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99.8% — exceeds 99.00% minimum spec
- Batch
- SRM-202604-001
- Test date
- April 30, 2026
- Method
- HPLC + MS
- Lab
-
Bioviridian
College Station, TX
Description
Sermorelin
THIS IS NOT FOR HUMAN CONSUMPTION. SOLD FOR RESEARCH ONLY!
Sermorelin peptide​ Details
Sermorelin is a synthetic 29-amino-acid peptide representing the biologically active fragment of endogenous growth hormone-releasing hormone (GHRH 1–29), retaining full potency at the GHRH receptor while being easier to synthesize than the complete 44-amino-acid native hormone. Because it stimulates the pituitary gland to release the body's own growth hormone through a physiological, receptor-mediated pathway — rather than introducing GH directly — Sermorelin has been the subject of extensive research into GH-axis restoration, particularly in the context of age-related decline in pituitary GHRH sensitivity. It previously held FDA approval (marketed as Geref) for diagnostic testing of GH deficiency and as a treatment for pediatric growth-hormone deficiency, providing a substantial base of human pharmacokinetic and safety data that continues to inform current research into pulsatile GH secretion, sleep-related GH release, and recovery physiology.
Sermorelin peptide​ Scientific Research
Sermorelin is used in non-clinical research to investigate GHRH-driven signaling and its relationship to broader endocrine and tissue-response pathways. Because GH release is tightly regulated through feedback mechanisms, GHRH analogs are often studied to better understand how endogenous regulation behaves under controlled stimulation conditions.
Common research themes include:
- Pituitary signaling and hormone dynamics: Sermorelin is used to probe how GHRH receptor activation influences GH secretion in experimental systems, supporting studies of pulsatile signaling and feedback-regulated endocrine output.
- Tissue response and remodeling models: Some research frameworks explore how GH-axis signaling correlates with tissue repair markers, extracellular matrix activity, or vascular-related endpoints in controlled models (research context only; no outcomes implied).
- Neuroendocrine signaling intersections: GHRH-axis signaling is sometimes studied alongside neurochemical pathways linked to sleep–wake regulation in model organisms, supporting exploratory research into hormone–neurotransmitter relationships.
- CNS excitability research (exploratory): Certain experimental designs investigate whether GHRH analog signaling intersects with inhibitory neurotransmission pathways in seizure-model research, using standardized non-clinical endpoints.
Compliance note: Published materials may describe clinical outcomes or therapeutic framing. PeakLab Peptides does not market sermorelin for diagnosis, treatment, prevention, or any physiological outcome. Sermorelin is supplied strictly for laboratory research use only.
Article Titles & Journals
- Mechanisms of synergism between antagonists of growth hormone-releasing hormone and antago
- Combining growth hormone-releasing hormone antagonist with luteinizing hormone-releasing h
- Effects of a growth hormone-releasing hormone antagonist on telomerase activity, oxidative
- Effects of [norleucine27]growth hormone-releasing hormone (GHRH) (1-29)-NH2 administration
- Endocrine and metabolic effects of long-term administration of [Nle27]growth hormone-relea
Fast, reliable shipping
We offer fast, reliable shipping through UPS and USPS.
Shipping Options
UPS shipping options include:
- Next Day Air
- 2nd Day Air
- 3 Day Select
- UPS Ground
Order Processing
- We ship Monday through Saturday.
- Orders placed before 6:00 PM EST / 3:00 PM PST are typically shipped the same day.
- Orders placed after the daily cutoff or on holidays will be processed on the next available shipping day.
Puerto Rico, Hawaii & Alaska
- Orders shipping to these destinations are sent via USPS unless alternative arrangements have been made in advance.
- Need a different shipping method? Contact us before placing your order so we can discuss available options.
Order Tracking
- Once your order has shipped, you'll receive a shipping confirmation email with tracking information so you can monitor your delivery.
- Orders totaling $200 or more qualify for FREE UPS 2nd Day Air shipping within the continental United States.
- Free 2nd Day Air shipping does not apply to orders shipping to Puerto Rico, Hawaii, or Alaska.
Handled correctly, stability holds
All peptides are supplied as sterile, lyophilized powder and are stable when handled correctly.
Store vials in a cool, dry place away from heat and direct sunlight.
For optimal longevity, keep lyophilized peptides refrigerated to help maintain integrity.
Use an appropriate research diluent (for example, BAC water). Store the reconstituted solution in the refrigerator and use within 20–30 days for best stability.
Minimize exposure to moisture and repeated freeze–thaw cycles. Follow your institution's safety procedures when handling research materials.
Frequently Asked Questions
PRODUCT & PURITY
This product is offered for laboratory and research use only. It is not intended for human consumption, medical use, therapeutic use, or veterinary use.
Yes, all of our products are sterile and sealed with a sterility plug and safety cap.
Our products undergo quality control internally at our lab and then 3rd party tested at Bioviridian (at their Texas facility) prior to shipment. All of our COA's are then posted on our site immediately upon receipt.
99% or higher. Period. The expected purity is listed on the individual product page or Certificate of Analysis, when available.
No. We are a manufacturing company and because these products are sold for research purposes only, we do not provide dosing, administration, or medical-use guidance.
Unless specifically stated otherwise, these products are not approved by the U.S. Food and Drug Administration for therapeutic or diagnostic use.
STORAGE & STABILITY
As a lyophilized powder, peptides are stable. Delays in shipments up to 7 days will have zero to minimal impact on efficacy of peptides. Most precautionary efforts must be made to maintain temperature consistency once reconstituted.
Store the product according to the storage recommendations provided on the label or accompanying documentation in your shipment. Proper storage helps maintain product integrity during its shelf life. Most peptides have an expiration date of 2 years if kept unreconstituted (lyophilized powder).
SHIPPING
Shipping times vary based on your location and the shipping method selected at checkout. We offer shipping options between 1 and 5 days.
No.
Once your order is processed, you will receive a shipping confirmation email with tracking information.
ORDERS
Each order includes the peptide vial as described on the product page above.
We accept all forms of credit cards and Zelle.
If your order has not yet been processed for shipment, we may be able to make changes. Please contact customer support as soon as possible after placing your order.
If your order arrives damaged or incorrect, contact our customer support team promptly at support@peaklabpeptides.com with your order number and photos of the package and product so we can assist you.
For the safety of our researchers and integrity of our products we can not accept returns whatsoever.
SUPPORT
If you have questions about your order or a product, please reach out through our customer support page or contact us at support@peaklabpeptides.com or call/text 605-524-2800.
Purity you can verify
TESTED
VERIFICATION
Peak Lab Peptides maintains quality-control processes and routinely performs third-party testing to support purity and identity verification. COAs are available upon request for applicable batches. Documentation may vary depending on production timelines.
AVAILABILITY
We aim to make batch-level documentation available whenever possible. Our goal is to expand COA access across the full catalog as production capacity grows.
All products are for laboratory research use only and are not intended for human consumption.
Related Products
CJC-1295 No DAC + Ipamorelin – 5mg + 5mg (10mg total)
CJC-1295 No DAC + Ipamorelin
Product Details:
Peptides: CJC-1295 No DAC + Ipamorelin Purity: >98% Form: Lyophilized powder Quantity: 10mg total per vial (typically 5mg of each peptide unless otherwise specified) Storage: Store lyophilized powder at -20°C. Once reconstituted, refrigerate (2–8°C) and use within 30 days. Research Grade: For laboratory research purposes only. Not for human use, therapeutic, or diagnostic applications. Research Applications May Include: Synergistic stimulation of natural GH release Studies on recovery, lean mass, and anti-aging Exploration of GH/GHRH/GHRP axis functionality
IGF-1 LR3
IGF-1 LR3 Peptide
IGF-1 LR3 Peptide (Long Arg3 Insulin-Like Growth Factor-1) – 1mg (Lyophilized Peptide) – For Research Use Only
IGF-1 LR3 is a synthetic analog of human Insulin-Like Growth Factor-1 (IGF-1), modified to extend its half-life in vitro through substitution of arginine at position 3 and removal of the first three amino acids of the native IGF-1 sequence. These modifications increase resistance to IGF-1 binding proteins, enhancing stability and prolonged activity in controlled research environments. Research has explored its role in cellular growth signaling, differentiation pathways, and IGF-1 receptor interaction mechanisms in laboratory models.
Product Details:
- Peptide: IGF-1 LR3 (Long Arg3 Insulin-Like Growth Factor-1)
- Sequence: 83 amino acids
- Purity: ≥99% (HPLC verified)
- Form: Lyophilized powder
- Quantity: 1mg per vial
- Storage: Store lyophilized peptide at -4°F (-20°C). Once reconstituted, refrigerate at 36–46°F (2–8°C) and use within 30 days.
- Grade: For laboratory research use only. Not for human use, consumption, or therapeutic applications.
Potential Research Applications:
- IGF-1 receptor binding affinity and cellular signaling studies
- Cellular growth and differentiation pathway research
- Binding protein resistance and in vitro stability mechanism models
- Growth factor analog activity and structure-function investigations
For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
