---
title: "Bladderwrack — $78K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/bladderwrack"
last_updated: "2026-08-06T15:43:21.055Z"
locale: en
meta:
description: "Niche score 51/100 · $78K/yr market · 59K searches/yr · $17.58 avg price. Soft demand (-21.1% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $78K/yr market · 59K searches/yr · $17.58 avg price. Soft demand (-21.1% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bladderwrack — $78K/yr Amazon US Niche (2026) - Flapen"
---
# **bladderwrack**
**Worth a look**
Shows low returns (0.0%), but soft demand (-21.1% this quarter) keeps it on the watch list.
Market size 20Growth 14Conversion 77Competition 56Returns 100Price range 69Avg price 81Brand share 70Review moat 38Quality gap 35
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$17.58**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.5%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****$5.62–$36.07**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,659.9**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$78K**
$78K/yr · 59K searches
**Growth**
**Bad****-21.1%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, bladderwrack is a $78K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Aug. Verdict: Worth a look — 51/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bladderwrack market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$70K–$88K**
- units × avg price
- **Conversion rate**
- **7.5%**
- **Avg BSR**
- **#3,113**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.8%**
- **Avg brand age**
- **63 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**42**
**Top-5 brand share**
**63%**
Top 20: 99%
**Top-5 click share**
**51%**
Top 20: 91%
**Open market**
**31%**
- Starwest Botanicals19% - SOLARAY16% - Halo Naturals12% - Oregon's Wild Harvest10% - HERBAMAMA6% - Clean Nutraceuticals6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.1% search growth over the last 90 days.
2K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/bladderwrack/trend)
## **Top bladderwrack search terms**
- **bladderwrack**39K/yr-21.1%5.9% conv. - **bladderwrack organic**10K/yr-30.2%5.7% conv. - **bladderwrack capsules**6K/yr-6.8%8.7% conv. - **bladderwrack herb**4K/yr-19.3%6.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/bladderwrack/search-terms)
## **Top bladderwrack products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$4K10%$8K15%$12K20%$16K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SOLARAY Bladderwrack 580 mg 100 VegCaps**SOLARAY**$13.74**4.6★1,034 rev](https://www.amazon.com/dp/B00014DJ8U) [2**Halo Naturals Organic Bladderwrack Cut & Sifted 4 Ounces USDA Certified | Resealable Pouch| Packaged in The USA**Halo Naturals**$9.83**4.6★47 rev](https://www.amazon.com/dp/B0F9D9KZT4) [3**Oregons Wild Harvest Bladderwrack Organic Non-GMO pullulan (Plant sourced) Vegan Capsules 90 Count**Oregon's Wild Harvest**$19.33**4.6★830 rev](https://www.amazon.com/dp/B00016XCM6) [4**Starwest Botanicals Dried Bladderwrack Organic Powder - Natural Seaweed Herb Versatile Marine Botanical Certified Kosher Non-GMO - 4 oz Pouch**Starwest Botanicals**$8.98**4.6★1,711 rev](https://www.amazon.com/dp/B008P065P6) [5**Starwest Botanicals Dried Bladderwrack Organic Powder - Natural Seaweed Herb Versatile Marine Botanical Certified Kosher Non-GMO - Bulk 1 lb Bag**Starwest Botanicals**$19.78**4.6★1,711 rev](https://www.amazon.com/dp/B00NO9I6VO)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Oceans Balance Clean Organic Bladderwrack Powder (Fucus vesiculosus) from The Pristine Maine Coast | Vegan LabTested Purity Skin & Digestive Wellness 4 Oz**Ocean's Balance Clean Taste of Maine**$11.81**1 rev10mo ago](https://www.amazon.com/dp/B0FR537XYL) [**Sea Tox Organic Spirulina and Chlorella Capsules Natural Cleansing & Nourishment Sea Moss Bladderwrack Chlorophyll Burdock Root Ashwagandha Turmeric 90 Vegan Black Seed Oil Capsules By Clean Nutra**Clean Nutraceuticals**$22.24**152 rev10mo ago](https://www.amazon.com/dp/B0FQMYP78T) [**Halo Naturals Organic Bladderwrack Cut & Sifted 1 Pound (Fucus vesiculosus) USDA Certified | Resealable Pouch| Packaged in The USA**Halo Naturals**$30.11**47 rev11mo ago](https://www.amazon.com/dp/B0FNY37S5L) [**Clean Nutra Black Seed Oil Capsules + Sea Moss Ashwagandha Burdock Root Bladderwrack Seaweed Skin Detox Stress Relief Immune Support Focus Supplement Nigella Sativa 60 Pills**Clean Nutraceuticals**$12.09**197 rev1y ago](https://www.amazon.com/dp/B0FK3PDJH1) [**Halo Naturals Organic Bladderwrack Cut & Sifted 4 Ounces USDA Certified | Resealable Pouch| Packaged in The USA**Halo Naturals**$9.83**47 rev1y ago](https://www.amazon.com/dp/B0F9D9KZT4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Oceans Balance Clean Organic Bladderwrack Powder (Fucus vesiculosus) from The Pristine Maine Coast | Vegan LabTested Purity Skin & Digestive Wellness 4 Oz**Ocean's Balance Clean Taste of Maine**$11.81**5.0★**▲ 213%**](https://www.amazon.com/dp/B0FR537XYL) [**Clean Nutra Black Seed Oil Capsules + Sea Moss Ashwagandha Burdock Root Bladderwrack Seaweed Skin Detox Stress Relief Immune Support Focus Supplement Nigella Sativa 60 Pills**Clean Nutraceuticals**$12.09**4.4★**▲ 161%**](https://www.amazon.com/dp/B0FK3PDJH1) [**Halo Naturals Organic Bladderwrack Cut & Sifted 1 Pound (Fucus vesiculosus) USDA Certified | Resealable Pouch| Packaged in The USA**Halo Naturals**$30.11**4.6★**▲ 120%**](https://www.amazon.com/dp/B0FNY37S5L) [**VITAMINSEA Bladderwrack Dried Seaweed | Wild North Atlantic Seaweed for Snacking Seasoning Soups & Salads | Rich in Vitamins Minerals & Antioxidants Perfect for Thyroid Support | Whole Leaf (4 oz)**VITAMINSEA**$20.10**4.4★**▲ 97%**](https://www.amazon.com/dp/B01ELOUC30) [**Sea Tox Organic Spirulina and Chlorella Capsules Natural Cleansing & Nourishment Sea Moss Bladderwrack Chlorophyll Burdock Root Ashwagandha Turmeric 90 Vegan Black Seed Oil Capsules By Clean Nutra**Clean Nutraceuticals**$22.24**4.5★**▲ 37%**](https://www.amazon.com/dp/B0FQMYP78T)
**~~View all trending →~~**
## **What buyers say about bladderwrack**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Quality and easy to take with no issues”*
**Taste-Overall**12%
*“No weird flavor or after taste”*
**Energy Level**8%
*“Has improved my energy”*
**Vitamin**8%
*“I love these vitamins that make me feel healthy”*
**Efficiency**7%
*“Effective”*
**Value For Money**6%
*“Great deal”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Ease Of Chewing/Swallowing**3%
*“its chewable”*
**Ingredients-Overall**3%
*“I was told by my physician that the ingredients are all very healthy”*
**Regulates Digestion**2%
*“Helps with digestion, constipation”*
### **What buyers complain about **
**Dosage**7%
*“Dosages are too low”*
**Taste-Overall**7%
*“Tastes like fish”*
**Functionality-Overall**6%
*“Didn't work for me”*
**Value For Money**5%
*“Not worth the money”*
**Side Effects**4%
*“But this month I started experiencing UTI symptoms and was confused”*
**Allergies**3%
*“I may be allergic to something in it mildly”*
**Advertised Vs Actual Product**3%
*“Does not reflect the advertisement”*
**Sleep Quality**3%
*“I dont sleep well at night”*
**Nutritional Content**3%
*“make your own again these isn't use for taste those nutrients”*
**Visibility**3%
*“Didn't see or feel a difference”*
### **Top return reasons **
**Inflammation**25%
**Advertised Vs Actual Product**25%
**Moist/Dry**25%
**Hard Feel**13%
**Ease Of Chewing/Swallowing**13%
## **Common questions**
- **Is bladderwrack profitable to sell on Amazon United States?**
- The niche generates $78K/yr across 30 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -21.1%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the bladderwrack niche?**
- 22 brands and 42 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in bladderwrack?**
- Top complaints mined from reviews: Dosage, Taste-Overall, Functionality-Overall. The return rate is 0.0%.
- **When does demand for bladderwrack peak?**
- Demand peaks in Aug; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the bladderwrack niche?**
- Listings span $5.62–$36.07; the average listing price is $17.58 (sweet spot $15–$100). The average incumbent carries 2,660 reviews — the moat a new listing must climb.
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