Livagen/99% purity/20mg LI20/ Support liver and gastrointestinal health Factory direct shipping, door-to-door delivery

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• Amino Acid Sequence: Lys-Glu-Asp-Ala (Lysine-Glutamic acid-Aspartic acid-Alanine), abbreviated as the single-letter sequence KEDA.

• Substance Classification: It belongs to small-molecule linear polypeptides (synthetic tetrapeptides) and exhibits excellent hydrophilicity.
• Physicochemical Parameters: Its molecular formula is C₁₈H₃₁N₅O₉, with a molecular weight of approximately 461.47 Da.
• Physicochemical Characteristics: It typically appears as a white powder and is soluble in water (H₂O) and DMSO.

• Gene Activation and Anti-aging: Livagen has a direct impact on DNA and gene expression patterns. Studies indicate that it induces chromatin decondensation (unpacking), thereby activating genes in elderly lymphocytes that have been silenced due to aging (including ribosomal genes responsible for protein production and enhancing cellular activity). This revitalizes cells from the inside out and combats aging.
• Promoting Protein Synthesis: Livagen can significantly increase the level of protein synthesis in hepatocytes of animals of various ages, with the most pronounced effects observed in elderly animal cells.
• Regulating the Endogenous  System: Livagen can inhibit enkephalin-degrading enzymes in human serum, and its inhibitory efficiency is superior to certain known peptidase inhibitors.
• Cellular Structure Regulation: As an inducing active peptide, Livagen can increase the number of nucleolar organizer regions (NORs) and nucleoli within each cell, making it useful for research on nucleolus-related cellular processes.

      The core principle for storing parenteral lyophilized powder is strict refrigeration and absolutely no freezing. Before reconstitution, it is generally stored in the dark at 2 to 8°C. Once mixed and dissolved with the solvent, it must be used within a very short period.

Before Reconstitution (Original Packaging)

Strict Refrigeration: The vast majority of parenteral lyophilized powders need to be stored in a refrigerator at 2 to 8°C.

Absolutely No Freezing: Freezing will cause irreversible damage to the structure of proteins and peptides.

Protection from Light and Moisture: The product must be kept in its original packaging to avoid direct sunlight and accidental exposure to moisture.

After Reconstitution (Mixed State)

Highly Time-Sensitive: Once the lyophilized powder is dissolved with a sterile solvent, the stability of the drug drops significantly. It usually needs to be administered immediately or within a very short window (e.g., a few hours).

No Prolonged Storage: Under no circumstances should the reconstituted solution be stored in the refrigerator for use the next day. This can easily lead to loss of efficacy or severe bacterial contamination.

      * We will ship your order within 24–48 hours after payment is received.

     * We have dedicated shipping routes, allowing us to select the fastest and safest carrier for your specific destination—including FedEx, UPS, China Post, and other international express services. The estimated delivery time is approximately 7–15 business days.

     * We will also track the logistics throughout the entire process and update the logistics information for buyers in real time.

          Our company is located in Shandong Province and is a Chinese enterprise specializing in the production of peptide products.We are not intermediaries or resellers; we are the original manufacturer. This allows us to offer you the most competitive pricing. Our motto is: to manufacture products with care and serve customers with dedication.We are dedicated to serving every visitor with heart. No matter where you come from, you will experience our premium VIP service. We guarantee that every customer receives only the finest products, backed by exceptional after-sales support, as we strive to ensure your complete satisfaction.

1. What's the payment methods?
We could accept pay through Alipay, USDT, BTC and TT.

2.Does the product have a test report?
Each batch of our products undergoes testing before leaving the factory, and a Certificate of Analysis (COA) report is issued.

3.Can customers customize their own labels?

Custom labeling services are available. Please contact us to discuss your specific requirements prior to placing an order.

4.What is the product's shelf life?

When unopened, our products have a shelf life of two years under both room temperature and frozen storage conditions. Therefore, you can rest assured that extended shipping times will not cause the product to expire or degrade.

1.  * Ultra-High Purity Guaranteed
   Every batch is synthesized and purified to >99% purity, delivering the reliability and reproducibility your sensitive experiments demand.
2.  
3. * Precision Dosing & Batch Consistency
   Peptides are accurately weighed and vacuum-sealed under sterile conditions. We enforce rigorous quality control to ensure unwavering consistency from batch to batch.
4.  
5. * Endotoxin-Free & Sterile Assurance
   Produced in a certified cleanroom, our peptides are rigorously tested to be free of endotoxins, microbes, and impurities—safeguarding the integrity of your cell-based and in vivo studies.