Best Selling L Theanine Supplement: See Top Product Rankings by Sales Volume & Market Trends

July 2026
136 Products Tracked

Looking for the most popular l theanine supplement products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "l theanine supplement." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B01B3RWQNM currently leads the l theanine supplement market with 30K monthly sales, followed closely by B00TXY32FY with 20K monthly sales and B01D1YQBOK with 20K monthly sales. Meanwhile, ASIN B00TXY32FY stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales July 2026
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
1
B01B3RWQNM
$11.95·
4.6
Units/sold30K
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
2
B00TXY32FY
$19.95·
4.5
Units/sold20K
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
3
B01D1YQBOK
$9.98·
4.6
Units/sold20K
🚀Fastest Growing
by MoM sales growth
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
#1
B00TXY32FY
$19.95·
4.5
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
Units/sold
20K100.0%
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
#2
B01D1YQBOK
$9.98·
4.6
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
Units/sold
20K100.0%

Top Selling L Theanine Supplement

As of July 2026, we analyzed 136 tracked products in Amazon's "l theanine supplement" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 6,000 and 30,000 monthly sales. B01B3RWQNM leads the l theanine supplement market with an estimated 30,000 monthly sales, up 2.0% from the previous month.

136Products Tracked
12,700Top 10 Avg. Sales
$26.84Top 10 Avg. Price
4.6Top 10 Avg. Rating
🏆
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
#1
B01B3RWQNM

Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free

30,000
▲ 2.0%
Units Sold/mo
$11.95
Price
4.6
Rating
9.9K
Reviews
2
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
B00TXY32FY
$19.95
4.5 (15.2K)
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
20,000 Units Sold/mo▲ 100.0%
3
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
B01D1YQBOK
$9.98
4.6 (27.4K)
Nature's Trove L-Theanine 200mg 120 Vegetarian Capsules
20,000 Units Sold/mo▲ 100.0%
4
Integrative Therapeutics L-Theanine - Amino Acid Supplement for Stress & Relaxation Support* - Vegan, Gluten-Free & Dairy-Free - Third-Party Tested - 60 Capsules (30 Servings)
B0036H0CV6
$22.00
4.6 (1.6K)
Integrative Therapeutics L-Theanine - Amino Acid Supplement for Stress & Relaxation Support* - Vegan, Gluten-Free & Dairy-Free - Third-Party Tested - 60 Capsules (30 Servings)
10,000 Units Sold/mo▲ 66.7%
5
Nutricost L-Theanine 200mg, 240 Capsules - Double Strength
B0731JC54K
$19.95
4.7 (3K)
Nutricost L-Theanine 200mg, 240 Capsules - Double Strength
10,000 Units Sold/mo▲ 100.0%
10
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
B0797BLW59
$68.00
4.7 (825)
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
6,000 Units Sold/mo▲ 50.0%
View All 136 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the l theanine supplement price landscape, we segmented all 136 tracked listings in Amazon's live "l theanine supplement" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $20.00 ~ $50.00 band is the category's best l theanine supplement price zone, absorbing 52% of the assortment (268 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the l theanine supplement category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 52% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
52%
268 products

Top products in this price tier

#1
B01B3RWQNM
$11.95
30k Units Sold/mo
Unlock Top Performers
#2
$10.00 ~ $20.00
Tier 2
32%
165 products
$50.00 ~ $100.00
Tier 3
9%
47 products
$0.00 ~ $10.00
6%
Unlock to view all price tier distributions and their ASIN sales contributions

"L theanine supplement" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "l theanine supplement" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-07-05 to 2026-07-11, the Amazon USweekly search volume for "l theanine supplement" was approximately 14,267 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #10,400, dropping 158 positions from the previous week. Additionally, the top 3 products for this keyword capture 35.2% of the total click share and 33.7% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

l theanine supplement

ASINSIGHT
Search Frequency Rank
10,400
158
Search Volume
14,267
1.2%
Top 3 Click Share
35.2%
Top 3 Conv. Share
33.7%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
14,267
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJunJul
Multi-Dimensional Data

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