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Address: Rm 218, Tangxing Digital Bld, #6 Tangxing Rd, Xi’an, Shaanxi, China
Phone: +86 17791258855
Landline: +86 (0)29 81870046


Product Specification/ Purity





White Powder


Customized various dosage forms and packaging


HACCP, ISO22000, IS09001, Eu-Organic, Us Organic, HALAL, KOSHER


Product Description

L-Proline is an amino acid, which is one of the building blocks of proteins. L-Proline plays a crucial role in the synthesis of collagen, a protein that provides structural support to various tissues in the body, including the skin, joints, and blood vessels. It is also involved in the production of cartilage, tendons, and connective tissues. Additionally, L-Proline is important for the proper functioning of the immune system and the maintenance of healthy skin.

Product Specifications

L-Proline 99% Purity

Certificate of Analysis


  1. Protein synthesis: L-Proline is a crucial component in the synthesis of collagen, the most abundant protein in the body. Collagen provides structure and support to various tissues, including skin, bones, tendons, and cartilage.
  2. Wound healing: L-Proline is involved in the formation of new connective tissue during the wound healing process. It helps in the production of collagen, which is necessary for tissue repair and regeneration.
  3. Joint health: L-Proline is beneficial for maintaining healthy joints and preventing joint-related conditions. It supports the production of cartilage, which acts as a cushion between bones and helps reduce friction and wear.
  4. Skin health: L-Proline is involved in the synthesis of collagen and elastin, which are essential for maintaining the elasticity and firmness of the skin. It helps in reducing the appearance of wrinkles and promoting overall skin health.
  5. Immune function: L-Proline is involved in the production of antibodies and plays a role in maintaining a healthy immune system. It supports the growth and function of immune cells, helping to defend against infections and diseases.
  6. Neurotransmitter synthesis: L-Proline is a precursor to the neurotransmitter gamma-aminobutyric acid (GABA), which plays a crucial role in regulating brain activity and promoting relaxation.
  7. Energy production: L-Proline is involved in the metabolism of carbohydrates and fats, helping to convert them into usable energy for the body.

Application Cases

Why RainWoodBiotech?

RainWood Biotech is engaged in researching, producing, and exporting concerning the field of health and fitness, cosmetics, pharmaceuticals, food, and beverages additives, and also feeding staff who have obtained EU and US organic certification, KOSHER, HALAL, ISO9001, HACCP, and ISO22000.
RainWood Biotech was established in 2006, located in Shaanxi Xi’an Hi-tech Development Zone, covering 19 acres of land with a factory construction area of around 10000 square meters.

RainWood Biotech believes that natural specialty ingredients and innovative technology are the best basis for us to serve our clients’ needs. We are capable and proud to provide the greatest product solutions to increase more value of the products themselves.

Frequently Asked Questions

Rainwood provides herbal extract, cosmetic ingredient and food additive product.

Our company has its own competitive R&D team, and currently owns more than 100 employees. Among them, there are 3 Dr. doctors majored in this field. Besides, Postgraduate employee accounts 10%, undergraduate employee accounts 15%, and professional technical personnel accounts 5%. Its professional talented personnel are completely equipped in laboratory for the quality control.
Various Detection Devices are well equipped, such as HPLC, GC, UV, TLC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.
The entire production process from the source of raw material, production, inspection, warehousing, customer service and other sectors are in strict accordance with the ISO9001:2015 system.
We will provide you with satisfactory products according to your requirements.

Please contact our sales person and they will guide you with an easy and professional way for your order.

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We will offer you free samples and a certificate of analysis

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