Best Selling Theanine Supplement: See Top Product Rankings by Sales Volume & Market Trends
Looking for the most popular 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 "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 theanine supplement market with 30K monthly sales, followed closely by B002D2JYYG with 20K monthly sales and B01D1YQBOK with 20K monthly sales. Meanwhile, ASIN B002D2JYYG 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.
Top Selling Theanine Supplement
As of July 2026, we analyzed 135 tracked products in Amazon's "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 7,000 and 30,000 monthly sales. B01B3RWQNM leads the theanine supplement market with an estimated 30,000 monthly sales, up 2.0% from the previous month.
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength, Gluten Free | GMO-Free
For sellers and category managers benchmarking the theanine supplement price landscape, we segmented all 135 tracked listings in Amazon's live "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 theanine supplement price zone, absorbing 47% of the assortment (135 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 theanine supplement category.
Top 3 Price Tiers
$20.00 ~ $50.00 is the most competitive price tier, containing 47% of tracked products.
Top products in this price tier
"Theanine supplement" Search Volume and Market Trends on Amazon
Amazon keyword search volume data for "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 2026-07-12 to 2026-07-18, the Amazon USweekly search volume for "theanine supplement" was approximately 984 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #191,392, dropping 4,104 positions from the previous week. Additionally, the top 3 products for this keyword capture 30.5% of the total click share and 28.3% of the conversion share, indicating the level of market concentration.
theanine supplement
Search Volume Trend
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