L Theanine
Listing confidence
Methodology- Grade C
- 93/100Method v2026.08
- Retailer verification
- 25 / 25Retailer, direct purchase URL, brand and product identity
- Label information
- 30 / 30Ingredient, amount per serving, frequency, quantity and dosage form
- Product identity
- 15 / 15Verified product image and retailer image domain
- Sales record
- 8 / 15Rating availability and review-count range
- Data validation
- 15 / 15Price, amount, rating range and linked categories
This is not a score of product efficacy or safety.
Supplement facts
- Serving size
- 1 Liquid
- Servings per day
- 1
- L Theanine
- 200mg200% of daily reference
Daily reference 100mg · Upper limit 1,000,000mg
Price breakdown
- per 100 mg
- 340 KRWRank 74 of 100 L Theanine products
- Cost per day
- 680 KRW
- Supply
- 30 days
- Total servings
- 30
- Total amount
- 6,000mg
Product features
- Potency
- High potency
- Dosage form
- Liquid
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