Best Selling Theanine on Amazon
132
Products
USMarketplace
March 2026Reporting Period
Sales Volume of Top ASINs for '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 “theanine” on Amazon.com in the United States, totaling 132 products. Under this keyword, the top-ranked ASIN recorded more than 20,000 orders in March.
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132
ASINs
1
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
Title
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
Sales Volume
20,000+
Price($)
11.95
Ratings
4.6
Reviews
12,118
2
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
Title
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
Sales Volume
20,000+
Price($)
8.48
Ratings
4.6
Reviews
26,717
3
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
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($)
15.96
Ratings
4.5
Reviews
14,613
4
Natural Factors Suntheanine L-Theanine 100 mg - Health Supplement for Calm Outlook - L-Theanine Supplement Supports Relaxing Sleep & Aids Against Drowsiness - 60 Chewable Tablets (30 Servings)
Title
Natural Factors Suntheanine L-Theanine 100 mg - Health Supplement for Calm Outlook - L-Theanine Supplement Supports Relaxing Sleep & Aids Against Drowsiness - 60 Chewable Tablets (30 Servings)
Sales Volume
9,000+
Price($)
18.87
Ratings
4.6
Reviews
1,701
5
Nutricost L-Theanine 200mg, 240 Capsules - Double Strength
Title
Nutricost L-Theanine 200mg, 240 Capsules - Double Strength
Sales Volume
9,000+
Price($)
19.95
Ratings
4.6
Reviews
12,128
6
Integrative Therapeutics L-Theanine - Stress Response Support for Demanding & Busy Lifestyles* - Calmness & Relaxation Support* - Amino Acid Supplement - 60 Capsules (30 Servings)
Title
Integrative Therapeutics L-Theanine - Stress Response Support for Demanding & Busy Lifestyles* - Calmness & Relaxation Support* - Amino Acid Supplement - 60 Capsules (30 Servings)
Sales Volume
8,000+
Price($)
18.70
Ratings
4.6
Reviews
1,496
7
Nature Made Chewable L Theanine 200mg, L-Theanine Supplement for Stress Relief, 50 Chewable Tablets, 50 Day Supply
Title
Nature Made Chewable L Theanine 200mg, L-Theanine Supplement for Stress Relief, 50 Chewable Tablets, 50 Day Supply
Sales Volume
7,000+
Price($)
13.99
Ratings
4.5
Reviews
1,864
8
THORNE - Theanine - 200 mg of L-Theanine - Supports a Healthy Stress Response, Relaxation, Focus, Memory & Positive Mood - Increases Brain Alpha-Wave Production* - Third-Party Certified - 90 Capsules
Title
THORNE - Theanine - 200 mg of L-Theanine - Supports a Healthy Stress Response, Relaxation, Focus, Memory & Positive Mood - Increases Brain Alpha-Wave Production* - Third-Party Certified - 90 Capsules
Sales Volume
6,000+
Price($)
68.00
Ratings
4.7
Reviews
748
9
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
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($)
18.36
Ratings
4.5
Reviews
3,367
10
L Theanine 400 mg | L-Theanine Stress Relief | Extra Strength Supplement | Made in USA | Relaxation, Sleep & Calm Support | For Men & Women | Plant Based, Non-GMO & Gluten-Free | 120 Vegan Capsules
Title
L Theanine 400 mg | L-Theanine Stress Relief | Extra Strength Supplement | Made in USA | Relaxation, Sleep & Calm Support | For Men & Women | Plant Based, Non-GMO & Gluten-Free | 120 Vegan Capsules
Sales Volume
6,000+
Price($)
19.89
Ratings
4.6
Reviews
1,782
Keyword Theanine Weekly Search Volume Trend
3,892
36,342
Search Frequency Rank
During Mar 15–21, this keyword ranked 36,342 in Amazon's Brand Analytics(ABA) report, up 3,892 from the previous week. The most recent Weekly search volume was 5,841 (+7.63% WoW). These insights help Amazon Sellers track long-term demand trends, identify market opportunities, and spot seasonal peaks.
Theanine Market Overview
This dataset shows the distribution of all ASINs on the first three pages under the keyword "theanine". In the price range of $20–$50, there are 327 ASINs, the highest proportion, accounting for 50.62%. Nearly 71.01% of ASINs have a rating of 4.3-4.7. For this keyword, the top three ranked ASINs have a combined click-through rate of 35.14% and a combined conversion rate of 35.69%.
Price Range Distribution($)
Price distribution of all ASINs on the first three pages of search results for this keyword.
Price($)Ratio
0-10
8.67%
10-20
34.21%
20-50
50.62%
50-100
5.73%
100-200
0.77%
200-500
0.00%
500-1,000
0.00%
1,000-0
0.00%
Rating Distribution
Rating distribution of all ASINs on the first three pages of search results for this keyword.
RatingRatio
4.8-5.0
4.50%
4.3-4.7
71.01%
3.8-4.2
23.10%
3.3-3.7
0.93%
2.8-3.2
0.47%
0.0-2.7
0.00%
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Review Count Distribution
Review Count of all ASINs on the first three pages of search results for this keyword.
Review CountRatio
0-100
37.83%
100-500
26.98%
500-1,000
11.16%
1,000-2,000
8.68%
2,000-5,000
7.13%
5,000-10,000
2.48%
10,000-0
5.74%
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Top3 Click Share
35.14%
Trend changes in the combined click share of the Top 3 ASINs for the keyword theanine.
Top3 Conversion Share
35.69%
Trend changes in the combined conversion share of the Top 3 ASINs for the keyword theanine.
Top3 ASINs
Top 3 ASINs by click share and conversion share for this keyword.
AsinClick(%)Conversion(%)
B01B3RWQNMB01B3RWQNM
15.32%
14.25%
B01D1YQBOKB01D1YQBOK
12.13%
14.81%
B0797BLW59B0797BLW59
7.69%
6.63%
Most Selling Products
Search Volume & Trends
Market Overview
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