Serotonin Supplement
MaybeAn estimated 0.0% of orders come back. But demand is soft, at -12.3% this quarter, so Serotonin Supplement is a Maybe.
- Flapen Score
- 57 / 100Top 18% of 14,768 Health & Household niches · +8 vs the category median of 4957
- Market size
- $217K/yr139K searches / yr
- 90-day growth
- -12.3%search demand this quarter
- Competition
- 57%top-5 click share · 16 brands · 543 sellers
Flapen Score
Serotonin Supplement against its category
The dotted line is the Health & Household average. Past it, Serotonin Supplement is stronger. Inside it, weaker.
Market
The Serotonin Supplement market on Amazon at a glance
Shoppers on Amazon United States searched for Serotonin Supplement 139K times last year and spent an estimated $217K. The top 5 brands take 61% of clicks. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 4.9% of those searches ended in a purchase.
Shoppers searched for this 139K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.9% of those searches ended in a purchase. Searches in the last 90 days moved -12.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $217K a year.
- Searches, last 12 months
- 139K
- Growth, 90 days vs prior 90
- -12.3%
- Conversion, latest week
- 4.9%
- Market size, estimated
- $217Ka year
- Peak month
- September1.5× the quietest month
- Top search term
- serotonin supplement43K searches a year
02 · Price
A sale here is worth $31.88.
Listings sell for $31.88 on average, from $9.96 to $67.15. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At $31.88 that is $8K to $16K a year per listing.
- Average price
- $31.88inside the $15 to $100 sweet spot
- Price range
- $9.96–$67.15
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $8K–$16K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
71% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.0% of listings are out of stock. The average listing ranks #1,277 within Amino Acids. It carries 2,544 reviews at 4.35 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 100%
- Out of stock, average day
- 5.0%
- Average rank
- #1,277in Amino Acids
- Average rating
- 4.35 starsAmazon United States average 4.42 stars
- Average reviews
- 2,544per listing
- Listings tracked
- 17
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 74 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 74 months
Products
Top Serotonin Supplement 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
Natural Serotonin Supplement - Made in USA Manganese Serotonin & Cortisol Manager - Serotonin Booster Vitamin Supplement for Women with 5-HTP Vitamin B6 B12 GABA L Theanine L Tryptophan - 60 Capsules
- Price
- $26.44
- Rating
- 4.1/5
- Reviews
- 719
- Age
- 4y ago

Serotonin Brain Food - 1250mg L-Tryptophan & 400mg Rhodiola Rosea Supplement - Mood Support Supplement for Stress Relief - Neurotransmitter Support with Magnesium Glycinate & Zinc - 120 Capsules
- Price
- $67.15
- Rating
- 4.3/5
- Reviews
- 1,689
- Age
- 4y ago

5HTP Liquid Drops - More Absorbable and Effective Than 5 HTP Capsules (60 Servings of 50mg 99%+ 5-HTP) Serotonin Supplement for Mood Sleep and Relaxation by Double Wood
- Price
- $9.96
- Rating
- 4.4/5
- Reviews
- 1,251
- Age
- 4y ago

Natrol 5-HTP 100 mg Time Release Helps Support a Balanced Mood 90 Tablets
- Price
- $15.06
- Rating
- 4.6/5
- Reviews
- 3,765
- Age
- 17y 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
Trending
estimated 90-day click momentum
BLIVA Serotonin Supplement - 5-HTP Vitamin B6 B12 L-Theanine L-Tryptophan - Daily Mood & Stress Support for Women & Men - 90 Capsules
- Price
- $19.18
- Rating
- 4.1/5
- Reviews
- 27
- Age
- 4mo ago

brain feed Serotonin Supplements (30) | 1-a-Day Serotonin Mood Support | 5HTP 100mg Per Tablet from Griffonia Seed Extract | Natural Serotonin Booster | 1 Month Supply
- Price
- $11.30
- Rating
- 4.1/5
- Reviews
- 398
- Age
- 7y ago

Serotonin Brain Food - 1250mg L-Tryptophan & 400mg Rhodiola Rosea Supplement - Mood Support Supplement for Stress Relief - Neurotransmitter Support with Magnesium Glycinate & Zinc - 120 Capsules
- Price
- $67.15
- Rating
- 4.3/5
- Reviews
- 1,689
- Age
- 4y ago

Natrol 5-HTP 100 mg Time Release Helps Support a Balanced Mood 90 Tablets
- Price
- $15.06
- Rating
- 4.6/5
- Reviews
- 3,765
- Age
- 17y 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
Newest
by launch date
BLIVA Serotonin Supplement - 5-HTP Vitamin B6 B12 L-Theanine L-Tryptophan - Daily Mood & Stress Support for Women & Men - 90 Capsules
- Price
- $19.18
- Rating
- 4.1/5
- Reviews
- 27
- Age
- 4mo ago

Seeking Health Serotonin Nutrients Supports Healthy Sleep 5-HTP Supplement with Vitamin B6 and Saffron Extract Vegan and Vegetarian (60 Capsules)
- Price
- $44.58
- Rating
- 4.8/5
- Reviews
- 15
- Age
- 2y 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

Serotonin Brain Food - 1250mg L-Tryptophan & 400mg Rhodiola Rosea Supplement - Mood Support Supplement for Stress Relief - Neurotransmitter Support with Magnesium Glycinate & Zinc - 120 Capsules
- Price
- $67.15
- Rating
- 4.3/5
- Reviews
- 1,689
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 rising
Sellers
543
Est. top-5 brand share
61%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 100%
Open market
33%
- TWINLEAF NUTRITION21%
- NATURAL STACKS17%
- Double Wood Supplements11%
- Natrol6%
- Clean Nutraceuticals6%
- THORNE6%
Demand
Serotonin Supplement search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Serotonin Supplement search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- serotonin supplement43K/yr
- serotonin38K/yr
- serotonin booster11K/yr
- seratonin6K/yr
- serotonin supplements for women15K/yr
- serotonin mood support5K/yr
- serotonin supplements4K/yr
- serotonina3K/yr
- serotonin brain food3K/yr
- serotonin supplements for men7K/yr
Reviews and returns
What reviews say buyers love and hate about Serotonin Supplement
We read the reviews and the return reasons for every product selling here.
“This did not help me sleep what so ever”
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.
16 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 Serotonin Supplement 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









