About  YuanDa

YUANDA Co., Ltd. is a specialized supplier of high-purity research peptides, serving two dynamic sectors — weight management and cosmetic innovation. We provide premium-grade peptides for metabolic research, anti-aging formulations, and skin health applications, supporting laboratories, research institutions, and beauty brands worldwide.

Our strength lies in bridging advanced peptide synthesis with responsive, client-focused service. Every batch is sourced from certified manufacturing partners and verified by independent third-party testing, ensuring purity, consistency, and full traceability. We deliver comprehensive documentation, including Certificates of Analysis (COA), with every order.

Our Products

Research Peptides for Weight Management & Beauty

Our Products

Research Peptides for Weight Management & Beauty

Tirz

• Product Name: Weight Management / Cosmetic Peptide • Form: Lyophilized Powder • Color: White to Off-White • Purity: ≥99% (by HPLC) • Molecular Formula: Varies by product

Thymosin-Alpha-1

• Storage Condition: Store at 2-8°C, protect from light and moisture • Shelf Life: 24 months • Packaging: Sealed vial, 10 vials per box • Usage: For laboratory research use only. Not for human consumption or medical use. • Quality Assurance: Certificate of Analysis (COA) provided with each batch

Thymalin

• Product Name: Thymalin • Form: Lyophilized Powder • Color: White to Off-White • Purity: ≥99% (by HPLC) • Molecular Formula: Varies by product • Storage Condition: Store at 2-8°C, protect from light and moisture

PNC-27

• Color: White to Off-White • Purity: ≥99% (by HPLC) • Molecular Formula: Varies by product • Molecular Weight: Varies by product • Storage Condition: Store at 2-8°C, protect from light and moisture

Tesam

• Storage Condition: Store at 2-8°C, protect from light and moisture • Shelf Life: 24 months • Packaging: Sealed vial, 10 vials per box • Usage: For laboratory research use only. Not for human consumption or medical use. • Quality Assurance: Certificate of Analysis (COA) provided with each batch

Semax

• Molecular Weight: Varies by product • Storage Condition: Store at 2-8°C, protect from light and moisture • Shelf Life: 24 months • Packaging: Sealed vial, 10 vials per box • Usage: For laboratory research use only. Not for human consumption or medical use.

Sema

• Color: White to Off-White • Purity: ≥99% (by HPLC) • Molecular Formula: Varies by product • Molecular Weight: Varies by product • Storage Condition: Store at 2-8°C, protect from light and moisture

PT-141

• Molecular Formula: Varies by product • Molecular Weight: Varies by product • Storage Condition: Store at 2-8°C, protect from light and moisture • Shelf Life: 24 months • Packaging: Sealed vial, 10 vials per box

Selank

Our research peptides are manufactured under strict quality control standards. Each batch undergoes rigorous HPLC testing to guarantee purity of 99% or higher. Endotoxin levels are maintained below 1.0 EU/mg, and microbial limits fully comply with USP requirements. The peptides are supplied as lyophilized powder in sealed vials, ensuring stability during storage and transportation. For optimal preservation, store at 2-8°C, keep containers tightly sealed, and avoid direct light exposure.

Pinealon

The peptides are supplied as lyophilized powder in sealed vials, ensuring stability during storage and transportation. For optimal preservation, store at 2-8°C, keep containers tightly sealed, and avoid direct light exposure. These products are intended for laboratory research purposes only. They are not designed for human consumption or medical use. A Certificate of Analysis (COA) is provided with every batch, offering full transparency and traceability for your research needs.

MT-2

• Purity: ≥99% (by HPLC) • Molecular Formula: Varies by product • Molecular Weight: Varies by product • Storage Condition: Store at 2-8°C, protect from light and moisture • Shelf Life: 24 months

Cagrilin

The peptides are supplied as lyophilized powder in sealed vials, ensuring stability during storage and transportation. For optimal preservation, store at 2-8°C, keep containers tightly sealed, and avoid direct light exposure. These products are intended for laboratory research purposes only. They are not designed for human consumption or medical use. A Certificate of Analysis (COA) is provided with every batch, offering full transparency and traceability for your research needs.
Last News
  • 【Industry Series】Plant‑Derived Cosmetic Peptides Gain Traction as Synthetic Biology Enables Sustainable Production
    Synthetic biology platforms are now being used to optimize the production of these plant peptides, improving yield and consistency while reducing environmental footprint. Several ingredient suppliers have already launched commercial lines targeting the “clean beauty” segment. Industry observers note that the shift reflects a broader trend toward bio‑based, traceable, and sustainably produced cosmetic actives. However, experts caution that efficacy validation and formulation stability remain key challenges before these ingredients can match the performance of established synthetic peptides.
  • 【Comany News】YUANDA Opens Hong Kong R&D Center to Focus on Peptide Structure Optimization
    “We are committed to moving beyond basic peptide supply,” said a company representative. “This R&D center allows us to work more closely with our clients on custom modifications and application‑specific challenges. It’s a natural next step for YUANDA as we deepen our technical expertise.” The center will also serve as a training hub for client technical staff, offering workshops on peptide handling, storage, and formulation integration.
  • 【Industry Series】Postbiotic Peptides Gain Spotlight in Gut‑Skin Axis Research
    Recent findings presented at a European dermatology conference indicated that oral administration of specific postbiotic peptides reduced acne‑like lesions in an animal model, while also improving markers of systemic inflammation. The dual benefit aligns with the growing interest in holistic approaches to weight management and skin health. While most research remains preclinical, several startups have already filed patents around postbiotic peptide compositions. YUANDA has expressed interest in exploring this emerging category as a potential complement to its existing peptide portfolio.

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WhatsApp: 85257860342 | E-mail: admin@yuandapeptide.com

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