5htp
MaybeAn estimated 0.0% of orders come back. But demand is soft, at -5.3% this quarter, so 5htp is a Maybe.
- Flapen Score
- 63 / 100Top 6% of 14,768 Health & Household niches · +14 vs the category median of 4963
- Market size
- $3.0M/yr830K searches / yr
- 90-day growth
- -5.3%search demand this quarter
- Competition
- 59%top-5 click share · 17 brands · 564 sellers
Flapen Score
5htp against its category
The dotted line is the Health & Household average. Past it, 5htp is stronger. Inside it, weaker.
Market
The 5htp market on Amazon at a glance
Shoppers on Amazon United States searched for 5htp 830K times last year and spent an estimated $3.0M. The top 5 brands take 73% of clicks. Flapen scores it 63 out of 100, a Maybe.
01 · Demand
An estimated 15.8% of those searches ended in a purchase.
Shoppers searched for this 830K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 15.8% of those searches ended in a purchase. Searches in the last 90 days moved -5.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $3.0M a year.
- Searches, last 12 months
- 830K
- Growth, 90 days vs prior 90
- -5.3%
- Conversion, latest week
- 15.8%
- Market size, estimated
- $3.0Ma year
- Peak month
- August1.3× the quietest month
- Top search term
- 5htp285K searches a year
02 · Price
A sale here is worth $22.84.
Listings sell for $22.84 on average, from $4.75 to $59.27. Amazon reports units sold in ranges. This niche sold 100K to 125K a year. The average listing sells 6,000 to 8,000 of them. At $22.84 that is $137K to $183K a year per listing.
- Average price
- $22.84inside the $15 to $100 sweet spot
- Price range
- $4.75–$59.27
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 100K–125K
- Units per listing a year
- 6,000–8,000
- Revenue per listing a year
- $137K–$183K
- 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 #160 within Amino Acids. It carries 4,915 reviews at 4.50 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
- #160in Amino Acids
- Average rating
- 4.50 starsAmazon United States average 4.42 stars
- Average reviews
- 4,915per listing
- Listings tracked
- 23
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 67 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
- 67 months
Products
Top 5htp 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 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Nutricost 5-HTP 200mg 120 Vegetarian Capsules (5-Hydroxytryptophan)
- Price
- $16.79
- Rating
- 4.5/5
- Reviews
- 3,818
- Age
- 10y ago

NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 100 mg Neurotransmitter Support* 60 Veg Capsules
- Price
- $9.83
- Rating
- 4.6/5
- Reviews
- 10,850
- Age
- 22y ago

THORNE - 5-HTP - Contains Vitamin B6 - Serotonin Support for Sleep & Stress Management* - 5-Hydroxytryptophan Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 90 Capsules
- Price
- $37.93
- Rating
- 4.5/5
- Reviews
- 1,027
- Age
- 22y ago

NOW Supplements 5-HTP (5-hydroxytryptophan) 100 mg Neurotransmitter Support* 120 Veg Capsules
- Price
- $14.80
- Rating
- 4.6/5
- Reviews
- 10,850
- Age
- 22y ago

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)
- Price
- $23.74
- Rating
- 4.5/5
- Reviews
- 1,320
- Age
- 3y ago
Trending
estimated 90-day click momentum
NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 100 mg Neurotransmitter Support* 60 Veg Capsules
- Price
- $9.83
- Rating
- 4.6/5
- Reviews
- 10,850
- Age
- 22y ago

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
- Price
- $21.70
- Rating
- 4.4/5
- Reviews
- 126
- Age
- 1y ago

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
- Price
- $28.93
- Rating
- 4.4/5
- Reviews
- 262
- Age
- 2y ago

Rave Doctor 5 HTP Supplement - Essential Rave Vitamins for Festival Goers Rave Accessories Festival Essentials Festival Gear Rave Essentials 5htp Supplement
- Price
- $28.42
- Rating
- 4.6/5
- Reviews
- 894
- Age
- 5y ago

NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 30 Veg Capsules
- Price
- $4.75
- Rating
- 4.5/5
- Reviews
- 2,260
- Age
- 19y ago
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
- Price
- $21.70
- Rating
- 4.4/5
- Reviews
- 126
- Age
- 1y ago

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
- Price
- $28.93
- Rating
- 4.4/5
- Reviews
- 262
- Age
- 2y ago

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
- Price
- $36.52
- Rating
- 4.3/5
- Reviews
- 24,587
- Age
- 3y ago

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)
- Price
- $28.04
- Rating
- 4.4/5
- Reviews
- 2,665
- Age
- 3y ago

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)
- Price
- $23.74
- Rating
- 4.5/5
- Reviews
- 1,320
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.
Brands
17 rising
Sellers
564
Est. top-5 brand share
73%
Top 20: 98%
Est. top-5 click share
59%
Top 20: 97%
Open market
22%
- NOW Foods29%
- Nutricost22%
- THORNE10%
- Triquetra Health7%
- DR. EMIL NUTRITION5%
- Natrol5%
Demand
5htp search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top 5htp search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 5htp285K/yr
- 5 htp163K/yr
- 5-htp113K/yr
- 5 htp supplement56K/yr
- 5htp 200mg capsules30K/yr
- htp-515K/yr
- 5-htp supplements28K/yr
- 5htp 100mg29K/yr
- 5 htp plus supplement 200 mg15K/yr
- htp5 supplement20K/yr
Reviews and returns
What reviews say buyers love and hate about 5htp
We read the reviews and the return reasons for every product selling here.
“got worse sleep as a result”
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.
18 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 5htp 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









