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Sea Kelp

Fail

Prices span $3.52–$14.89, mostly outside the sweet spot, so Sea Kelp is a Fail.

Flapen Score
40
40 / 100
Ranks 1,670 of 2,035 Health & Personal Care niches · −8 vs the category median of 48
Market size
£79K/yr66K searches / yr
90-day growth
-16.7%search demand this quarter
Competition
79%top-5 click share · 13 brands · 26 sellers

Flapen Score

Sea Kelp against its category

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

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Sea Kelp market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Sea Kelp 66K times last year and spent an estimated £79K. The top 5 brands take 79% of clicks. Flapen scores it 40 out of 100, a Fail.

01 · Demand

An estimated 13.5% of those searches ended in a purchase.

Shoppers searched for this 66K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.5% of those searches ended in a purchase. Searches in the last 90 days moved -16.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £79K a year.

Searches, last 12 months
66K
Growth, 90 days vs prior 90
-16.7%
Conversion, latest week
13.5%
Market size, estimated
£79Ka year
Peak month
October1.3× the quietest month
Top search term
sea kelp23K searches a year

02 · Price

A sale here is worth £8.93.

Listings sell for £8.93 on average, from £3.52 to £14.89. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At £8.93 that is £4K to £7K a year per listing.

Average price
£8.93under the $15 to $100 sweet spot
Price range
£3.52–£14.89
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
500–750
Revenue per listing a year
£4K–£7K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

85% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.9% of listings are out of stock. The average listing ranks #92 within Combination Multivitamins & Minerals. It carries 733 reviews at 4.57 stars, so a new listing needs social proof before a better product.

Sponsored listings
85%
Prime listings
100%
Out of stock, average day
5.9%
Average rank
#92in Combination Multivitamins & Minerals
Average rating
4.57 starsAmazon United Kingdom average 4.36 stars
Average reviews
733per listing
Listings tracked
13

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 70 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
70 months

Products

Top Sea Kelp 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 79% of clicks. A locked shelf that new listings rarely crack.

£0£8K£16K£24K£32K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 falling

Sellers

26

Est. top-5 brand share

79%

Top 20: 100%

Est. top-5 click share

79%

Top 20: 100%

Open market

17%

  • PH PROWISE Healthcare28%
  • Natures Aid21%
  • Horbäach19%
  • INNOPURE5%
  • ALPHA015%
  • Nutravita5%
  • Open — no brand owns it (7 brands, 17%)

Demand

Sea Kelp search demand

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

2K1KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Sea Kelp search terms shoppers use

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

  • sea kelp23K/yr
  • kelp18K/yr
  • sea kelp tablets15K/yr
  • kelp tablets11K/yr

Reviews and returns

What reviews say buyers love and hate about Sea Kelp

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Quality-Overall”
42%of negative reviews mention “Ingredients-Overall”
0.1%of orders come back
“problem ingredients”
A buyer, on “Ingredients-Overall”42% 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.

16 topics

NegativePositive

FAQ

Common Sea Kelp 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