# Zeptix Labs

> Zeptix Labs sells research peptides to qualified researchers and laboratories in the United States. Every batch is third-party tested to 99%+ purity, with a certificate of analysis (COA) published for each lot. Many products are buy 1 get 1 free.

All products are for laboratory research use only. They are not for human or veterinary use, and they are not drugs, foods, cosmetics, dietary supplements or medical products. Support is at support@zeptixlabs.com.

## Key facts

- BOGO: sizes marked BOGO are buy 1 get 1 free. The BOGO code is applied automatically at the cart. Orders of 10 or more vials get an extra 10% off. Current BOGO products: https://zeptixlabs.com/bogo/
- Shipping: $12 flat rate, free on orders of $200 or more after discounts. Orders placed before 6 PM ET (3 PM PT) on a business day ship the same day, in protective cases, with tracking by email. Ships to all 50 U.S. states.
- Returns: unopened returns requested within 30 days are refunded. Any damaged or lost parcel is reshipped for free. Orders can be cancelled and refunded before they ship.
- Quality: independent third-party testing on every batch, with each lot's certificate of analysis (HPLC purity) in the COA library: https://zeptixlabs.com/certificates-coas/
- Company: Zeptix Labs LLC, 7901 4th St N STE 300, St. Petersburg, FL 33702, United States.

## Shop

- [All products](https://zeptixlabs.com/shop/): the full catalogue with prices
- [BOGO deals](https://zeptixlabs.com/bogo/): buy 1 get 1 free on GLP-3 R (Retatrutide), KLOW, Tesamorelin, GHK-Cu, GLP-2 T (Tirzepatide), NAD+, Selank, BPC-157, GLP-1 S (Semaglutide), MOTS-c, GLOW, MT-2 (Melanotan 2)

## Products

- [BAC Water](https://zeptixlabs.com/product/bac-water/): 3ml: $9.99; 10ml: $19.99
- [GLP-3 R (Retatrutide)](https://zeptixlabs.com/product/glp-3-r/): 10mg: $89.99 for 2 vials (buy 1 get 1 free, $44.99 per vial); 20mg: $139.99 for 2 vials (buy 1 get 1 free, $69.99 per vial); 30mg: $169.99 for 2 vials (buy 1 get 1 free, $84.99 per vial)
- [KLOW](https://zeptixlabs.com/product/klow/): 80mg: $139.99 for 2 vials (buy 1 get 1 free, $69.99 per vial)
- [Tesamorelin](https://zeptixlabs.com/product/tesamorelin/): 10mg: $99.99 for 2 vials (buy 1 get 1 free, $49.99 per vial)
- [GHK-Cu](https://zeptixlabs.com/product/ghk-cu/): 50mg: $39.99 for 2 vials (buy 1 get 1 free, $19.99 per vial); 100mg: $59.99 for 2 vials (buy 1 get 1 free, $29.99 per vial)
- [GLP-2 T (Tirzepatide)](https://zeptixlabs.com/product/glp-2-t/): 10mg: $79.99 for 2 vials (buy 1 get 1 free, $39.99 per vial); 30mg: $110.00
- [NAD+](https://zeptixlabs.com/product/nad/): 500mg: $79.99 for 2 vials (buy 1 get 1 free, $39.99 per vial)
- [Selank](https://zeptixlabs.com/product/selank/): 10mg: $59.99 for 2 vials (buy 1 get 1 free, $29.99 per vial)
- [BPC-157](https://zeptixlabs.com/product/bpc-157/): 10mg: $59.99 for 2 vials (buy 1 get 1 free, $29.99 per vial)
- [GLP-1 S (Semaglutide)](https://zeptixlabs.com/product/glp-1-s/): 5mg: $39.99 for 2 vials (buy 1 get 1 free, $19.99 per vial); 10mg: $59.99 for 2 vials (buy 1 get 1 free, $29.99 per vial)
- [MOTS-c](https://zeptixlabs.com/product/mots-c/): 10mg: $59.99 for 2 vials (buy 1 get 1 free, $29.99 per vial)
- [GLOW](https://zeptixlabs.com/product/glow/): 70mg: $129.99 for 2 vials (buy 1 get 1 free, $64.99 per vial)
- [MT-2 (Melanotan 2)](https://zeptixlabs.com/product/mt-2/): 10mg: $49.99 for 2 vials (buy 1 get 1 free, $24.99 per vial)
- [CJC-1295 no DAC + Ipamorelin Blend](https://zeptixlabs.com/product/cjc-1295-no-dac-ipamorelin-blend/): 5/5mg: $80.00
- [TB-500 (Thymosin Beta-4)](https://zeptixlabs.com/product/tb-500-thymosin-beta-4/): 10mg: $95.00
- [BPC-157 + TB-500 Blend](https://zeptixlabs.com/product/bpc-157-tb-500-blend/): 10/10mg: $99.99
- [Epithalon](https://zeptixlabs.com/product/epithalon/): 10mg: $29.99, sold out
- [PT-141](https://zeptixlabs.com/product/pt-141/): 10mg: $44.99
- [Ipamorelin](https://zeptixlabs.com/product/ipamorelin/): 5mg: $29.99, sold out
- [Sermorelin](https://zeptixlabs.com/product/sermorelin/): 5mg: $34.99, sold out
- [Cagrilintide](https://zeptixlabs.com/product/cagrilintide/): 5mg: $49.99, sold out

## Quality

- [COA library](https://zeptixlabs.com/certificates-coas/): certificates of analysis for each product and batch
- [About Zeptix Labs](https://zeptixlabs.com/about/)

## Research articles

- [BPC-157 Benefits](https://zeptixlabs.com/articles/bpc-157-benefits/): A research-use overview of BPC-157 findings in experimental models. Not a treatment guide. Zeptix Labs supplies BPC-157 for laboratory use only.
- [BPC-157 vs TB-500 in Research](https://zeptixlabs.com/articles/bpc-157-vs-tb-500/): Compare BPC-157 and TB-500 as laboratory research peptides: origins, typical models, and when Zeptix Labs single SKUs or blends fit a protocol.
- [CJC-1295 no DAC and Ipamorelin](https://zeptixlabs.com/articles/cjc-1295-and-ipamorelin/): How CJC-1295 no DAC and ipamorelin are used together in GH-axis research, and when to order the Zeptix Labs blend versus single SKUs.
- [CJC-1295 Benefits](https://zeptixlabs.com/articles/cjc-1295-benefits/): Laboratory overview of CJC-1295 research findings. Zeptix Labs lists a CJC-1295 no DAC + Ipamorelin blend for research use only.
- [CJC-1295 DAC vs. No DAC: What’s the Difference?](https://zeptixlabs.com/articles/cjc-1295-dac-vs-no-dac/): The laboratory difference between CJC-1295 with DAC and without DAC. Zeptix Labs lists a no-DAC + Ipamorelin research blend.
- [CJC-1295 Side Effects & Safety](https://zeptixlabs.com/articles/cjc-1295-side-effects-safety/): Laboratory safety context for CJC-1295 research. Not a human-use monograph. Zeptix Labs materials are research use only.
- [GHK-Cu Benefits](https://zeptixlabs.com/articles/ghk-cu-benefits/): Experimental findings discussed for GHK-Cu in laboratory models. Sold by Zeptix Labs for research use only. This is not a cosmetic claim.
- [How Does BPC-157 Work?](https://zeptixlabs.com/articles/how-bpc-157-is-studied/): How laboratory teams study BPC-157: proposed pathways, experimental models, and why research-use material is not a protocol for human use.
- [How Does CJC-1295 Work?](https://zeptixlabs.com/articles/how-does-cjc-1295-work/): Mechanism context for CJC-1295 in GHRH-axis research. Zeptix Labs offers a no-DAC + Ipamorelin blend for laboratory use only.
- [How Does GHK-Cu Work?](https://zeptixlabs.com/articles/how-does-ghk-cu-work/): How GHK-Cu is described in laboratory mechanism work. Research-use copper peptide from Zeptix Labs.
- [How Does Ipamorelin Work?](https://zeptixlabs.com/articles/how-does-ipamorelin-work/): Mechanism context for ipamorelin as a ghrelin-receptor research peptide. Zeptix Labs, research use only.
- [How Does MOTS-c Work?](https://zeptixlabs.com/articles/how-does-mots-c-work/): How MOTS-c is described in metabolic and mitochondrial-signaling research. Zeptix Labs, research use only.
- [How Does TB-500 Work?](https://zeptixlabs.com/articles/how-does-tb-500-work/): How TB-500 is discussed in research models involving thymosin beta-4 and actin regulation. For qualified laboratory use only.
- [How Does Tesamorelin Work?](https://zeptixlabs.com/articles/how-tesamorelin-works/): Laboratory mechanism context for tesamorelin: GHRH receptor activation, GH-axis signaling, and why research vials are not clinical instructions.
- [How to Read a Peptide Certificate of Analysis](https://zeptixlabs.com/articles/how-to-read-a-peptide-coa/): A practical guide to peptide Certificates of Analysis: purity, method, laboratory, and lot fields. Review the Zeptix Labs COA library for research compounds.
- [Ipamorelin Benefits](https://zeptixlabs.com/articles/ipamorelin-benefits/): Laboratory context for ipamorelin research findings. Research use only from Zeptix Labs.
- [MOTS-c Benefits](https://zeptixlabs.com/articles/mots-c-benefits/): Experimental findings discussed for MOTS-c. Research use only. Not a metabolic treatment.
- [Peptide Storage for Laboratory Research](https://zeptixlabs.com/articles/peptide-storage-for-laboratory-research/): Laboratory guidance on storing lyophilized research peptides, limiting moisture and light, and using bacteriostatic water as a research reagent.
- [TB-500 Benefits](https://zeptixlabs.com/articles/tb-500-benefits/): Laboratory context for TB-500 and thymosin beta-4 research findings. Research use only from Zeptix Labs.
- [Tesamorelin Benefits](https://zeptixlabs.com/articles/tesamorelin-benefits/): Research-model context for tesamorelin as a GHRH analog. Zeptix Labs material is for laboratory use only, not a substitute for a prescription product.
- [What Are Research Peptides?](https://zeptixlabs.com/articles/what-are-research-peptides/): Learn what research peptides are, how they are used in laboratory models, and how Zeptix Labs documents identity and purity for qualified research only.
- [What Is Bacteriostatic Water?](https://zeptixlabs.com/articles/what-is-bacteriostatic-water/): Bacteriostatic water (BAC water) as a research reagent: what it is, how it differs from sterile water, and Zeptix Labs RUO listing.
- [What Is BPC-157?](https://zeptixlabs.com/articles/what-is-bpc-157/): Original overview of BPC-157 as a research peptide: sequence context, laboratory models, and Zeptix Labs RUO sourcing with batch documentation.
- [What Is GHK-Cu?](https://zeptixlabs.com/articles/what-is-ghk-cu/): Overview of GHK-Cu as a laboratory copper peptide: structure, matrix-signaling research, and Zeptix Labs research-use-only sourcing.
- [What Is GLOW?](https://zeptixlabs.com/articles/what-is-glow/): GLOW is a research-use blend of GHK-Cu, BPC-157, and TB-500. Learn what the mixture is for in the lab and how it differs from single-compound vials.
- [What Is GLP-1 S?](https://zeptixlabs.com/articles/what-is-glp-1-s/): GLP-1 S for laboratory incretin and GLP-1 receptor research. RUO positioning and how it differs from other Zeptix GLP catalog items.
- [What Is GLP-2 T?](https://zeptixlabs.com/articles/what-is-glp-2-t/): GLP-2 T overview for laboratory research: incretin-family context, barrier-function models, and Zeptix Labs RUO supply.
- [What Is GLP-3 R (Reta)?](https://zeptixlabs.com/articles/what-is-glp-3-r/): GLP-3 R (Reta) explained as a laboratory incretin-family research compound. RUO context, related GLP SKUs, and Zeptix Labs documentation.
- [What Is Ipamorelin?](https://zeptixlabs.com/articles/what-is-ipamorelin/): Ipamorelin as a laboratory ghrelin-receptor research peptide. How it differs from GHRH analogs and the Zeptix CJC-1295 blend.
- [What Is KLOW?](https://zeptixlabs.com/articles/what-is-klow/): KLOW combines KPV, GHK-Cu, BPC-157, and TB-500 for laboratory research. See how it differs from GLOW and from single-compound Zeptix SKUs.
- [What Is Melanotan-2?](https://zeptixlabs.com/articles/what-is-melanotan-2/): MT-2 (Melanotan 2) explained for laboratory research: melanocortin receptors, pigmentation-pathway models, and Zeptix Labs RUO sourcing.
- [What Is MOTS-c?](https://zeptixlabs.com/articles/what-is-mots-c/): MOTS-c overview for laboratory research: mitochondrial origin, metabolic signaling context, and Zeptix Labs research-use-only supply.
- [What Is TB-500?](https://zeptixlabs.com/articles/what-is-tb-500/): Learn what TB-500 is in a laboratory context, how it relates to thymosin beta-4, and how Zeptix Labs supplies it for research use only.
- [What Is Tesamorelin?](https://zeptixlabs.com/articles/what-is-tesamorelin/): Tesamorelin explained as a research GHRH analog: pituitary signaling context, how it differs from research-grade vials, and Zeptix Labs RUO supply.
- [Semaglutide vs Tirzepatide vs Retatrutide in Research](https://zeptixlabs.com/articles/semaglutide-vs-tirzepatide-vs-retatrutide/): How semaglutide, tirzepatide and retatrutide differ for laboratory research: GLP-1, GIP and glucagon receptor activity, structure, molar mass and study design.
- [KLOW vs GLOW: What KPV Changes](https://zeptixlabs.com/articles/klow-vs-glow/): KLOW vs GLOW: both blend GHK-Cu, BPC-157 and TB-500 for laboratory research, and KLOW adds KPV. What that changes for study design, controls and COAs.
- [How to Reconstitute Lyophilized Peptides](https://zeptixlabs.com/articles/how-to-reconstitute-peptides/): How to reconstitute lyophilized research peptides: choosing a diluent, adding it without foaming, working out the concentration, storing the solution and recording the lot.
- [Tesamorelin vs Ipamorelin: Two Routes to GH Release](https://zeptixlabs.com/articles/tesamorelin-vs-ipamorelin/): Tesamorelin vs ipamorelin for laboratory research: a GHRH analog and a ghrelin receptor agonist, how their structure and signaling differ, and how studies pair them.
- [TB-500 vs Thymosin Beta-4: Full Peptide or Fragment?](https://zeptixlabs.com/articles/tb-500-vs-thymosin-beta-4/): TB-500 vs thymosin beta-4: the 43-amino-acid protein, its LKKTETQ actin-binding region and the Ac-SDKP fragment, and how to tell which one a paper or a COA describes.

## Calculators

- [Peptide calculator](https://zeptixlabs.com/peptide-calculator/): reconstitution maths for laboratory work
- [BPC-157 Dosage Calculator](https://zeptixlabs.com/peptide-calculator/bpc-157-dosage-calculator/)
- [BPC-157 + TB-500 Blend Dosage Calculator](https://zeptixlabs.com/peptide-calculator/bpc-157-tb-500-blend-dosage-calculator/)
- [CJC-1295 no DAC + Ipamorelin Dosage Calculator](https://zeptixlabs.com/peptide-calculator/cjc-1295-no-dac-ipamorelin-dosage-calculator/)
- [GHK-Cu Dosage Calculator](https://zeptixlabs.com/peptide-calculator/ghk-cu-dosage-calculator/)
- [GLOW Dosage Calculator](https://zeptixlabs.com/peptide-calculator/glow-dosage-calculator/)
- [GLP-1 S Dosage Calculator](https://zeptixlabs.com/peptide-calculator/glp-1-s-dosage-calculator/)
- [GLP-2 T Dosage Calculator](https://zeptixlabs.com/peptide-calculator/glp-2-t-dosage-calculator/)
- [GLP-3 R (Reta) Dosage Calculator](https://zeptixlabs.com/peptide-calculator/glp-3-r-dosage-calculator/)
- [Ipamorelin Dosage Calculator](https://zeptixlabs.com/peptide-calculator/ipamorelin-dosage-calculator/)
- [KLOW Dosage Calculator](https://zeptixlabs.com/peptide-calculator/klow-dosage-calculator/)
- [Melanotan-2 Dosage Calculator](https://zeptixlabs.com/peptide-calculator/melanotan-2-dosage-calculator/)
- [MOTS-c Dosage Calculator](https://zeptixlabs.com/peptide-calculator/mots-c-dosage-calculator/)
- [TB-500 Dosage Calculator](https://zeptixlabs.com/peptide-calculator/tb-500-dosage-calculator/)
- [Tesamorelin Dosage Calculator](https://zeptixlabs.com/peptide-calculator/tesamorelin-dosage-calculator/)

## Policies

- [Shipping policy](https://zeptixlabs.com/shipping-policy/)
- [Refund and return policy](https://zeptixlabs.com/refund-policy/)
- [Research use disclaimer](https://zeptixlabs.com/research-use-disclaimer/)
- [Disclaimers](https://zeptixlabs.com/disclaimers/)
- [Privacy policy](https://zeptixlabs.com/privacy-policy/)
- [Terms of service](https://zeptixlabs.com/terms-of-service/)
- [Contact](https://zeptixlabs.com/contact/)

## Optional

- [Full text for AI agents](https://zeptixlabs.com/llms-full.txt): every product with sizes, prices, COA purity and research links, plus policies and FAQ
- [Sitemap](https://zeptixlabs.com/sitemap.xml): every indexable page