Pharmaceutical Grade Peptide ll37 Powder 5mg LL37 CAS 154947-66-7 LL-37,

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A peptide is a short-chain compound formed by the linkage of multiple amino acids through peptide bonds. It is the basic building block of proteins.
In simple terms:
Amino acid = building blocks
Peptide = several building blocks put together
Protein = a large structure formed by many building blocks
Classification of Peptides
Depending on the number of amino acids:
Dipeptide: 2 amino acids
Tripeptide: 3 amino acids
Oligopeptide: 2 - 20 amino acids
Polypeptide: more than 20 amino acids
Protein: usually more than 50 amino acids

What are the functions of peptides?
There are thousands of peptides naturally present in the human body, which function as "signal transmitters" to regulate bodily functions.
Common functions include:
Growth and Repair
Promote Cell Regeneration
Tissue Repair
Collagen Production
For example:

GHK-Cu
BPC-157
Metabolic regulation
Control blood sugar
Regulate appetite
Promote fat metabolism
For example:

Semaglutide
Tirzepatide
Retatrutide
Anti-aging
Delaying cellular aging
Promoting DNA repair
Improving skin condition
For example:

Epithalon
Pinealon
Cortagen
Beauty and skincare
Antioxidation
Reduce fine lines
Enhance skin elasticity
For example:

GHK-Cu (Blue Copper Peptide) Matrixyl

Why are peptides so popular?
Compared with traditional medications:
✅ Highly targeted
✅ High biological activity
✅ Low dosage
✅ Similar to natural substances in the human body
Therefore, it has been widely studied:
Weight loss management
Anti-aging
Exercise recovery
Skin care
Metabolic health
Scientific research

Guangzhou Henghuang Trading Co., Ltd. specializes in the field of bioactive peptides, integrating high-end peptide raw material supply, freeze-dried powder production, and customized manufacturing. Based in the Guangdong-Hong Kong-Macao Greater Bay Area, the company is committed to providing premium raw materials and contract manufacturing solutions for the beauty and wellness industries, empowering brand long-term growth through cutting-edge biotechnology.
The company carefully selects high-quality peptide raw materials, covering a full range of categories including beauty peptides and functional active peptides. The raw materials meet stringent industry standards for purity, ensuring stable molecular activity and suitability for diverse product development needs. Utilizing low-temperature vacuum freeze-drying technology, the lyophilized powder maximizes retention of active ingredients, delivering consistent quality ideal for various applications such as professional skincare, daily care products, and health-related derivatives. By deeply integrating upstream supply chain resources and collaborating with standardized manufacturing facilities, we offer comprehensive services spanning formula development, dosage form preparation, customized specifications, and packaging OEM. This flexible approach accommodates both bulk procurement and niche custom orders, meeting clients' differentiated market strategies.
The company adheres to strict quality control standards, conducting rigorous inspections at every stage—from raw material intake and sample testing to finished product shipment—ensuring safety and compliance throughout. Guided by the philosophy of craftsmanship for long-term success and mutual growth, it leverages a mature supply chain system and technical service capabilities to balance product quality, delivery efficiency, and cost advantages.
Focusing on the market, Henghuang Trading maintains a premium positioning by specializing in peptide raw materials and freeze-dried powder products, continuously advancing its product range and manufacturing processes. With reliable supply, flexible customization, and professional technical support, we serve partners worldwide, collaborating closely to deepen our presence in the efficacy-driven market. Together, we are building a high-quality peptide industry ecosystem and establishing ourselves as a trusted provider of raw materials and customized solutions in the sector.

1. A complete, stable and high-quality raw material supply chain ensures that customers receive high-quality products.
2. Strict quality inspection procedures and professional certificate testing guarantee the quality level of the final products.
3. An excellent sales team can provide customers with integrated and professional services.
4. We accept various OEM and ODM services to meet the different needs of different customers, with a low minimum order quantity.
5. Professional suppliers and manufacturers, as well as enterprises integrating production and sales, provide customers with one-stop services. Q&A
1. Do you accept customization?
Response: We can provide corresponding customized solutions based on the specific needs of our customers.
2. Can you provide samples?
Response: We can offer samples to our customers and send them to them via express delivery promptly.
3. How is your production capacity? Can you meet the customers' demands in a timely manner? Regarding this, we can produce the products required by the customers on time and have sufficient production capacity.
4. How long is your delivery cycle?
For orders under 50 kilograms, they can be dispatched within 5 days. For orders over 50 kilograms, the corresponding time will be negotiated based on the weight of the products.
5. What are your payment terms?
Regarding payment: For amounts ≤ $1000, 100% payment is required in advance; for amounts ≥ $1000, 50% payment by wire transfer is required, and the remaining amount should be paid before shipment. Irrevocable sight letter of credit is applicable.
6. Do you provide OEM or ODM services for products?
Yes, if needed, we can customize products for you.
7. How do you ensure that the goods provided meet the standards?
All goods will be inspected before shipment. If the goods fail to meet our quality commitment, you can apply for a refund.
8. How will you deliver the goods?
Regarding: We have close cooperation with DHL, TNT, UPS, FEDEX, EMS, China Air Post. For container products, we can provide shipping services. You can also choose your own freight forwarder.