Best Selling L Theanine on Amazon
136
ProductsUSMarketplace
March 2026Reporting Period
Sales Volume of Top ASINs for 'l theanine' on AmazonMarch 2026
Most Selling Products
This list compiles the monthly sales and rankings of all ASINs that appeared within the first three pages of search results for the keyword “l theanine” on Amazon.com in the United States, totaling 136 products. Under this keyword, the top-ranked ASIN recorded more than 20,000 orders in March.1

Title
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
Sales Volume
20,000+
Price($)
11.95
Ratings
4.6
Reviews
12,111
2

Title
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
Sales Volume
20,000+
Price($)
9.98
Ratings
4.6
Reviews
26,709
3

Title
Sports Research Double Strength L-Theanine Supplement - Suntheanine Softgels for Focus, Relaxation & Alertness - Non-Drowsy Support Made with Coconut Oil, Non-GMO & Gluten Free - 200mg, 60 Count
Sales Volume
10,000+
Price($)
15.96
Ratings
4.4
Reviews
15,112
4

Title
Nutricost L-Theanine 200mg, 240 Capsules - Double Strength
Sales Volume
9,000+
Price($)
19.95
Ratings
4.6
Reviews
12,118
5

Title
Natural Factors Suntheanine L-Theanine 100 mg - Health Supplement for Calm Outlook - L-Theanine Supplement Supports Relaxing Sleep & Aids Against Drowsiness - 60 Chewable Tablets (30 Servings)
Sales Volume
9,000+
Price($)
15.10
Ratings
4.6
Reviews
1,695
6

Title
Integrative Therapeutics L-Theanine - Stress Response Support for Demanding & Busy Lifestyles* - Calmness & Relaxation Support* - Amino Acid Supplement - 60 Capsules (30 Servings)
Sales Volume
8,000+
Price($)
22.00
Ratings
4.6
Reviews
1,496
7

Title
Nature Made Chewable L Theanine 200mg, L-Theanine Supplement for Stress Relief, 50 Chewable Tablets, 50 Day Supply
Sales Volume
7,000+
Price($)
13.99
Ratings
4.5
Reviews
1,863
8

Title
THORNE - Theanine - 200 mg of L-Theanine - Supports a Healthy Stress Response, Relaxation, Focus, Memory & Positive Mood - Increases Brain Alpha-Wave Production* - Third-Party Certified - 90 Capsules
Sales Volume
6,000+
Price($)
68.00
Ratings
4.7
Reviews
748
9

Title
L Theanine 400 mg | L-Theanine Stress Relief | Extra Strength Supplement | Made in USA | Relaxation, Sleep & Calm Support | For Men & Women | Plant Based, Non-GMO & Gluten-Free | 120 Vegan Capsules
Sales Volume
6,000+
Price($)
19.89
Ratings
4.6
Reviews
1,781
10

Title
Sports Research L-Theanine Supplement with Caffeine & Coconut MCT Oil - Focused Energy, Alertness & Relaxation Without Drowsiness - 200mg L Theanine, 100mg Organic Caffeine - 60 Liquid Softgels
Sales Volume
6,000+
Price($)
18.36
Ratings
4.5
Reviews
3,367
Keyword L Theanine Weekly Search Volume Trend
1,484
Search Frequency RankL Theanine Market Overview
This dataset shows the distribution of all ASINs on the first three pages under the keyword "l theanine". In the price range of $20–$50, there are 547 ASINs, the highest proportion, accounting for 56.68%. Nearly 67.80% of ASINs have a rating of 4.3-4.7. For this keyword, the top three ranked ASINs have a combined click-through rate of 38.83% and a combined conversion rate of 32.26%.
Price Range Distribution($)
Price distribution of all ASINs on the first three pages of search results for this keyword.
Price($)Ratio
Rating Distribution
Rating distribution of all ASINs on the first three pages of search results for this keyword.
RatingRatio
Review Count Distribution
Review Count of all ASINs on the first three pages of search results for this keyword.
Review CountRatio
Top3 Click Share
38.83%
Trend changes in the combined click share of the Top 3 ASINs for the keyword l theanine.
Top3 Conversion Share
32.26%
Trend changes in the combined conversion share of the Top 3 ASINs for the keyword l theanine.
Top3 ASINs
Top 3 ASINs by click share and conversion share for this keyword.
AsinClick(%)Conversion(%)
Most Selling Products
Search Volume & Trends
Market Overview
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