---
title: "5htp — $3.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/5htp"
last_updated: "2026-08-06T16:33:37.639Z"
locale: en
meta:
description: "Niche score 63/100 · $3.0M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 63/100 · $3.0M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "5htp — $3.0M/yr Amazon US Niche (2026) - Flapen"
---
# **5htp**
**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 96Growth 22Conversion 97Competition 43Returns 100Price range 80Avg price 95Brand share 53Review moat 25Quality gap 42
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Incredible****$3.0M**
$3.0M/yr · 830K searches
**Avg price**
**Incredible****$22.84**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$4.75–$59.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,915.43**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-5.3%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 5htp is a $3.0M/yr Amazon United States market (830K searches/yr). The top 5 brands hold 73% of demand. Verdict: Worth a look — 63/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **5htp market data**
- **Units sold / yr**
- **100K–125K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$2.3M–$2.9M**
- units × avg price
- **Conversion rate**
- **15.8%**
- **Avg BSR**
- **#160**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **65%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**564**
**Top-5 brand share**
**73%**
Top 20: 98%
**Top-5 click share**
**59%**
Top 20: 97%
**Open market**
**22%**
- NOW Foods29% - Nutricost22% - THORNE10% - Triquetra Health7% - DR. EMIL NUTRITION5% - Natrol5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.3% search growth over the last 90 days.
25K15KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/5htp/trend)
## **Top 5htp search terms**
- **5htp**285K/yr+1.4%13.5% conv. - **5 htp**163K/yr-5.7%13.2% conv. - **5-htp**113K/yr-7.1%12.1% conv. - **5 htp supplement**56K/yr-14.0%10.3% conv. - **5htp 200mg capsules**30K/yr-9.1%12.2% conv. - **htp-5**15K/yr+103.3%12.7% conv. - **5-htp supplements**28K/yr-15.6%9.5% conv. - **5htp 100mg**29K/yr-15.0%11.5% conv. - **5 htp plus supplement 200 mg**15K/yr-2.4%12.2% conv. - **htp5 supplement**20K/yr-57.5%10.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/5htp/search-terms)
## **Top 5htp products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$150K10%$299K15%$449K20%$599K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nutricost 5-HTP 200mg 120 Vegetarian Capsules (5-Hydroxytryptophan)**Nutricost**$16.79**4.5★3,818 rev](https://www.amazon.com/dp/B07737HBN6) [2**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 100 mg Neurotransmitter Support* 60 Veg Capsules**NOW Foods**$9.83**4.6★10,850 rev](https://www.amazon.com/dp/B0013OXB58) [3**THORNE - 5-HTP - Contains Vitamin B6 - Serotonin Support for Sleep & Stress Management* - 5-Hydroxytryptophan Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 90 Capsules**THORNE**$37.93**4.5★1,027 rev](https://www.amazon.com/dp/B00GDXHBS2) [4**NOW Supplements 5-HTP (5-hydroxytryptophan) 100 mg Neurotransmitter Support* 120 Veg Capsules**NOW Foods**$14.80**4.6★10,850 rev](https://www.amazon.com/dp/B0013OQI1W) [5**Organic 5-HTP - 200 mg | 99% 5HTP Concentration Plus Cofactor Vitamin B6 & Lions Mane | Water Extracted from Organic Griffonia Seeds | Supports Mood Cognition & Sleep (60 Capsules | 30 Servings)**Triquetra Health**$23.74**4.5★1,320 rev](https://www.amazon.com/dp/B0BCMPVJNK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Micro Ingredients 5-HTP 200mg 240 Softgels | Extra Strength 5-Hydroxytryptophan Complex with GABA L-Theanine Vitamin B6 | Highly Bioavailable with Hemp Seed Oil Carrier | Non-GMO**Micro Ingredients**$21.70**126 rev1y ago](https://www.amazon.com/dp/B0FJ477YCV) [**2 Pack 300MG 5-HTP GABA Sleep Supplement Gummies with 200mg L-Theanine Supplement for Brain Mood Stabilizer and Sleep Support Melatonin-Free Omega 3-6-9 for Natural Zzzs Blueberry Flavor**lickshine**$28.93**262 rev2y ago](https://www.amazon.com/dp/B0D2S1MWGW) [**DR. EMIL NUTRITION 200 MG 5-HTP Plus with SAM-e for Mood Stress and Sleep - 5HTP Supplement with Vitamin B6-120 Vegan Capsules 60 Servings**DR. EMIL NUTRITION**$36.52**24,587 rev3y ago](https://www.amazon.com/dp/B0C2WDPP3B) [**Clean Nutraceuticals GABA 750mg 5 HTP 200mg L Tryptophan 500mg L Theanine 200mg Ashwagandha SAM-e L-Glycine - Mood Support Vitamins for Women and Men with L-Tyrosine 5-HTP (5-Hydroxytryptophan)**Clean Nutraceuticals**$28.04**2,665 rev3y ago](https://www.amazon.com/dp/B0BVXY3SMH) [**Organic 5-HTP - 200 mg | 99% 5HTP Concentration Plus Cofactor Vitamin B6 & Lions Mane | Water Extracted from Organic Griffonia Seeds | Supports Mood Cognition & Sleep (60 Capsules | 30 Servings)**Triquetra Health**$23.74**1,320 rev3y ago](https://www.amazon.com/dp/B0BCMPVJNK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 100 mg Neurotransmitter Support* 60 Veg Capsules**NOW Foods**$9.83**4.6★**▲ 52%**](https://www.amazon.com/dp/B0013OXB58) [**Micro Ingredients 5-HTP 200mg 240 Softgels | Extra Strength 5-Hydroxytryptophan Complex with GABA L-Theanine Vitamin B6 | Highly Bioavailable with Hemp Seed Oil Carrier | Non-GMO**Micro Ingredients**$21.70**4.4★**▲ 48%**](https://www.amazon.com/dp/B0FJ477YCV) [**2 Pack 300MG 5-HTP GABA Sleep Supplement Gummies with 200mg L-Theanine Supplement for Brain Mood Stabilizer and Sleep Support Melatonin-Free Omega 3-6-9 for Natural Zzzs Blueberry Flavor**lickshine**$28.93**4.4★**▲ 35%**](https://www.amazon.com/dp/B0D2S1MWGW) [**Rave Doctor 5 HTP Supplement - Essential Rave Vitamins for Festival Goers Rave Accessories Festival Essentials Festival Gear Rave Essentials 5htp Supplement**Rave Doctor**$28.42**4.6★**▲ 35%**](https://www.amazon.com/dp/B08P9VS99Z) [**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 30 Veg Capsules**NOW Foods**$4.75**4.5★**▲ 34%**](https://www.amazon.com/dp/B005P0RY18)
**~~View all trending →~~**
## **What buyers say about 5htp**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**26%
*“better sleep”*
**Stress/Anxiety**11%
*“Very effective at calming stress”*
**Quality-Overall**11%
*“Good Quality”*
**Focus Enhancement**5%
*“Great noticeable support for mood”*
**Vitamin**5%
*“The benefits that this vitamin offers”*
**Value For Money**4%
*“Good product at a good price”*
**Efficiency**4%
*“Effective”*
**Advertised Vs Actual Product**3%
*“Worked as advertised”*
**Taste-Overall**2%
*“Not sugary, just the flavor”*
**Ease Of Chewing/Swallowing**2%
*“The capsules are easy to take”*
### **What buyers complain about **
**Sleep Quality**22%
*“got worse sleep as a result”*
**Side Effects**15%
*“other bad side effects”*
**Functionality-Overall**11%
*“Did not Work for me”*
**Acid Regulator/Stomach Ache Relief**8%
*“SEVERE STOMACH PAIN”*
**Dosage**6%
*“I noticed the dosage of these tablets was higher than other tablets I used before”*
**Value For Money**4%
*“A waste of money”*
**Allergies**3%
*“Causes you to feel irritated and groggy”*
**Stress/Anxiety**3%
*“definitely anxiety inducing”*
**Ingredients-Overall**2%
*“Be careful of ingredients”*
**Size-Overall**1%
*“But the Pills Are Very Large”*
### **Top return reasons **
**Acid Regulator/Stomach Ache Relief**33%
**Functionality-Overall**17%
**Dosage**17%
**Certifications**17%
**Advertised Vs Actual Product**17%
## **Common questions**
- **Is 5htp profitable to sell on Amazon United States?**
- The niche generates $3.0M/yr across 23 tracked products. 90-day search growth is -5.3%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the 5htp niche?**
- 17 brands and 564 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in 5htp?**
- Top complaints mined from reviews: Sleep Quality, Side Effects, Functionality-Overall. The return rate is 0.0%.
- **When does demand for 5htp peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the 5htp niche?**
- Listings span $4.75–$59.27; the average listing price is $22.84 (sweet spot $15–$100). The average incumbent carries 4,915 reviews — the moat a new listing must climb.
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