---
title: "alginate — Niche Verdict: Launch it (65/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/alginate"
last_updated: "2026-07-14T07:25:53.316Z"
locale: en
meta:
  description: "alginate clears our launch bar: a $4.6M/yr market growing +11.2% this quarter with returns at 0.0%."
  "og:description": "alginate clears our launch bar: a $4.6M/yr market growing +11.2% this quarter with returns at 0.0%."
  "og:title": "alginate — Niche Verdict: Launch it (65/100) | Amazon United States - Flapen"
---

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# **alginate**

**Launch it**

A $4.6M/yr market growing +11.2% this quarter with returns at 0.0% — clears our launch bar.

Market size 97Growth 39Conversion 87Competition 21Returns 100Price range 95Avg price 95Brand share 15Review moat 59Quality gap 83

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Market size**

**Incredible****$4.6M**

$4.6M/yr · 1.5M searches

**Avg price**

**Incredible****$30.88**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$17.94–$57.86**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Great****10.0%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****1,122.33**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+11.2%**

90-day search growth — must beat 0% to launch

**Competition**

**Bad****74%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **▲rising

**Sellers**

**22**

**Top-5 brand share**

**94%**

**Open market**

**4%**

- REFLUX GOURMET59% - RefluxRaft25% - Nutritist4% - ASK GRANDPA GOURMET COFFEES4% - HartSpan3% - Generic2% - Open — no brand owns it (2 brands, 4%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$459K20%$919K30%$1.4M40%$1.8M1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![REFLUX GOURMET Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Made with Natural Ingredients 8 Fl. Oz](https://m.media-amazon.com/images/I/31ibmOWf+sL.jpg)**REFLUX GOURMET Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Made with Natural Ingredients 8 Fl. Oz**REFLUX GOURMET**$28.16**4.2★6,040 rev](https://www.amazon.com/dp/B086ZYPWQK) [2![REFLUX GOURMET Mint Chocolate & Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Single Serve 25 Pack](https://m.media-amazon.com/images/I/41aSq3g5PTL.jpg)**REFLUX GOURMET Mint Chocolate & Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Single Serve 25 Pack**REFLUX GOURMET**$32.29**4.3★1,245 rev](https://www.amazon.com/dp/B08Z6HBVJP) [3![RefluxRaft Acid Reflux Therapy with Organic Alginate Pregnancy Safe Fast & Long-Lasting GERD & LPR Support Zero Sugar Gluten-Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle](https://m.media-amazon.com/images/I/31NL7F8NXHL.jpg)**RefluxRaft Acid Reflux Therapy with Organic Alginate Pregnancy Safe Fast & Long-Lasting GERD & LPR Support Zero Sugar Gluten-Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle**RefluxRaft**$32.95**4.1★547 rev](https://www.amazon.com/dp/B0DJ7TXQTW) [4![REFLUX GOURMET Mint Chocolate Rescue Alginate Complex Digestive Support Formula Made with Natural Ingredients 8 Fl. Oz](https://m.media-amazon.com/images/I/41jPFpos5mL.jpg)**REFLUX GOURMET Mint Chocolate Rescue Alginate Complex Digestive Support Formula Made with Natural Ingredients 8 Fl. Oz**REFLUX GOURMET**$28.25**4.3★1,772 rev](https://www.amazon.com/dp/B07NKNL3RJ) [5![RefluxRaft Acid Reflux Therapy with Organic Alginate Rapid & Long Lasting Gerd LPR & Digestion Symptom Support Zero Sugar Gluten Free Low Sodium Lemon Ginger 60 Gel Servings 10 OZ Bottle](https://m.media-amazon.com/images/I/312pA7oinTL.jpg)**RefluxRaft Acid Reflux Therapy with Organic Alginate Rapid & Long Lasting Gerd LPR & Digestion Symptom Support Zero Sugar Gluten Free Low Sodium Lemon Ginger 60 Gel Servings 10 OZ Bottle**RefluxRaft**$32.73**4.0★828 rev](https://www.amazon.com/dp/B09Z2DQPQ7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![HartSpan Khelp All-Natural Reflux Support Premium Alginate Supplement | GERD Heartburn LPR & Acid Reflux | Drug-Free Designed for Daily Use | No Dyes or Flavors | 60 Vegan Capsules](https://m.media-amazon.com/images/I/41TYrChmYrL.jpg)**HartSpan Khelp All-Natural Reflux Support Premium Alginate Supplement | GERD Heartburn LPR & Acid Reflux | Drug-Free Designed for Daily Use | No Dyes or Flavors | 60 Vegan Capsules**HartSpan**$53.27**129 rev8mo ago](https://www.amazon.com/dp/B0FH7HSRLD) [![BTBS Valentines Day Naughty Adult Silicone Molds Sexy Erotic Molds (Large)](https://m.media-amazon.com/images/I/41RCEJndfCL.jpg)**BTBS Valentines Day Naughty Adult Silicone Molds Sexy Erotic Molds (Large)**Generic**$17.94**1 rev2y ago](https://www.amazon.com/dp/B0D9781F2W) [![Refluxter Sodium Alginate Capsules 1000+ mg for Acid Reflux LPR & GERD](https://m.media-amazon.com/images/I/41Po4vjnYML.jpg)**Refluxter Sodium Alginate Capsules 1000+ mg for Acid Reflux LPR & GERD**Nutritist**$29.77**464 rev2y ago](https://www.amazon.com/dp/B0CZDJ1MSK) [![REFLUX GOURMET Berry Soothe Gum Alginate Therapy Sodium Bicarbonate Gum for Acid Reflux Oral Cognitive and Digestive Support Natural with Ginger Celeriac and Aloe Sugar Free Gluten Free Vegan](https://m.media-amazon.com/images/I/41wDpfIQgrL.jpg)**REFLUX GOURMET Berry Soothe Gum Alginate Therapy Sodium Bicarbonate Gum for Acid Reflux Oral Cognitive and Digestive Support Natural with Ginger Celeriac and Aloe Sugar Free Gluten Free Vegan**REFLUX GOURMET**$22.00**676 rev2y ago](https://www.amazon.com/dp/B0CLSCMSR6) [![Reflux Gourmet Tropical Soothe Gum Alginate Therapy Sodium Bicarbonate Gum for Acid Reflux Oral Cognitive and Digestive Support Natural with Ginger Celeriac Aloe Sugar Free Gluten Free Vegan](https://m.media-amazon.com/images/I/31tACSBlgeL.jpg)**Reflux Gourmet Tropical Soothe Gum Alginate Therapy Sodium Bicarbonate Gum for Acid Reflux Oral Cognitive and Digestive Support Natural with Ginger Celeriac Aloe Sugar Free Gluten Free Vegan**REFLUX GOURMET**$21.99**407 rev2y ago](https://www.amazon.com/dp/B0CLSTNLNJ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![REFLUX GOURMET Mint Chocolate Rescue Alginate Complex Digestive Support Formula Made with Natural Ingredients 8 Fl. Oz](https://m.media-amazon.com/images/I/41jPFpos5mL.jpg)**REFLUX GOURMET Mint Chocolate Rescue Alginate Complex Digestive Support Formula Made with Natural Ingredients 8 Fl. Oz**REFLUX GOURMET**$28.25**4.3★**▲ 78%**](https://www.amazon.com/dp/B07NKNL3RJ) [![RefluxRaft Acid Reflux Therapy with Organic Alginate Pregnancy Safe Fast & Long-Lasting GERD & LPR Support Zero Sugar Gluten-Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle](https://m.media-amazon.com/images/I/31NL7F8NXHL.jpg)**RefluxRaft Acid Reflux Therapy with Organic Alginate Pregnancy Safe Fast & Long-Lasting GERD & LPR Support Zero Sugar Gluten-Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle**RefluxRaft**$32.95**4.1★**▲ 47%**](https://www.amazon.com/dp/B0DJ7TXQTW) [![REFLUX GOURMET Mint Chocolate & Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Single Serve 25 Pack](https://m.media-amazon.com/images/I/41aSq3g5PTL.jpg)**REFLUX GOURMET Mint Chocolate & Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Single Serve 25 Pack**REFLUX GOURMET**$32.29**4.3★**▲ 39%**](https://www.amazon.com/dp/B08Z6HBVJP) [![RefluxRaft Acid Reflux Therapy with Organic Alginate Long Lasting Gerd LPR & Digestion Symptom Support Zero Sugar Gluten Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle 2 Pack](https://m.media-amazon.com/images/I/41y6b7j1fEL.jpg)**RefluxRaft Acid Reflux Therapy with Organic Alginate Long Lasting Gerd LPR & Digestion Symptom Support Zero Sugar Gluten Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle 2 Pack**RefluxRaft**$57.86**4.1★**▲ 27%**](https://www.amazon.com/dp/B0DM47B2WS) [![BTBS Valentines Day Naughty Adult Silicone Molds Sexy Erotic Molds (Large)](https://m.media-amazon.com/images/I/41RCEJndfCL.jpg)**BTBS Valentines Day Naughty Adult Silicone Molds Sexy Erotic Molds (Large)**Generic**$17.94**5.0★**▲ 26%**](https://www.amazon.com/dp/B0D9781F2W)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +11.2% search growth over the last 90 days.

35K25KBlack Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 11.5×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Regulates Digestion**13%

*“our digestion feels a little more smoother overall”*

**Taste-Overall**13%

*“GREAT TASTE”*

**Acid Regulator/Stomach Ache Relief**8%

*“Helps with acid reflux”*

**Quality-Overall**7%

*“in general I found it a good supplement”*

**Efficiency**6%

*“Works ok”*

**Flavor**5%

*“Good flavor choices”*

**Sleep Quality**4%

*“it allows me a good night sleep”*

**Ease Of Use**3%

*“I try to keep it handy”*

**Heart Health**3%

*“Seems to help prevent heartburn”*

**Advertised Vs Actual Product**3%

*“Works as stated”*

### **What buyers complain about **

**Regulates Digestion**9%

*“Makes my reflux worse”*

**Functionality-Overall**9%

*“Not effective”*

**Taste-Overall**8%

*“Taste Awful”*

**Value For Money**7%

*“Not worth it”*

**Acid Regulator/Stomach Ache Relief**6%

*“Hurt my stomach”*

**Ease Of Chewing/Swallowing**4%

*“Hard to swallow”*

**Flavor**4%

*“I dont like the vanilla/caramel flavor”*

**Heart Health**3%

*“gave heart burn”*

**Side Effects**3%

*“Made my nauseated”*

**Dosage**2%

*“Dosen't work”*

### **Top return reasons **

**Functionality-Overall**16%

**Taste-Overall**13%

**Ease Of Chewing/Swallowing**11%

**Joint Pain**8%

**Hard Feel**7%

**Dosage**4%

**Ingredients-Overall**4%

**Size-Overall**4%

**Smell**4%

**Vitamin**4%