanism, Tirzepatide acts as a dual agonist for both glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 receptors. This dual-receptor engagement has made it among the most intensely studied compounds in obesity and metabolic syndrome research, with a growing body of investigation into its differential effects on adipose tissue, energy expenditure, and insulin sensitivity versus GLP-1-only agonists.
Available in 8 dosage variants from 5mg ($49) to 60mg ($232). All batches are third-party tested and ship with COA documentation. Researchers requiring large-scale protocols benefit from our full bulk range.
Available in 8 dosage variants from 5mg ($49) to 60mg ($232). All batches are third-party tested and ship with COA documentation. Researchers requiring large-scale protocols benefit from our full bulk range.
Peptide Blends & Combination Products
Several compounds are available as pre-measured blends, combining two or more peptides commonly studied in combination. These reduce preparation time and ensure consistent dosing ratios across research protocols.
BPC-157 + TB-500 10mg
Recovery stack. $117. Body protection compound plus thymosin beta-4 for synergistic healing research.
BPC-157 + TB-500 20mg
Higher-dose recovery blend. $196. Double the compound for larger-scale or long-duration protocols.
Cagrilintide + Semaglutide
Dual metabolic pathway blend. $167. 5mg of each for amylin + GLP-1 dual mechanism research.
CJC-1295 + Ipamorelin
GH secretagogue stack. $115. GHRH analogue plus GHRP for combined GH axis stimulation research.
Glow+ 70mg
Proprietary skin blend. $227. Formulated for skin biology and cellular rejuvenation research protocols.
Klow 80mg
Proprietary blend. $240. Advanced formulation for cellular health and longevity research applications.
The NextGen Peptides difference
Independently verified, every single batch
We do not self-certify. Every compound listed for sale is tested by an independent, accredited third-party laboratory. Results are not averaged across formulations — each individual batch receives its own HPLC analysis and COA. You can access COA documentation directly from any product page before placing an order, with full traceability to the specific lot number you receive.
73 compounds from one trusted source
From entry-level reconstitution supplies like BAC water ($10) to advanced triple-agonist compounds like Retatrutide 60mg ($321), our catalog covers the full spectrum of modern peptide research. Whether sourcing a single reference compound or stocking an entire research panel, you’ll find everything in one place — with consistent quality standards applied uniformly across all 73 SKUs, no exceptions.
Transparent pricing with full dosage flexibility
Every major compound is available in multiple dosage sizes, letting researchers order exactly what their protocol requires without waste. Semaglutide from $42 (5mg) to $118 (60mg). Tirzepatide from $49 (5mg) to $232 (60mg). Retatrutide from $91 (5mg) to $321 (60mg). CJC-1295 from $41 (2mg without DAC) to $218 (10mg with DAC). Scale your order to your exact research needs.
Frequently asked questions
Everything researchers need to know before ordering — from purity verification and COA access to storage, shipping, and compound comparisons.
Are your peptides for human use?
All products sold by NextGen Peptides Shop are strictly for in vitro research and laboratory use only. They are not intended, approved, or suitable for human consumption, self-administration, veterinary use, or therapeutic application. All purchases are made under this express condition. Researchers are responsible for ensuring compliance with applicable local, state, and federal laws and regulations governing research compounds.
Do you provide Certificates of Analysis (COAs) for all products?
Yes. Every batch of every product is independently tested by a third-party laboratory and issued a Certificate of Analysis. COAs are available directly from each product page on our website, allowing you to verify compound identity, purity percentage, and testing date before ordering. We never share COAs between batches — each lot number has its own documentation.
What is your shipping policy and how fast will my order arrive?
Orders placed before 12 PM ship the same business day. All orders qualify for complimentary free shipping. All orders ship from the USA. We use discreet, temperature-appropriate packaging to ensure compound integrity during transit. Tracking is provided on all orders. International shipping availability may vary — contact us for details.
Do you offer a discount code?
Yes. We run two ongoing discount programs. First-time buyers can apply the code 1NXGPS at checkout to save 10% on their entire first order — no minimum order value applies. Additionally, any customer who pays using cryptocurrency (Bitcoin, Ethereum, USDT, Litecoin, etc.) automatically receives a 15% discount that is applied at checkout without requiring a code. These discounts are also compatible with our regular sale pricing, so you can save significantly on already-discounted items.
What purity standard do your peptides meet?
All compounds are tested by HPLC (High-Performance Liquid Chromatography) and must meet a minimum 99% purity standard before they are listed for sale. HPLC is the gold standard method for peptide purity analysis, providing quantitative assessment of the target compound versus impurities and degradation products. The exact purity figure for each batch is documented in the COA.
What is the difference between Semaglutide, Tirzepatide, and Retatrutide?
These three compounds represent successive generations of metabolic peptide research. Semaglutide is a GLP-1 receptor agonist — it binds to a single receptor involved in appetite and insulin regulation. Tirzepatide is a dual GIP/GLP-1 agonist, adding activation of the glucose-dependent insulinotropic polypeptide receptor, which research suggests provides additive metabolic effects. Retatrutide is a triple agonist that adds glucagon receptor (GCGR) activation on top of the GLP-1 and GIP mechanisms, theoretically increasing energy expenditure alongside appetite modulation. All three are available in multiple dosage sizes on our site.
What is the difference between CJC-1295 with DAC and without DAC?
DAC stands for Drug Affinity Complex — a chemical modification that dramatically extends the half-life of CJC-1295 from minutes to several days by binding to albumin in the bloodstream. CJC-1295 with DAC produces a sustained, continuous elevation of growth hormone-releasing hormone activity. CJC-1295 without DAC (also called Modified GRF 1-29) produces a shorter, pulsatile GH release profile that more closely mimics the body’s natural GH secretion rhythm. Researchers study these separately or in combination with GHRPs like Ipamorelin to investigate different GH secretion patterns.
Do you carry reconstitution supplies?
Yes. We stock BAC Water (Bacteriostatic Water) in 3mg ($10), 5mg ($11), and 10mg ($11) sizes. Bacteriostatic water is the standard diluent for reconstituting lyophilised research peptides, as the 0.9% benzyl alcohol content inhibits microbial growth and extends the usability of the reconstituted solution for research purposes.
How should research peptides be stored?
Lyophilised (freeze-dried) peptides should be stored in a cool, dry place away from light — typically a refrigerator (2–8°C) for short-term storage, or a freezer (-20°C) for longer-term storage. Once reconstituted with BAC water, peptides should be kept refrigerated and used within a reasonable research window as specified by your protocol. Avoid repeated freeze-thaw cycles for reconstituted solutions.