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Spermidine

Fail

The top 5 products take 90% of clicks, so Spermidine is a Fail.

Flapen Score
47
47 / 100
Ranks 1,080 of 2,035 Health & Personal Care niches · −1 vs the category median of 48
Market size
£72K/yr45K searches / yr
90-day growth
-12.5%search demand this quarter
Competition
90%top-5 click share · 7 brands · 8 sellers

Flapen Score

Spermidine against its category

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

47Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Spermidine market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Spermidine 45K times last year and spent an estimated £72K. The top 5 brands take 90% of clicks. Demand peaks in Aug. Flapen scores it 47 out of 100, a Fail.

01 · Demand

9.5% of searches ended in a purchase last week.

Shoppers searched for this 45K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 9.5% of those searches ended in a purchase. Searches in the last 90 days moved -12.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £72K a year.

Searches, last 12 months
45K
Growth, 90 days vs prior 90
-12.5%
Conversion, latest week
9.5%
Market size, estimated
£72Ka year
Peak month
August1.9× the quietest month
Top search term
spermidine supplements21K searches a year

02 · Price

A sale here is worth £16.77.

Listings sell for £16.77 on average, from £7.49 to £30.80. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At £16.77 that is £4K to £8K a year per listing.

Average price
£16.77inside the $15 to $100 sweet spot
Price range
£7.49–£30.80
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
4K–5K
Units per listing a year
250–500
Revenue per listing a year
£4K–£8K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

71% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.7% of listings are out of stock. The average listing ranks #1,781 within Combination Multivitamins & Minerals. It carries 139 reviews at 4.33 stars, so a new listing needs social proof before a better product.

Sponsored listings
71%
Prime listings
100%
Out of stock, average day
7.7%
Average rank
#1,781in Combination Multivitamins & Minerals
Average rating
4.33 starsAmazon United Kingdom average 4.36 stars
Average reviews
139per listing
Listings tracked
7

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 36 months on average, so the names here are settling in.

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

Products

Top Spermidine products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 90% of clicks. A locked shelf that new listings rarely crack.

£0£11K£22K£32K£43K101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

8

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

5%

  • Vinco Supplements49%
  • Pure: Vitality17%
  • Nutra Science9%
  • vitabay9%
  • Time Health6%
  • Youth & Earth5%
  • Open — no brand owns it (1 brand, 5%)

Demand

Spermidine search demand

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

2K2KSpike '24Spike '25Prime Day '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Aug · busiest ÷ quietest = 1.9×

Search terms

Top Spermidine search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • spermidine supplements21K/yr
  • spermidine20K/yr
  • spermidine supplements for men4K/yr

Reviews and returns

What reviews say buyers love and hate about Spermidine

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Quality-Overall50%−0.07

Not great quality

Natural Ingredients25%

the synthetic version has not been proven to provide the named effects of the natural product

Advertised Vs Actual Product25%−0.12

Misleading info, not wheat germ extract

Love

Quality-Overall36%−0.07

Good quality

great product

I have no complaints

Value For Money18%+2.08

Value for money

Good value

Good priced product

Nutritional Content11%+0.99

My metabolism is faster

very good supplement

Im happy with this supplement overall

Hair Growth10%+1.24

My hair is growing soooo quickly

great for hair growth

Ease Of Use7%+0.03

The capsules are easy to take

its super easy on the system

The pill is very easy to take

FAQ

Common Spermidine questions

Answered from the same tracked data.