GMP  ·  ISO  ·  HALAL  ·  Sample Available  ·  MOQ from 500 Units  ·  24-Hour Effect Guarantee Exclusive Formulas  ·  Real ingredients only , Fully testable.

L-Theanine 98% Bulk Powder: OEM/ODM Custom Capsules | HPLC Verified Purity | USA Stock 3-5 Days Delivery | Private Label Sleep & Stress Relief Nootropic Supplement Supplier

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L-Theanine is a premium amino acid primarily sourced from green tea, renowned for promoting relaxed alertness without drowsiness. It effectively modulates neurotransmitters to reduce stress and anxiety, improves sleep quality, and enhances cognitive focus. When synergistic with caffeine, it provides a smooth, jitter-free energy boost, making it an essential ingredient for modern nootropic stacks and functional relaxation beverages.

 

 

98% HPLC Verified Purity & Pharmaceutical Grade

Don’t compromise on ingredient integrity. Our L-Theanine is rigorously tested via HPLC to ensure a consistent 98%+ purity level. Every batch arrives with a comprehensive COA, certifying it as Non-GMO, Vegan-friendly, and BSE/TSE free. Backed by our 13-PhD R&D team, we provide the scientific transparency necessary to satisfy the most demanding quality audits in the US and EU markets.

 

 

Flexible OEM/ODM & Custom Private Labeling

Transform raw powder into a market-ready bestseller. Whether you are developing 500mg focus capsules, multi-ingredient relaxation gummies, or instant drink mixes, we offer full custom formulation and tableting services. Our expertise in bio-fermentation ensures high bioavailability, while our low MOQ options allow small to medium-sized brands to launch and scale rapidly on platforms like Amazon and TikTok.

 

 

USA Domestic Warehouse: 3-5 Days Door-to-Door

Say goodbye to international shipping delays and complex customs paperwork. With substantial inventory held in our New Jersey warehouse, we offer 3-5 days local delivery across the United States. All customs clearance is pre-completed with no hidden fees or import risks. This localized supply chain ensures you maintain a lean inventory while never missing a peak sales opportunity.

 

 

Global Compliance & Authority-Building Support

Build a brand that consumers trust. Our production facility holds GMP, ISO 22000, HACCP, and HALAL certifications, ensuring your products meet international safety standards. As a dedicated B2B supplement supplier, we provide all necessary technical documentation and marketing assets, empowering you to position your brand as a premium, science-backed authority in the health and wellness industry.