✅ 99%+ Purity
🔬 HPLC Tested
📄 COA Included
⚡ In Stock
L-Theanine Pure Powder (Suntheanine Spec)
$19.99
L-Theanine ≥99.5% pure, enzymatic synthesis matching Suntheanine® specification. Promotes alpha-wave brain activity. Stacks synergistically with caffeine.
Purity
99%+
CAS Number
N/A
Molecular Wt.
N/A
Storage
-20°C
₿ Pay with crypto and save 5%
— that's $1.00 off this item!
Learn more →
🔒 SSL Secure Checkout
📦 Discreet Shipping
🔬 COA Included
♻️ 30-Day Returns
L-Theanine ≥99.5% — Nootropic Amino Acid
L-Theanine (γ-glutamylethylamide) is a naturally occurring amino acid found predominantly in green tea (Camellia sinensis). Our L-Theanine is produced via enzymatic synthesis achieving ≥99.5% purity in the L-form, equivalent to the Suntheanine® manufacturing specification.
Well-documented for promoting alpha-wave brain activity, reducing anxiety without sedation, and synergistically enhancing the cognitive effects of caffeine. Extensively used in focus and nootropic supplement formulations.
⚠️ Research Use Only: This product is intended for laboratory research purposes only.
Not for human consumption, veterinary use, or as a dietary supplement.
These statements have not been evaluated by the FDA.
Technical Specifications
- Product Name: L-Theanine Pure Powder (Suntheanine Spec)
- Purity: 99%+ (Verified by HPLC)
- CAS Number: N/A
- Molecular Weight: N/A
- Amino Acid Sequence: Available upon request
- Appearance: White lyophilized powder
- Solubility: Soluble in water or dilute acetic acid
- Storage Temperature: -20°C
- Shelf Life: 2 years when stored correctly
- Form: Lyophilized (freeze-dried) powder
- Container: Sterile multi-dose vial
- SKU: GSBP-THE-006
Certificate of Analysis
All GreenShield Agri products are independently tested by third-party analytical laboratories before shipping. Every order includes a batch-specific Certificate of Analysis (COA) verifying:
- Peptide identity (confirmed by mass spectrometry)
- Purity percentage (HPLC analysis)
- Water content (Karl Fischer titration)
- Sterility (where applicable)
- Heavy metals screening
Your COA will be included with your shipment and emailed to you automatically. You can also request the COA for any batch by contacting our support team.
Shipping Information
- US Domestic: 2-4 business days (USPS Priority / FedEx)
- EU/UK: 3-7 business days (tracked)
- International: 7-14 business days (tracked)
- Free Shipping: On all orders over $200
- Packaging: 100% discreet — no brand markings, generic box, no content description
- Temperature Control: All orders ship with insulated packaging and temperature-control packs
- Tracking: Tracking number emailed when order ships
Related Research Peptides
Alpha-GPC 50% Powder
39,99 €
Reviews
There are no reviews yet.