# Regena Peptides

> EU-based scientific reference database for research peptides. HPLC purity-verified compounds with batch Certificates of Analysis (COA), documented for laboratory professionals. Based in Marbella, Costa del Sol, Spain. For research use only — not for human consumption.

## About
- Site: https://www.regena-peptides.com
- Region: Marbella, Málaga, Costa del Sol, Andalucía (Spain) — serving Europe, UK, USA, worldwide
- Compliance: Research-use-only. Not medical advice. 18+ only.
- Contact: info@regena-peptides.com

## Core pages
- [Home](https://www.regena-peptides.com/): Reference database overview
- [Peptides catalog](https://www.regena-peptides.com/peptides): All documented research compounds
- [Certificates of Analysis](https://www.regena-peptides.com/coa): HPLC purity reports by batch
- [Research consultations](https://www.regena-peptides.com/consultations): Research-handling guidance
- [Calculator](https://www.regena-peptides.com/calculator): Reconstitution / vial math
- [Quiz](https://www.regena-peptides.com/quiz): Compound-selection helper for study design
- [About](https://www.regena-peptides.com/about): Lab background and standards
- [Contact](https://www.regena-peptides.com/contact): WhatsApp / Telegram / email
- [FAQ](https://www.regena-peptides.com/faq)
- [Blog](https://www.regena-peptides.com/blog): Research articles and compound education

## Research hub
- [Research compounds overview](https://www.regena-peptides.com/research/research-compounds-overview)
- [Laboratory peptides guide](https://www.regena-peptides.com/research/laboratory-peptides-guide)
- [Compound storage guide](https://www.regena-peptides.com/research/compound-storage-guide)
- [Research compound basics](https://www.regena-peptides.com/research/research-compound-basics)
- [BPC-157](https://www.regena-peptides.com/research/bpc-157)
- [GHK-Cu](https://www.regena-peptides.com/research/ghk-cu)
- [Glossary](https://www.regena-peptides.com/research/glossary)
- [Biohacking articles](https://www.regena-peptides.com/research/biohacking-articles)

## Compound pages
- [Semaglutide](https://www.regena-peptides.com/peptides/semaglutide)
- [Tirzepatide](https://www.regena-peptides.com/peptides/tirzepatide)
- [Retatrutide](https://www.regena-peptides.com/peptides/retatrutide)
- [Liraglutide](https://www.regena-peptides.com/peptides/liraglutide)
- [Cagrilintide](https://www.regena-peptides.com/peptides/cagrilintide)
- [Survodutide](https://www.regena-peptides.com/peptides/survodutide)
- [Ipamorelin](https://www.regena-peptides.com/peptides/ipamorelin)
- [CJC-1295 (no DAC)](https://www.regena-peptides.com/peptides/cjc-1295-no-dac)
- [CJC-1295 with DAC](https://www.regena-peptides.com/peptides/cjc-1295-with-dac)
- [Sermorelin](https://www.regena-peptides.com/peptides/sermorelin)
- [Tesamorelin](https://www.regena-peptides.com/peptides/tesamorelin)
- [Hexarelin](https://www.regena-peptides.com/peptides/hexarelin)
- [MK-677](https://www.regena-peptides.com/peptides/mk-677)
- [BPC-157](https://www.regena-peptides.com/peptides/bpc-157)
- [TB-500](https://www.regena-peptides.com/peptides/tb-500)
- [GHK-Cu](https://www.regena-peptides.com/peptides/ghk-cu)
- [GHK-Cu (Peptide)](https://www.regena-peptides.com/peptides/ghk-cu-peptide)
- [KPV](https://www.regena-peptides.com/peptides/kpv)
- [LL-37](https://www.regena-peptides.com/peptides/ll-37)
- [Semax](https://www.regena-peptides.com/peptides/semax)
- [Selank](https://www.regena-peptides.com/peptides/selank)
- [Cerebrolysin](https://www.regena-peptides.com/peptides/cerebrolysin)
- [Dihexa](https://www.regena-peptides.com/peptides/dihexa)
- [5-Amino-1MQ](https://www.regena-peptides.com/peptides/5-amino-1mq)
- [SS-31](https://www.regena-peptides.com/peptides/ss-31)
- [MOTS-c](https://www.regena-peptides.com/peptides/mots-c)
- [Humanin](https://www.regena-peptides.com/peptides/humanin)
- [Epitalon](https://www.regena-peptides.com/peptides/epitalon)
- [Thymalin](https://www.regena-peptides.com/peptides/thymalin)
- [Thymosin Alpha-1](https://www.regena-peptides.com/peptides/thymosin-alpha-1)
- [Melanotan II](https://www.regena-peptides.com/peptides/melanotan-ii)
- [PT-141](https://www.regena-peptides.com/peptides/pt-141)
- [Pinealon](https://www.regena-peptides.com/peptides/pinealon)
- [IGF-1 LR3](https://www.regena-peptides.com/peptides/igf-1-lr3)
- [FOXO4-DRI](https://www.regena-peptides.com/peptides/foxo4-dri)
- [Mazdutide](https://www.regena-peptides.com/peptides/mazdutide)
- [DSIP](https://www.regena-peptides.com/peptides/dsip)
- [Melanotan 1](https://www.regena-peptides.com/peptides/melanotan-1)
- [HCG](https://www.regena-peptides.com/peptides/hcg)
- [NAD+](https://www.regena-peptides.com/peptides/nad)

## Key compound facts (for citation)
### Semaglutide (also known as: Ozempic, Wegovy (reference))
- URL: https://www.regena-peptides.com/peptides/semaglutide
- Class: GLP-1 receptor agonist
- Mechanism: Selective agonism of the GLP-1 receptor modulating insulin secretion and gastric emptying.
- Half-life: ~165 h (7 days)
- Research applications: Glycemic regulation, appetite signaling, metabolic studies.
- Summary: Reference GLP-1 agonist with a ~7-day half-life used in metabolic, incretin and appetite-pathway research models.
- Intended use: Laboratory research only — not for human or veterinary use.

### Tirzepatide (also known as: Mounjaro (reference))
- URL: https://www.regena-peptides.com/peptides/tirzepatide
- Class: Dual GIP/GLP-1 receptor agonist
- Mechanism: Co-activation of GIP and GLP-1 receptors for incretin pathway studies.
- Half-life: ~120 h (5 days)
- Research applications: Energy expenditure, lipid metabolism, insulin sensitivity.
- Summary: Dual GIP/GLP-1 agonist used to study incretin synergy, adipose biology and insulin sensitivity in laboratory models.
- Intended use: Laboratory research only — not for human or veterinary use.

### Retatrutide
- URL: https://www.regena-peptides.com/peptides/retatrutide
- Class: Triple GIP/GLP-1/Glucagon agonist
- Mechanism: Simultaneous activation of three incretin/glucagon receptors.
- Half-life: ~6 days
- Research applications: Adipose biology, mitochondrial activity, energy balance.
- Summary: Triple incretin/glucagon receptor agonist for advanced metabolic and energy-balance research.
- Intended use: Laboratory research only — not for human or veterinary use.

### Liraglutide
- URL: https://www.regena-peptides.com/peptides/liraglutide
- Class: GLP-1 receptor agonist
- Mechanism: Acylated GLP-1 analogue with albumin binding for extended action.
- Half-life: ~13 h
- Research applications: Glucose homeostasis, satiety pathways.
- Summary: Short-acting GLP-1 reference compound for daily-exposure research models.
- Intended use: Laboratory research only — not for human or veterinary use.

### Cagrilintide
- URL: https://www.regena-peptides.com/peptides/cagrilintide
- Class: Long-acting amylin analogue
- Mechanism: Activates amylin/calcitonin receptors.
- Half-life: ~7 days
- Research applications: Combination incretin studies, food intake models.
- Summary: Long-acting amylin analogue for combination incretin research.
- Intended use: Laboratory research only — not for human or veterinary use.

### Survodutide
- URL: https://www.regena-peptides.com/peptides/survodutide
- Class: Glucagon/GLP-1 dual agonist
- Mechanism: Balanced glucagon and GLP-1 receptor activation.
- Half-life: ~5 days
- Research applications: Hepatic lipid models, energy expenditure.
- Summary: Dual GCG/GLP-1 agonist used in hepatic and energy expenditure research.
- Intended use: Laboratory research only — not for human or veterinary use.

### Ipamorelin
- URL: https://www.regena-peptides.com/peptides/ipamorelin
- Class: Selective GH secretagogue (ghrelin mimetic)
- Mechanism: Selective GHS-R1a agonist driving pulsatile GH release without cortisol/prolactin elevation.
- Half-life: ~2 h
- Research applications: Somatotropic axis, recovery and sleep architecture studies.
- Summary: Selective GH secretagogue used in clean somatotropic axis research.
- Intended use: Laboratory research only — not for human or veterinary use.

### CJC-1295 (no DAC) (also known as: Mod GRF (1-29))
- URL: https://www.regena-peptides.com/peptides/cjc-1295-no-dac
- Class: GHRH analogue
- Mechanism: Stimulates anterior pituitary GHRH receptors for short GH pulses.
- Half-life: ~30 min
- Research applications: Endogenous GH release, paired with ghrelin mimetics.
- Summary: Short-acting GHRH analogue for pulsatile growth hormone release research.
- Intended use: Laboratory research only — not for human or veterinary use.

### CJC-1295 with DAC
- URL: https://www.regena-peptides.com/peptides/cjc-1295-with-dac
- Class: Long-acting GHRH analogue
- Mechanism: Drug Affinity Complex binds albumin for sustained GHRH signaling.
- Half-life: ~6–8 days
- Research applications: Sustained IGF-1 elevation models.
- Summary: Long-acting GHRH analogue for sustained IGF-1 research models.
- Intended use: Laboratory research only — not for human or veterinary use.

### Sermorelin
- URL: https://www.regena-peptides.com/peptides/sermorelin
- Class: GHRH (1-29) analogue
- Mechanism: Native GHRH fragment stimulating pituitary GH release.
- Half-life: ~10–20 min
- Research applications: Baseline somatotropic studies.
- Summary: Native GHRH(1-29) fragment, baseline reference in GH research.
- Intended use: Laboratory research only — not for human or veterinary use.

### Tesamorelin
- URL: https://www.regena-peptides.com/peptides/tesamorelin
- Class: Stabilized GHRH analogue
- Mechanism: Trans-3-hexenoic acid N-terminal modification for proteolytic resistance.
- Half-life: ~25–40 min
- Research applications: Visceral adipose tissue, lipid profile studies.
- Summary: Stabilised GHRH analogue, prominent in visceral fat research models.
- Intended use: Laboratory research only — not for human or veterinary use.

### Hexarelin
- URL: https://www.regena-peptides.com/peptides/hexarelin
- Class: GH secretagogue
- Mechanism: Potent ghrelin receptor agonist with cardiac receptor activity.
- Half-life: ~55 min
- Research applications: Cardiac stress models, GH pulse studies.
- Summary: Potent GH secretagogue with cardiac receptor activity.
- Intended use: Laboratory research only — not for human or veterinary use.

### MK-677 (also known as: Ibutamoren)
- URL: https://www.regena-peptides.com/peptides/mk-677
- Class: Oral ghrelin mimetic (non-peptide)
- Mechanism: Orally bioavailable GHS-R agonist.
- Half-life: ~24 h
- Research applications: Long-duration GH/IGF-1 elevation studies.
- Summary: Oral ghrelin mimetic for long-duration GH/IGF-1 research.
- Intended use: Laboratory research only — not for human or veterinary use.

### BPC-157
- URL: https://www.regena-peptides.com/peptides/bpc-157
- Class: Synthetic pentadecapeptide (gastric origin)
- Mechanism: Modulates nitric oxide and VEGF pathways supporting angiogenesis.
- Half-life: ~30–60 min (systemic)
- Research applications: Tendon, ligament and gut repair models.
- Summary: Pentadecapeptide widely studied in tendon, ligament and gut repair models.
- Intended use: Laboratory research only — not for human or veterinary use.

### TB-500 (also known as: Thymosin Beta-4 fragment)
- URL: https://www.regena-peptides.com/peptides/tb-500
- Class: Actin-sequestering peptide
- Mechanism: Promotes cell migration, angiogenesis and actin remodeling.
- Half-life: ~2–3 h
- Research applications: Soft tissue repair, fibroblast migration studies.
- Summary: Thymosin Beta-4 fragment studied in soft tissue repair and migration assays.
- Intended use: Laboratory research only — not for human or veterinary use.

### GHK-Cu
- URL: https://www.regena-peptides.com/peptides/ghk-cu
- Class: Copper-binding tripeptide
- Mechanism: Copper chaperone modulating ECM and antioxidant gene expression.
- Half-life: Short (minutes systemic)
- Research applications: Skin remodeling, hair follicle biology, wound studies.
- Summary: Copper-binding tripeptide widely studied in skin and hair biology.
- Intended use: Laboratory research only — not for human or veterinary use.

### GHK-Cu (Peptide)
- URL: https://www.regena-peptides.com/peptides/ghk-cu-peptide
- Class: Copper-binding tripeptide — injectable research peptide
- Mechanism: Copper chaperone modulating ECM, antioxidant gene expression and dermal/soft-tissue remodelling.
- Half-life: Short (minutes systemic)
- Research applications: Skin remodelling, hair follicle biology, wound and soft-tissue repair studies.
- Summary: Injectable research-grade GHK-Cu kit (10 vials) for subcutaneous research models.
- Intended use: Laboratory research only — not for human or veterinary use.

### KPV
- URL: https://www.regena-peptides.com/peptides/kpv
- Class: α-MSH C-terminal tripeptide
- Mechanism: Anti-inflammatory action via melanocortin pathway.
- Half-life: Short
- Research applications: Mucosal and inflammatory bowel models.
- Summary: α-MSH tripeptide fragment studied in mucosal inflammation models.
- Intended use: Laboratory research only — not for human or veterinary use.

### LL-37
- URL: https://www.regena-peptides.com/peptides/ll-37
- Class: Cathelicidin antimicrobial peptide
- Mechanism: Disrupts microbial membranes; modulates innate immunity.
- Half-life: Short
- Research applications: Antimicrobial and biofilm research.
- Summary: Human cathelicidin used in antimicrobial and immunity research.
- Intended use: Laboratory research only — not for human or veterinary use.

### Semax
- URL: https://www.regena-peptides.com/peptides/semax
- Class: ACTH(4-10) analogue (heptapeptide)
- Mechanism: Modulates BDNF and dopamine/serotonin signaling.
- Half-life: Short (intranasal)
- Research applications: Neuroprotection and cognitive performance studies.
- Summary: ACTH(4-10) analogue used in BDNF and cognitive performance research.
- Intended use: Laboratory research only — not for human or veterinary use.

### Selank
- URL: https://www.regena-peptides.com/peptides/selank
- Class: Tuftsin analogue
- Mechanism: Modulates GABAergic tone and enkephalin metabolism.
- Half-life: Short
- Research applications: Anxiolytic and cognitive resilience models.
- Summary: Tuftsin analogue used in anxiolytic and resilience research models.
- Intended use: Laboratory research only — not for human or veterinary use.

### Cerebrolysin
- URL: https://www.regena-peptides.com/peptides/cerebrolysin
- Class: Neurotrophic peptide mixture
- Mechanism: Mimics endogenous neurotrophic factor action.
- Half-life: Variable
- Research applications: Neurodegeneration and stroke recovery models.
- Summary: Neurotrophic peptide mixture for neurodegeneration research.
- Intended use: Laboratory research only — not for human or veterinary use.

### Dihexa
- URL: https://www.regena-peptides.com/peptides/dihexa
- Class: Angiotensin IV analogue
- Mechanism: Hepatocyte growth factor / c-Met augmentation.
- Half-life: Several hours
- Research applications: Synaptogenesis studies.
- Summary: Angiotensin IV analogue studied in synaptogenesis research.
- Intended use: Laboratory research only — not for human or veterinary use.

### 5-Amino-1MQ
- URL: https://www.regena-peptides.com/peptides/5-amino-1mq
- Class: NNMT inhibitor (small molecule)
- Mechanism: Inhibits nicotinamide N-methyltransferase, raising NAD+ pools.
- Half-life: ~hours
- Research applications: Adipocyte metabolism studies.
- Summary: NNMT inhibitor used in NAD+/adipocyte research models.
- Intended use: Laboratory research only — not for human or veterinary use.

### SS-31 (also known as: Elamipretide)
- URL: https://www.regena-peptides.com/peptides/ss-31
- Class: Mitochondria-targeted tetrapeptide
- Mechanism: Binds cardiolipin to stabilize inner mitochondrial membrane.
- Half-life: ~2 h
- Research applications: Mitochondrial dysfunction models.
- Summary: Mitochondria-targeted tetrapeptide for cardiolipin/ETC research.
- Intended use: Laboratory research only — not for human or veterinary use.

## Quality & sourcing facts
- Purity standard: HPLC ≥99%, verified by independent third-party labs
- Batch documentation: Every batch ships with a Certificate of Analysis (COA) including HPLC and mass spectrometry results
- Manufacturing: cGMP-aligned peptide synthesis with documented chain of custody
- Cold-chain shipping from Marbella, Spain to EU (5–14 days), UK, USA, Middle East, Asia, Australia
- Payment: SEPA bank transfer (default), card-payment link on request
- Compliance: Research-use-only, 18+ only, not medical advice


## Local landing pages (sample)
- [Buy peptides in Marbella, Spain](https://www.regena-peptides.com/buy-peptides/marbella)
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## Service areas (Spain / Andalucía)
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## Recent articles
- [BPC-157 vs TB-500: A Comparative Research Guide](https://www.regena-peptides.com/blog/bpc157-vs-tb500-comparative-research-guide)
- [Peptide Reconstitution: A Laboratory Reconstitution Guide](https://www.regena-peptides.com/blog/peptide-reconstitution-guide-bacteriostatic-water)
- [HPLC ≥99% Purity: What the Number Actually Means](https://www.regena-peptides.com/blog/hplc-purity-standard-99-percent-explained)
- [GHK-Cu: The Copper Peptide in Cosmetic and Skin-Repair Research](https://www.regena-peptides.com/blog/ghk-cu-copper-peptide-cosmetic-research)
- [Cold-Chain Storage for Research Peptides: A Practical Bench Guide](https://www.regena-peptides.com/blog/peptide-storage-cold-chain-laboratory-guide)
- [GLP-1 Receptor Agonists: A Mechanistic Overview for Researchers](https://www.regena-peptides.com/blog/glp1-receptor-agonists-mechanism-overview)
- [BPC-157 in Tissue-Repair Research: What the Literature Shows](https://www.regena-peptides.com/blog/bpc-157-tissue-repair-research)
- [Ipamorelin and CJC-1295: Growth Hormone Secretagogue Research](https://www.regena-peptides.com/blog/ipamorelin-cjc-1295-growth-hormone-research)
- [Retatrutide: Triple-Agonist Peptide in Metabolic Research](https://www.regena-peptides.com/blog/retatrutide-triple-agonist-research-context)
- [The Peptide Research Scene on the Costa del Sol](https://www.regena-peptides.com/blog/peptide-research-marbella-costa-del-sol)
- [TB-500 and Thymosin Beta-4: Migration and Repair Research](https://www.regena-peptides.com/blog/tb-500-thymosin-beta-4-research-overview)
- [GHK-Cu: The Copper Peptide in Cosmetic and Skin-Biology Research](https://www.regena-peptides.com/blog/ghk-cu-copper-peptide-cosmetic-research)
- [Selank and Semax: Heptapeptides in Cognitive Research](https://www.regena-peptides.com/blog/selank-semax-cognitive-research-peptides)
- [Epitalon: The Pineal Peptide in Longevity Research](https://www.regena-peptides.com/blog/epitalon-pineal-peptide-longevity-research)
- [Peptide Reconstitution and Storage: A Laboratory Reference](https://www.regena-peptides.com/blog/peptide-reconstitution-storage-laboratory-guide)
- [Research Peptide Supply in London and the UK Research Ecosystem](https://www.regena-peptides.com/blog/research-peptides-london-uk-supply)
- [Melanotan II: A Research Reference for Melanocortin Signalling](https://www.regena-peptides.com/blog/melanotan-ii-pigmentation-research)
- [Semaglutide vs Tirzepatide: A Research-Grade Comparison](https://www.regena-peptides.com/blog/semaglutide-vs-tirzepatide-research-comparison)
- [MOTS-c: The Mitochondrial-Derived Peptide in Metabolic and Longevity Research](https://www.regena-peptides.com/blog/mots-c-mitochondrial-derived-peptide-research)
- [SS-31 (Elamipretide): Cardiolipin-Targeting Peptide in Mitochondrial Research](https://www.regena-peptides.com/blog/ss-31-elamipretide-mitochondrial-peptide-research)

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