Sea Kelp
prices mostly outside the sweet spot ($3.52–$14.89) — Sea Kelp doesn't clear our bar today.
Flapen Score
Is Sea Kelp profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Sea Kelp is a £79K/yr Amazon United Kingdom market (66K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 40/100.
Sea Kelp: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -16.7% over the last 90 days and 13.5% of searches end in a purchase.
£79K
revenue / yr
Who owns the niche?
The top 5 brands hold 79% of demand, so 21% of the market is open.
21%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.
0/100
page quality · 13 products
Top Sea Kelp products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Sea Kelp 2000mg 200 Vegan Tablets | Natural Source of Iodine | Premium Ingredients | Proudly Made in the UK by Prowise
- Price
- £6.86
- Rating
- 4.5/5
- Reviews
- 511
- Age
- 3y ago
Natures Aid Sea Kelp 187mg 180 Vegan Tablets High Strength Iodine Supplement Supports Thyroid Function & Skin With Calcium Gluten Free Natural Source No Artificial Additives
- Price
- £3.94
- Rating
- 4.5/5
- Reviews
- 995
- Age
- 20y ago
Sea Kelp Tablets 4000mg | Natural Source of Iodine | 3 Months Supply | High Strength Kelp Extract | 180 Vegan Tablets | by Horbaach
- Price
- £6.27
- Rating
- 4.6/5
- Reviews
- 1,483
- Age
- 6y ago
INNOPURE Organic Sea Kelp 500mg Pure-Fill (No Fillers or Binders) 435mcg of Iodine Supplement per Capsule Soil Association Certified UK Made 90 Capsules (3 Month Supply)
- Price
- £13.38
- Rating
- 4.5/5
- Reviews
- 1,037
- Age
- 1y ago
Sea Kelp Extract 2520mg Tablets - 500g Natural Iodine - 180 Vegan Tablets (6 Months Supply) - High Strength 30:1 Ascophyllum Nodosum Extract - Resealable and Recyclable Pouch by Alpha01
- Price
- £6.69
- Rating
- 4.8/5
- Reviews
- 52
- Age
- 6y ago
Trending
90-day click momentum
Organic Kelp Supplement 500mg - 120 Vegan Capsules - G&G Vitamins
- Price
- £8.88
- Rating
- 4.6/5
- Reviews
- 436
- Age
- 13y ago
INNOPURE Organic Sea Kelp 500mg Pure-Fill (No Fillers or Binders) 435mcg of Iodine Supplement per Capsule Soil Association Certified UK Made 90 Capsules (3 Month Supply)
- Price
- £13.38
- Rating
- 4.5/5
- Reviews
- 1,037
- Age
- 1y ago
Sea Kelp Extract 2520mg Tablets - 500g Natural Iodine - 180 Vegan Tablets (6 Months Supply) - High Strength 30:1 Ascophyllum Nodosum Extract - Resealable and Recyclable Pouch by Alpha01
- Price
- £6.69
- Rating
- 4.8/5
- Reviews
- 52
- Age
- 6y ago
Nutrivolv Sea Kelp 2000mg Iodine Supplement - 60 Tablets - Source of Iodine Thyroid Improves Hair Growth Skin & Immune System
- Price
- £3.52
- Rating
- 4.4/5
- Reviews
- 91
- Age
- 4y ago
Natures Aid Sea Kelp 187mg 180 Vegan Tablets High Strength Iodine Supplement Supports Thyroid Function & Skin With Calcium Gluten Free Natural Source No Artificial Additives
- Price
- £3.94
- Rating
- 4.5/5
- Reviews
- 995
- Age
- 20y ago
Newest
by launch dateINNOPURE Organic Sea Kelp 500mg Pure-Fill (No Fillers or Binders) 435mcg of Iodine Supplement per Capsule Soil Association Certified UK Made 90 Capsules (3 Month Supply)
- Price
- £13.38
- Rating
- 4.5/5
- Reviews
- 1,037
- Age
- 1y ago
Sea Kelp Iodine Supplement Complex - 365 Vegan Tablets - 435mcg of Iodine per Tablet - 1 Year Supply - Wild Harvested Seaweed - GMO Free - Made in The UK - Nu U Nutrition
- Price
- £14.34
- Rating
- 4.4/5
- Reviews
- 315
- Age
- 2y ago
Sea Kelp 2000mg 200 Vegan Tablets | Natural Source of Iodine | Premium Ingredients | Proudly Made in the UK by Prowise
- Price
- £6.86
- Rating
- 4.5/5
- Reviews
- 511
- Age
- 3y ago
Sea Kelp 500 mg with Iodine High Strength Vegan Supplement for Thyroid Support and Skin Soil Association Organic and Made in UK 60 Capsules (2 Months Supply)
- Price
- £10.41
- Rating
- 4.7/5
- Reviews
- 43
- Age
- 3y ago
KIKI Health Organic Sea Kelp Iodine Supplement | Thyroid Support Natural Antioxidants | Immunity & Metabolism | Gluten- & GMO-Free 90 Capsules 500mg
- Price
- £14.89
- Rating
- 4.6/5
- Reviews
- 61
- Age
- 4y ago
Competition: brands, sellers & click share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
Brands
13 falling
Sellers
26
Top-5 brand share
79%
Top 20: 100%
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%)
Sea Kelp demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.3×
Top Sea Kelp search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- sea kelp23K/yr
- kelp18K/yr
- sea kelp tablets15K/yr
- kelp tablets11K/yr
What reviews say buyers love and hate about Sea Kelp
What buyers mention most, as a share of all reviews.
What buyers love
82% of reviews“good quality product”
“Great value”
“Easy to swallow”
“Lovely Seaweed”
“I got this for the iodine as it's high strength as it helps to eliminate toxins from the body especially hormones”
What buyers complain about
82% of reviews“problem ingredients”
“I don't know if they will have any effect yet as I have only just started taking them”
“It's too early to tell if it will deliver the Calcium I need”
“Beware high Iodine level for daily consumption”
Sea Kelp return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
0%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Sea Kelp questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
