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5htp

Maybe

An estimated 0.1% of orders come back. But demand is soft, at -17.2% this quarter, so 5htp is a Maybe.

Flapen Score
53
53 / 100
Top 29% of 2,035 Health & Personal Care niches · +5 vs the category median of 48
Market size
£339K/yr200K searches / yr
90-day growth
-17.2%search demand this quarter
Competition
71%top-5 click share · 12 brands · 23 sellers

Flapen Score

5htp against its category

The dotted line is the Health & Personal Care average. Past it, 5htp is stronger. Inside it, weaker.

53Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 5htp market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 5htp 200K times last year and spent an estimated £339K. The top 5 brands take 78% of clicks. Flapen scores it 53 out of 100, a Maybe.

01 · Demand

An estimated 12.9% of those searches ended in a purchase.

Shoppers searched for this 200K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.9% of those searches ended in a purchase. Searches in the last 90 days moved -17.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £339K a year.

Searches, last 12 months
200K
Growth, 90 days vs prior 90
-17.2%
Conversion, latest week
12.9%
Market size, estimated
£339Ka year
Peak month
August1.3× the quietest month
Top search term
5htp88K searches a year

02 · Price

A sale here is worth £13.10.

Listings sell for £13.10 on average, from £6.41 to £23.33. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,500 to 2,000 of them. At £13.10 that is £20K to £26K a year per listing.

Average price
£13.10under the $15 to $100 sweet spot
Price range
£6.41–£23.33
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
20K–25K
Units per listing a year
1,500–2,000
Revenue per listing a year
£20K–£26K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

77% 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 #481 within Over-the-Counter Medication. It carries 390 reviews at 4.42 stars, so a new listing needs social proof before a better product.

Sponsored listings
77%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#481in Over-the-Counter Medication
Average rating
4.42 starsAmazon United Kingdom average 4.36 stars
Average reviews
390per listing
Listings tracked
13

04 · Newcomers

0 of last year's 4 launches cleared the first-year sales bar.

4 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 39 months on average, so the names here are settling in.

Launched, last 12 months
4
Successful launches
0Amazon's first-year sales bar
Average brand age
39 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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 71% of clicks. A locked shelf that new listings rarely crack.

£0£34K£68K£102K£135K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 rising

Sellers

23

Est. top-5 brand share

78%

Top 20: 100%

Est. top-5 click share

71%

Top 20: 100%

Open market

17%

  • Nutrivo30%
  • Solgar24%
  • Horbäach9%
  • Lindens9%
  • Vivanta Nutrition7%
  • Nature's Army5%
  • Open — no brand owns it (6 brands, 17%)

Demand

5htp search demand

Weekly searches over the year, seasonality beneath. Pick a range.

7K5KSepDecMarJunAugNovMarMay

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.

  • 5htp88K/yr
  • 5 htp41K/yr
  • 5-htp22K/yr
  • 5htp high strength 1000mg18K/yr
  • 5 htp supplement high strength10K/yr
  • htp 5 high strength6K/yr
  • htp 54K/yr
  • 5htp high strength4K/yr
  • griffonia 5-htp complex4K/yr
  • 5-htp supplement3K/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.

18%of positive reviews mention “Sleep Quality”
9%of negative reviews mention “Sleep Quality”
0.1%of orders come back
“have found no improvement in helping me sleep”
A buyer, on “Sleep Quality”9% of negative reviews mention the same topic

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.

15 topics

NegativePositive

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