Cần trợ giúp? Liên hệ với đội ngũ của chúng tôi
L-Theanine is a unique amino acid primarily found in green tea (Camellia sinensis). Unlike other amino acids that serve as protein building blocks, L-Theanine is a psychoactive compound that directly influences brain function. It is the molecule responsible for green tea’s characteristic umami flavor and its paradoxical effect: calm alertness without drowsiness.
Why formulators choose L-Theanine: It is one of the few natural ingredients that produces relaxation without sedation, making it suitable for daytime stress management products. It is also clinically validated, GRAS-certified, and highly stable across multiple dosage forms.
differentiator: L-Theanine is the only amino acid that directly crosses the blood-brain barrier and promotes alpha brain wave activity (relaxed alertness).
Commercial sources comparison:
| Source | Purity | Production Method | Best For |
|---|---|---|---|
| Synthetic fermentation | 98–102% | Bacterial fermentation (glucose-based) | Cost-effective bulk, consistent quality |
| Green tea extract | 20–60% | Solvent extraction from tea leaves | Natural positioning, organic claims |
| Enzymatic synthesis | 98–102% | Enzyme-catalyzed (glutamine + ethylamine) | Premium, clean label |
Industry standard: >90% of commercial L-Theanine is produced via synthetic fermentation due to cost consistency, purity, and sustainability (no tea leaf waste).
| Tham số | Thông số kỹ thuật | Phương pháp thử nghiệm |
|---|---|---|
| Assay (HPLC) | 98.0–102.0% | HPLC |
| Hình thức | White to off-white crystalline powder | Visual |
| Odor | Characteristic (slight umami) | Organoleptic |
| Mất mát khi sấy khô | ≤ 1.0% | USP <731> |
| Residue on Ignition | ≤ 0.2% | USP <281> |
| pH (1% solution) | 5.0–6.5 | USP <791> |
| Heavy Metals | Pb ≤ 0.5 ppm; As ≤ 0.5 ppm; Cd ≤ 0.2 ppm; Hg ≤ 0.05 ppm | ICP-MS |
| Related Substances | Single impurity ≤ 0.5%; Total ≤ 1.0% | HPLC |
| Residual Solvents | Meet USP <467> | GC |
| Particle Size | 95% through 80 mesh (standard); micronized available | Sieve Analysis |
Công ty TNHH LyvBio. is a ISO-certified manufacturer and global supplier of high-purity L-Theanine powder. We serve nutraceutical, functional food, and beverage brands across North America, Europe, Asia, and the Middle East.
Năng lực cung ứng:
Công suất hàng tháng: Hơn 10 tấn
Số lượng lớn: 1 kg – 10.000 kg
Packaging options: 1kg / 5kg / 25kg (fiber drums or foil bags)
Thời gian giao hàng: 3–5 ngày (mẫu), 10–15 ngày (số lượng lớn)
Tài liệu: COA, MSDS, TDS, stability data, allergen statement, Non-GMO
Certifications available:
Non-GMO Project Verified
Allergen-Free
Vegan
Organic (natural extract grade)
📧 Request bulk pricing & samples: info@lyvbio.com
L-Theanine’s primary mechanism involves modulation of key neurotransmitter systems:
L-Theanine application
L-Theanine is widely used across multiple supplement and functional food categories:
| Ứng dụng | Typical Dosage per serving | Các luận điểm chính |
|---|---|---|
| Stress & anxiety supplements | 100–200 mg | Calm focus; stress reduction; mood support |
| Sleep support formulas | 100–200 mg (evening) | Relaxation; sleep quality (non-sedative) |
| Nootropic / brain health blends | 100–200 mg | Cognitive performance; alert calm |
| Pre-workout (with caffeine) | 100–200 mg | Reduces caffeine jitters; smooth energy |
| Functional beverages | 50–100 mg | Relaxation without drowsiness |
| Gummies & chews | 50–200 mg | Stress management (on-the-go) |
| Children’s calm formulas | 25–50 mg | Gentle relaxation (age-appropriate dosing) |
| Ưu điểm | What It Means for You |
|---|---|
| High purity (≥98–102%) | USP/Ph.Eur. compliant; batch-to-batch consistency |
| Competitive bulk pricing | Volume discounts from 25kg+; price matching available |
| GMP & ISO 22000 certified | Audited manufacturing; supply chain security |
| Full documentation package | COA, MSDS, TDS, stability (36 months), allergen, Non-GMO |
| Flexible packaging | 1kg to 25MT; custom private label available |
| Fast global shipping | USA, EU, Asia, Middle East – 10–15 days bulk |
Contact our sales team: info@lyvbio.com
Q: What is the difference between L-Theanine and suntheanine?
A: Suntheanine is a trademarked brand name for pure L-Theanine produced via fermentation. Chemically, it is identical to generic L-Theanine. For most formulations, generic USP-grade L-Theanine provides equivalent quality at lower cost.
Q: Is L-Theanine suitable for children’s products?
A: Yes, at lower doses (25–50 mg). L-Theanine is GRAS for all ages and has been studied in children with ADHD and anxiety. Always consult regulatory guidelines for target markets.
Q: Does L-Theanine cause drowsiness?
A: No. L-Theanine promotes relaxation and alpha brain wave activity (relaxed alertness) without sedation. This is a key differentiation from melatonin, valerian, and GABA. It can be taken during the day without impairing performance.
Q: Is L-Theanine stable in hot beverages (tea, coffee)?
A: Yes. L-Theanine is heat-stable up to 100°C and remains bioactive in hot liquids. This is why traditional green tea (which contains natural L-Theanine) is consumed hot.
Q: What is the optimal ratio of L-Theanine to caffeine?
A: 2:1 L-Theanine to caffeine (e.g., 200 mg L-Theanine + 100 mg caffeine) is most studied for cognitive performance. However, 1:1 and 1:2 ratios are also used depending on desired effect.
Hỏi: Số lượng đặt hàng tối thiểu (MOQ) của quý công ty là bao nhiêu?
A: Sample orders: 100g–1kg. Trial production: 5–25 kg. Commercial: Negotiable (500kg+ receives volume pricing). Lead time: 3–5 days (samples); 10–15 days (bulk).
📧 Email: info@lyvbio.com
🌐 Trang web: https://www.lyvbio.com
All technical inquiries receive a response within 24 hours, including COA, MSDS, pricing, and formulation recommendations.
Request your free sample today.
280 Phố Chính, Tây An, Thiểm Tây, Trung Quốc
English English 
Russian
French
Korean
German
Polish
Japanese
Spanish
Italian
Vietnamese