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  6. L-Theanine (high-purity tea amino acid) naturally derived relaxation support ingredient

L-Theanine (high-purity tea amino acid) naturally derived relaxation support ingredient

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L-Theanine Premium / Naturally derived high-purity functional amino acid raw material from tea leaves.

last updated:Nov 26, 2025

YOUCHANG INDUSTRY DEVELOPMENT Shenzhen
YOUCHANG INDUSTRY DEVELOPMENT Shenzhen
  • Official site

Natural tea amino acid L-theanine, ideal for stress relief, mind and body relaxation, and cognitive function support.

L-Theanine is a non-protein amino acid that is naturally found in tea leaves, and its chemical name is known as N-Ethyl-γ-L-glutamate. It possesses unique neuroactive properties and is widely recognized as a natural anti-anxiety component, promoting calmness and tranquility by directly acting on neurotransmitters in the brain. Furthermore, it does not induce drowsiness when taken, making it suitable for use in daily life and during work. Our L-Theanine is produced using high-quality tea leaf-derived raw materials, undergoing fermentation, purification, and drying processes, and is offered in a grade with excellent purity and stability. It is optimized for applications in food, functional foods, supplements, beverages, cosmetics, and nutritional products, and is adopted by B2B manufacturers and brands worldwide for stress relief, sleep improvement, and cognitive function enhancement. Since it is difficult for many people to consume sufficient L-Theanine through their regular diet, supplementing with this ingredient makes it possible to obtain its health benefits on a daily basis. Additionally, as a highly safe natural-derived component, it is manufactured under strict quality control, making it easy to incorporate into OEM/ODM products.

    Food ingredients (powder)Food/beverage functional materials
L-Theanine.png

L-Theanine (high-purity tea amino acid) naturally derived relaxation support ingredient

L-Theanine.png
L-Theanine.png
  • Related Link - https://essentialoilsfind.com/product/l-theanine-n…

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basic information

Product Name: L-Theanine Chemical Name: N-Ethyl-γ-L-Glutamic Acid Source: Naturally derived amino acid from tea leaves Appearance: White to off-white crystalline powder Purity: High purity grade (lot analysis values available) Solubility: Water-soluble Taste & Aroma: Almost tasteless and odorless Characteristics: Supports relaxation of the mind and body Reduces stress and has anti-anxiety effects Improves sleep quality Supports cognitive function Naturally derived and highly safe Packaging: 1 kg / 5 kg aluminum bags (other capacities available upon request) Storage Conditions: Avoid high temperature and humidity, store in a sealed container.

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Main usage examples: Functional foods (relaxation, stress relief, sleep improvement) Health supplements and dietary supplements Beverages, powdered drinks, nutritional drinks Cosmetics and beauty supplements Incorporation into OEM/ODM products Adoption results: Widely adopted by domestic and international health food and functional food brands, as well as B2B manufacturers. It is extensively used in products aimed at stress relief, sleep improvement, and cognitive function support, particularly receiving high praise in the relaxation and concentration-enhancing supplement markets.

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YOUCHANG

YOUCHANG INDUSTRY DEVELOPMENT Shenzhen

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Our company is a global raw material and technology solution provider that offers natural-derived ingredients, including herbal medicines and plant-derived extracts, as well as high value-added functional ingredient formulation technologies. We integrate knowledge of traditional natural materials with modern biotechnology and formulation techniques to cater to a wide range of fields, including pharmaceuticals, health foods, functional foods and beverages, cosmetics, personal care, and animal nutrition. Utilizing advanced technologies such as Cocrystal, Liposomal, microencapsulation, particle technology, pellet technology, and granulation technology, we provide customized solutions to address challenges related to the solubility, absorption, stability, flavor, and processability of functional ingredients. Additionally, we supply a diverse range of natural and functional ingredients, including plant extracts, natural flavors, essential oils, amino acids, and peptides. We have established a consistent global supply system that covers raw material procurement, processing, quality control, and export, allowing us to flexibly respond to development projects from small batches to mass production. Through high-quality raw materials, advanced technologies, and specialized support, we assist customers worldwide in product development and business expansion.

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