L-Theanine is a food-grade unique amino acid found naturally in tea leaves (Camellia sinensis), used in supplements for relaxation, focus and sleep support without drowsiness.We supply bulk L-Theanine sourced from leading China manufacturers, available in powder form for international food processing operations. Our L-Theanine is widely used in stress-relief supplements, cognitive-performance stacks, sleep-support formulas, beverages and anxiety-support products.
L-Theanine (γ-glutamylethylamide) is a non-protein amino acid found predominantly in green and black tea. Produced commercially by fermentation or chemical synthesis.
It promotes alpha brain-wave activity, increasing relaxation, focus and calm alertness without sedation. Synergistic with caffeine for sustained focus and reduced jitteriness.
| Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Assay (HPLC) | ≥ 99.0% |
| D-Theanine | ≤ 2.0% |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals (as Pb) | ≤ 10 mg/kg |
Our MOQ for bulk food/feed ingredient is generally 500 kg. We also support mixed containers — combine L-Theanine with other food ingredients in one shipment to save on freight.
We provide free samples (100–500g) for quality testing before you place a bulk order. The buyer covers shipping costs only. Samples are typically dispatched within 2–3 business days.
Standard lead time is 7–15 days after order confirmation and payment. For stock items, delivery can be faster. We will confirm the exact timeline before you place the order.
You will receive the original COA (Certificate of Analysis), COO (Certificate of Origin), MSDS, TDS, and relevant certifications directly from the manufacturer. We guarantee full document authenticity and traceability.
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Whether you're sourcing bulk ingredients or mix container, contact our team for pricing, free samples, and technical support.