L Theanine 100 Mg
MaybeAn estimated 0.0% of orders come back. But demand is soft, at -3.2% this quarter, so L Theanine 100 Mg is a Maybe.
- Flapen Score
- 53 / 100Top 32% of 14,768 Health & Household niches · +4 vs the category median of 4953
- Market size
- $492K/yr197K searches / yr
- 90-day growth
- -3.2%search demand this quarter
- Competition
- 65%top-5 click share · 13 brands · 541 sellers
Flapen Score
L Theanine 100 Mg against its category
The dotted line is the Health & Household average. Past it, L Theanine 100 Mg is stronger. Inside it, weaker.
Market
The L Theanine 100 Mg market on Amazon at a glance
Shoppers on Amazon United States searched for L Theanine 100 Mg 197K times last year and spent an estimated $492K. The top 5 brands take 82% of clicks. Demand peaks in Jun–Jul. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 13.1% of those searches ended in a purchase.
Shoppers searched for this 197K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.1% of those searches ended in a purchase. Searches in the last 90 days moved -3.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $492K a year.
- Searches, last 12 months
- 197K
- Growth, 90 days vs prior 90
- -3.2%
- Conversion, latest week
- 13.1%
- Market size, estimated
- $492Ka year
- Peak month
- July3.0× the quietest month
- Top search term
- l theanine 100 mg45K searches a year
02 · Price
A sale here is worth $19.08.
Listings sell for $19.08 on average, from $9.86 to $62.51. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 1,250 to 1,500 of them. At $19.08 that is $24K to $29K a year per listing.
- Average price
- $19.08inside the $15 to $100 sweet spot
- Price range
- $9.86–$62.51
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 25K–30K
- Units per listing a year
- 1,250–1,500
- Revenue per listing a year
- $24K–$29K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
65% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #824 within Vitamin B. It carries 4,661 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 65%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #824in Vitamin B
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 4,661per listing
- Listings tracked
- 17
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 68 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 68 months
Products
Top L Theanine 100 Mg products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NOW Foods Supplements L-Theanine 100 mg with Decaf Green Tea Stress Management* 90 Veg Capsules
- Price
- $12.42
- Rating
- 4.6/5
- Reviews
- 2,802
- Age
- 20y ago

NOW Foods L-Theanine Double Strength 200 mg Per Cap - 180 Veg Capsules - Enhanced with 100mg Inositol - Vegetarian Non-GMO - Ltheanine 200mg Supplement
- Price
- $29.97
- Rating
- 4.8/5
- Reviews
- 854
- Age
- 3y ago

NOW Foods Supplements L-Theanine 200 mg with Inositol Stress Management* 60 Veg Capsules
- Price
- $14.43
- Rating
- 4.7/5
- Reviews
- 7,357
- Age
- 22y ago

NOW Foods Supplements L-Theanine 200 mg with Inositol Stress Management* 120 Veg Capsules
- Price
- $21.29
- Rating
- 4.7/5
- Reviews
- 7,357
- Age
- 12y ago

Integrative Therapeutics L-Theanine - Amino Acid Supplement for Stress & Relaxation Support* - Vegan Gluten-Free & Dairy-Free - Third-Party Tested - 60 Capsules (30 Servings)
- Price
- $21.08
- Rating
- 4.6/5
- Reviews
- 1,626
- Age
- 18y ago
Trending
estimated 90-day click momentum
NOW Foods Supplements L-Theanine 200 mg with Inositol Stress Management* 120 Veg Capsules
- Price
- $21.29
- Rating
- 4.7/5
- Reviews
- 7,357
- Age
- 12y ago

Pure Encapsulations L-Theanine - Amino Acid Supplement to Support Relaxation Stress & Nervous System* - 60 Capsules
- Price
- $62.51
- Rating
- 4.7/5
- Reviews
- 920
- Age
- 18y ago

Integrative Therapeutics L-Theanine - Amino Acid Supplement for Stress & Relaxation Support* - Vegan Gluten-Free & Dairy-Free - Third-Party Tested - 60 Capsules (30 Servings)
- Price
- $21.08
- Rating
- 4.6/5
- Reviews
- 1,626
- Age
- 18y ago

Healthy Origins L-Theanine AlphaWave 100 mg 180 Veggie Caps
- Price
- $19.85
- Rating
- 4.7/5
- Reviews
- 250
- Age
- 9y ago

Nutricost L-Theanine 200mg 120 Capsules Double Strength Gluten Free
- Price
- $11.91
- Rating
- 4.6/5
- Reviews
- 9,985
- Age
- 10y ago
Newest
by launch date
NOW Foods L-Theanine Double Strength 200 mg Per Cap - 180 Veg Capsules - Enhanced with 100mg Inositol - Vegetarian Non-GMO - Ltheanine 200mg Supplement
- Price
- $29.97
- Rating
- 4.8/5
- Reviews
- 854
- Age
- 3y ago

SOS L-Theanine Brain Support Focus Supplement 100mg 120 Count
- Price
- $12.61
- Rating
- 4.4/5
- Reviews
- 238
- Age
- 5y ago

Whole Foods Market L-Theanine 100 MCG 60 CT
- Price
- $13.26
- Rating
- 4.5/5
- Reviews
- 209
- Age
- 8y ago

PureFormulas L Theanine Supplement 100 mg L-Theanine Supports Stress Levels Relaxed State Mood Sleep Dairy Free Soy Free Non-GMO 60 Vegetarian Capsules
- Price
- $15.79
- Rating
- 4.4/5
- Reviews
- 96
- Age
- 9y ago

Healthy Origins L-Theanine AlphaWave 100 mg 180 Veggie Caps
- Price
- $19.85
- Rating
- 4.7/5
- Reviews
- 250
- Age
- 9y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 65% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 rising
Sellers
541
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
65%
Top 20: 100%
Open market
15%
- NOW Foods61%
- Integrative Therapeutics6%
- Jarrow Formulas6%
- Nutricost5%
- Life Extension4%
- 365 by Whole Foods Market3%
- Open — no brand owns it (7 brands, 15%)
Demand
L Theanine 100 Mg search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jun, Jul · busiest ÷ quietest = 3.0×
Search terms
Top L Theanine 100 Mg search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- l theanine 100 mg45K/yr
- l-theanine 100 mg41K/yr
- now l theanine23K/yr
- l theanine 100mg12K/yr
- l theanine now12K/yr
- now foods l-theanine7K/yr
- l-theanine 100mg8K/yr
- now l-theanine 200 mg4K/yr
- now l-theanine7K/yr
- l-theanine now5K/yr
Reviews and returns
What reviews say buyers love and hate about L Theanine 100 Mg
We read the reviews and the return reasons for every product selling here.
“No Results”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common L Theanine 100 Mg questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









