---
title: "L Theanine Gummy — $34K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/l-theanine-gummy"
last_updated: "2026-08-12T15:08:05.623Z"
locale: en
meta:
description: "Amazon product research for l theanine gummy: $34K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for l theanine gummy: $34K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "L Theanine Gummy — $34K/mo Amazon US Product Research (2026)"
---
# **L Theanine Gummy**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 56Growth 27Conversion 82Competition 73Returns 100Price range 78Avg price 88Brand share 87Review moat 42Quality gap 48
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.16**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Conversion**
**Great****8.6%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$7.35–$44.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****41%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Good****$405K**
$405K/yr · 233K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,300.27**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+1.8%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
## **Is l theanine gummy profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, l theanine gummy is a $405K/yr Amazon United States market (233K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Sep. Verdict: Worth a look — 65/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **l theanine gummy market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$302K–$403K**
- units × avg price
- **Conversion rate**
- **8.6%**
- **Avg BSR**
- **#2,439**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **2.3%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **158 days**
## **Competition: brands, sellers & click share**
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**31 **▲rising
**Sellers**
**642**
**Top-5 brand share**
**48%**
Top 20: 92%
**Top-5 click share**
**41%**
Top 20: 87%
**Open market**
**45%**
- Nature Made15% - OLLY11% - GrnLife9% - HUUAYAO8% - FloHydro7% - kindnature7%
## **l theanine gummy demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +1.8% search growth over the last 90 days.
50K30KSpike '24Black Friday '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Sep · busiest ÷ quietest = 7.7×
[**Open Trend **](https://flapen.com/research/us/health-household/l-theanine-gummy/trend)
## **Top l theanine gummy search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **l theanine gummies**133K/yr-1.6%7.0% conv. - **l-theanine gummies**44K/yr+12.4%6.8% conv. - **ltheanine gummies**13K/yr+17.7%6.9% conv. - **l theanine gummy**10K/yr+28.4%3.9% conv. - **theanine gummies**12K/yr-31.3%8.1% conv. - **brain md l theanine gummies**7K/yr+1.3%5.0% conv. - **l theanine gummies for adults**5K/yr+73.2%6.1% conv. - **l theanine supplement gummies**6K/yr-19.3%8.8% conv. - **l.theanine gummies**2K/yr-61.3%7.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/l-theanine-gummy/search-terms)
## **Top l theanine gummy products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$12K6%$24K9%$36K12%$49K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nature Made Chewable L Theanine 200mg L-Theanine Supplement for Stress Relief 50 Chewable Tablets 50 Day Supply**Nature Made**$13.25**4.6★2,023 rev](https://www.amazon.com/dp/B0BX7HP6FB) [2**OLLY Goodbye Stress Gummy GABA L-Theanine Lemon Balm Stress Relief Supplement Berry - 42 Count**OLLY**$11.59**4.4★14,359 rev](https://www.amazon.com/dp/B01M1HYRNJ) [3**GrnLife L-Theanine Gummies for Kids & Adults LTheanine 400mg with Ashwagandha GABA 5HTP L Theanine Supplement for Calm Zzz & Relaxation Support Raspberry Flavor 60 Counts**GrnLife**$17.43**4.6★103 rev](https://www.amazon.com/dp/B0FPL86Z4W) [4**HUUAYAO L-Theanine Gummies 400mg L-Theanine Supplement for Kids & Adults with Ashwagandha GABA 5HTP for Calm Zzz & Relaxation Support Raspberry Flavor 60 Counts**HUUAYAO**$10.68**4.7★47 rev](https://www.amazon.com/dp/B0G114JLZP) [5**FloHydro L-Theanine Gummies | 200mg L Theanine per Serving | 120 Servings | Zero Sugar | 3rd-Party Lab Tested**FloHydro**$30.05**4.9★55 rev](https://www.amazon.com/dp/B0G2SL5C8Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tulvex L-Theanine Calm Gummies 200mg Sugar-Free Liposomal L Theanine Supplement for Brain Relax Zzz Stress Fast-Acting Calm & Mood Support Vitamin B6 Vegan Non-GMO**Tulvex**$23.30**23 rev3mo ago](https://www.amazon.com/dp/B0GWCS3WJD) [**HUUAYAO L-Theanine Gummies 400mg L-Theanine Supplement for Kids & Adults with Ashwagandha GABA 5HTP for Calm Zzz & Relaxation Support Raspberry Flavor 60 Counts**HUUAYAO**$10.68**47 rev6mo ago](https://www.amazon.com/dp/B0G114JLZP) [**GlaGmrry 90 Count | L Theanine Gummies L Theanine Supplement for Adults & Kids w/Ashwagandha Magnesium GABA & 5-HTP Sugar Free Liposomal Formula for Calm Relax zzZ Md & Focus Vegan**GlaGmrry**$20.50**51 rev7mo ago](https://www.amazon.com/dp/B0FZQ85ZDV) [**BrainMD L-Theanine Gummies - Natural Stress Relief Supplement - 60 Count**BRAINMD**$21.96**1 rev8mo ago](https://www.amazon.com/dp/B0BBSTN33Q) [**FloHydro L-Theanine Gummies | 200mg L Theanine per Serving | 120 Servings | Zero Sugar | 3rd-Party Lab Tested**FloHydro**$30.05**55 rev8mo ago](https://www.amazon.com/dp/B0G2SL5C8Y)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Tulvex L-Theanine Calm Gummies 200mg Sugar-Free Liposomal L Theanine Supplement for Brain Relax Zzz Stress Fast-Acting Calm & Mood Support Vitamin B6 Vegan Non-GMO**Tulvex**$23.30**4.4★**▲ 281%**](https://www.amazon.com/dp/B0GWCS3WJD) [**HUUAYAO L-Theanine Gummies 400mg L-Theanine Supplement for Kids & Adults with Ashwagandha GABA 5HTP for Calm Zzz & Relaxation Support Raspberry Flavor 60 Counts**HUUAYAO**$10.68**4.7★**▲ 269%**](https://www.amazon.com/dp/B0G114JLZP) [**BrainMD L-Theanine Gummies - Natural Stress Relief Supplement - 60 Count**BRAINMD**$21.96**5.0★**▲ 230%**](https://www.amazon.com/dp/B0BBSTN33Q) [**Natures Way Quick Calm Gummies Stress-Reducing Gummy with L-Theanine * Fast-Acting Stress Relief Within 30-60 Minutes*(1) with Ashwagandha Vegetarian Mixed Berry Flavored 60 Gummies**Nature's Way**$17.22**4.4★**▲ 196%**](https://www.amazon.com/dp/B0CT937B3W) [**L Theanine Calm Gummies 500mg Sugar-Free Liposomal L-Theanine Supplement w/Safforn Magnesium Glycinate GABA Ashwagandha Algae Omega-3 Vitamin D3 B12 for Brain Calm Relax Mood Zzz 120Cts**LILICARE**$36.52**4.6★**▲ 102%**](https://www.amazon.com/dp/B0FLCX4V4Y)
**~~View all trending →~~**
## **What reviews say buyers love and hate about l theanine gummy**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**16%
*“Helps me sleep”*
**Taste-Overall**14%
*“Taste great and effective for me”*
**Stress/Anxiety**10%
*“Works for stress”*
**Quality-Overall**6%
*“Quality is consistent”*
**Flavor**5%
*“fruity flavor”*
**Soothing Effect**5%
*“It gives me relaxation”*
**Focus Enhancement**4%
*“Helps with focus”*
**Ease Of Use**3%
*“easy to open”*
**Ease Of Chewing/Swallowing**3%
*“soft to chew”*
**Magnesium**3%
*“I love a good magnesium supplement”*
### **What buyers complain about **
**Taste-Overall**18%
*“Bad tasting”*
**Sleep Quality**8%
*“Doesn't help with sleep”*
**Functionality-Overall**6%
*“it didnt help”*
**Stress/Anxiety**4%
*“my anxiety skyrocketed”*
**Ingredients-Overall**3%
*“Tasted like something artificial was in its ingredient”*
**Value For Money**2%
*“Not worth it”*
**Texture/Consistency-Overall**2%
*“Horrible texture”*
**Flavor**2%
*“that is saying a lot because I don't usually like fruit flavored gummies”*
**Ease Of Chewing/Swallowing**2%
*“shudder at the point of swallowing”*
**Artificial Sweeteners**2%
*“I am a bit disappointed in their choice of sweetener”*
### **Top return reasons **
**Functionality-Overall**30%
**Taste-Overall**13%
**Ingredients-Overall**11%
**Flavor**11%
**Moist/Dry**7%
**Value For Money**7%
**Ethical Trade/Fair Trade**4%
**Vitamin**4%
**Advertised Vs Actual Product**4%
**Dilute/Watery**4%
## **Common l theanine gummy questions**
- **Is l theanine gummy profitable to sell on Amazon United States?**
- The niche generates $405K/yr across 37 tracked products. 6 of 14 products launched in the last 360 days are still selling. 90-day search growth is +1.8%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the l theanine gummy niche?**
- 31 brands and 642 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 48% of demand.
- **What do buyers complain about in l theanine gummy?**
- Top complaints mined from reviews: Taste-Overall, Sleep Quality, Functionality-Overall. The return rate is 0.0%.
- **When does demand for l theanine gummy peak?**
- Demand peaks in Sep; the busiest month runs 7.7× the quietest.
- **What does it cost to enter the l theanine gummy niche?**
- Listings span $7.35–$44.10; the average listing price is $20.16 (sweet spot $15–$100). The average incumbent carries 2,300 reviews — the moat a new listing must climb.
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