Supply 99% L-Proline Powder 147-85-3
Do you know L-proline?
L-proline (abbreviated as proline) is one of the 18 amino acids used in human protein synthesis. It appears as colorless to white crystals or crystalline powder at room temperature and is highly soluble in water. Amino acids are a general term for a class of organic compounds containing amino and carboxyl groups. Their presence in the human body not only provides an important raw material for protein synthesis but also provides the material basis for promoting growth, normal metabolism, and maintaining life. L-proline is a key amino acid in human protein synthesis and a key raw material for amino acid infusions. It is widely used in the food and pharmaceutical industries.
Proline is found in a variety of proteins, and the best natural food sources include meat, dairy products, and eggs. It is also a moderately abundant amino acid found in marine plankton and is also present in seawater, particulate matter, and marine sediments. Foods rich in proline include: pig's trotters, cartilage, chicken wings, chicken skin, fish skin, tendons such as beef trotters, and pig skin.
YTBIO: Providing High-Quality L-proline and Services
High-quality nutritional supplements are crucial to your health journey. YTBIO specializes in providing high-quality L-proline
Why choose YTBIO? We hold the following certifications:
- cGMP, ISO9001, and ISO22000 certifications ensure rigorous quality control throughout the entire process;
- BRC and HACCP system certifications ensure product safety and reliability;
- EU and NOP organic, kosher, and halal certifications meet various global standards and dietary requirements.
We specialize in the research, development, and production of natural plant extracts, cosmetic active ingredients, and health foods. We primarily produce plant extracts, health food ingredients, and a variety of end-use products, including capsules, softgels, granular capsules, gummies, tablets, and solid beverages. Our production facilities and equipment meet national standards, and our production processes strictly adhere to GMP requirements. If you have any questions, please feel free to contact us at sales@sxytbio.com
Benefits of L-Proline
L-proline, as an important amino acid, plays a variety of physiological roles in human health.
Protein Synthesis and Tissue Repair
L-proline promotes protein synthesis, helps alleviate symptoms caused by malnutrition and protein deficiency, and improves gastrointestinal function. It is also a key building block for collagen synthesis, helping to reduce collagen loss and slow the aging process of the skin.
Tooth and Connective Tissue Health
L-proline plays a crucial role in the protein structure of tooth enamel, enhancing tooth strength and elasticity. It also participates in protein breakdown and cell production in the body, making it crucial for maintaining healthy skin and connective tissue growth, especially in tissue wound repair.
Joint and Cartilage Health
L-proline, along with lysine, participates in the synthesis of hydroxyproline and hydroxylysine, two amino acids that form the building blocks of collagen. Collagen helps cartilage heal and provides cushioning for joints and the spine. Therefore, L-proline is often used as an adjunctive treatment for osteoarthritis, chronic back pain, and soft tissue tension. It also aids in wound and cartilage repair.
Cardiovascular Health
L-proline is often used in combination with vitamin C to support cardiovascular function. Furthermore, it is a key intermediate in the synthesis of commonly used antihypertensive drugs such as captopril and enalapril, and has a certain adjunctive therapeutic effect for hypertension.
Immune Enhancement
L-proline promotes the proliferation and activation of immune cells, enhancing the body's immunity. It also participates in glucose metabolism, increasing the body's energy supply, and helps improve endurance and fatigue resistance.
Applications of L-proline
Food Industry
In the food industry, L-proline is primarily used as a nutritional supplement and flavoring agent. As a nutritional supplement, it can improve tissue resistance and promote tissue repair. As a flavoring agent, L-proline reacts with carbohydrates through the Maillard reaction to produce a substance with a distinctive aroma, which is widely used in seasonings and food processing.
In the pharmaceutical field
L-proline is a key ingredient in compound amino acid injections and is widely used as a protein supplement for patients with malnutrition, protein deficiency, severe gastrointestinal diseases, burns, and post-surgery conditions. It plays a key role in clinical nutritional support and has no significant toxic side effects.
In the agricultural field
L-proline is an important osmotic regulator in plants. Under adverse conditions such as drought and saline, proline accumulates in large quantities in plants, stabilizing the structure of biomolecules, regulating cellular osmotic pressure, alleviating ammonia toxicity, and maintaining energy metabolism and redox balance. Therefore, it can be used to improve crop stress tolerance.
Industry
In organic synthesis, L-proline and its derivatives are often used as highly efficient and stereoselective organic small molecule catalysts in asymmetric catalytic reactions such as hydrogenation, polymerization, and aldol condensation. They feature mild reaction conditions and are environmentally friendly.
Other Fields
L-proline is also used in the cosmetics industry for moisturizing properties. During the brewing process, it combines with polyphenols to affect product turbidity. It is also an important raw material for the synthesis of certain pharmaceuticals, such as cholinesterase inhibitors.

FAQ
Q: What certifications do you hold?
A: We prioritize product quality and safety, and our production facilities hold several top international certifications, including:
· cGMP
· ISO9001 and ISO22000
· BRC
· HACCP
· EU and NOP organic certifications
· Kosher certification
· Halal certification
Q: Do you provide third-party test reports (COAs) for your products?
A: Of course. We provide a COA with every batch.
Q: Do you offer custom products and technical support?
A: Yes, we have a strong R&D team. In addition to standard products, we can also provide customized dosage forms and customized packaging to meet your specific needs.
Our technical team is always ready to provide comprehensive technical support, including product application and formulation advice.












