---
title: "Insoluble Fiber Supplement — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/insoluble-fiber-supplement"
last_updated: "2026-08-12T11:15:38.826Z"
locale: en
meta:
description: "Amazon product research for insoluble fiber supplement: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for insoluble fiber supplement: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Insoluble Fiber Supplement — Amazon US Product Research"
---
# **Insoluble Fiber Supplement**
**Skip it**
A small market ($36K/yr) — this niche doesn't clear our bar today.
Market size 9Growth 64Conversion 24Competition 15Returns 100Price range 92Avg price 95Brand share 32Review moat 39Quality gap 50
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$24.34**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.85–$44.57**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+42.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,634.7**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$36K**
$36K/yr · 76K searches
## **Is insoluble fiber supplement profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, insoluble fiber supplement is a $36K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 45/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **insoluble fiber supplement market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$61K–$73K**
- units × avg price
- **Conversion rate**
- **1.9%**
- **Avg BSR**
- **#186**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **70%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **161 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**10%**
- Garden of Life65% - Anthony's6% - Micro Ingredients5% - Physician's CHOICE5% - Vital Nutrients5% - Metamucil4% - Open — no brand owns it (3 brands, 10%)
## **insoluble fiber supplement demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +42.8% search growth over the last 90 days.
3K2KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/health-household/insoluble-fiber-supplement/trend)
## **Top insoluble fiber supplement search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **fiber blend**11K/yr+12.6%1.1% conv. - **garden of life super seed beyond fiber**5K/yr+38.0%8.7% conv. - **insoluble fiber powder**7K/yr-30.2%2.7% conv. - **garden of life detoxifiber**4K/yr+61.7%3.9% conv. - **detoxifiber garden of life**4K/yr+63.2%3.8% conv. - **super seed beyond fiber**4K/yr+81.4%2.8% conv. - **super seed garden of life**4K/yr+82.3%2.4% conv. - **fibra insoluble**4K/yr+72.7%0.1% conv. - **garden of life super seeds**4K/yr+86.9%0.6% conv. - **garden of life detox fiber**4K/yr+94.3%2.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/insoluble-fiber-supplement/search-terms)
## **Top insoluble fiber supplement products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$5K30%$11K45%$16K60%$22K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Garden of Life Super Seed Unflavored Fiber Powder Whole Food Fiber Dietary Supplement with Protein and Omega 3 Vegetarian 600g Powder**Garden of Life**$20.10**4.4★2,562 rev](https://www.amazon.com/dp/B000GWG7TK) [2**Garden of Life Organic DetoxiFiber Unflavored Fiber Powder Detox Blend with Chia Alfalfa and Barley for Gut Health Support Gluten Free Psyllium Free Vegan 30 Servings**Garden of Life**$17.34**4.2★1,675 rev](https://www.amazon.com/dp/B0010WD338) [3**Anthonys Organic Oat Fiber 1.5 lb Gluten Free Non GMO Keto Friendly Product of the USA**Anthony's**$13.85**4.7★10,435 rev](https://www.amazon.com/dp/B01KIJ7JGA) [4**Micro Ingredients Organic Triple Fiber Powder 2lb | Natural Prebiotic to Support Digestive & Gut Health | Soluble Easily Digestible | Unflavored Vegan**Micro Ingredients**$36.24**4.2★3,007 rev](https://www.amazon.com/dp/B07RG8M2XB) [5**Physicians CHOICE Easy Mix Fiber for GLP-1 Support - No Grit & Sugar Free - Daily Prebiotic Soluble Fiber Powder Supplement - Digestive Health & Regularity - for Women and Men - Unflavored - 7.1oz**Physician's CHOICE**$21.53**4.4★1,689 rev](https://www.amazon.com/dp/B0FTTGT6M7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Physicians CHOICE Easy Mix Fiber for GLP-1 Support - No Grit & Sugar Free - Daily Prebiotic Soluble Fiber Powder Supplement - Digestive Health & Regularity - for Women and Men - Unflavored - 7.1oz**Physician's CHOICE**$21.53**1,689 rev9mo ago](https://www.amazon.com/dp/B0FTTGT6M7) [**Metamucil Fiber Supplement Unflavored Clear Mixing Powder No Grit No Sugar Added Plant Based Prebiotic Fiber Supplement Blend for Daily Digestive Health 75 teaspoons**Metamucil**$23.57**2,401 rev2y ago](https://www.amazon.com/dp/B0CZSFWZMH) [**Micro Ingredients Organic Triple Fiber Powder 2lb | Natural Prebiotic to Support Digestive & Gut Health | Soluble Easily Digestible | Unflavored Vegan**Micro Ingredients**$36.24**3,007 rev7y ago](https://www.amazon.com/dp/B07RG8M2XB) [**The Vitamin Shoppe Fiber Blend Natural Source Insoluble and (600 Capsules)**The Vitamin Shoppe**$44.57**158 rev8y ago](https://www.amazon.com/dp/B07F6BTNCN) [**NOW Foods Supplements Prebiotic Fiber with Fibersol-2 derived from Non-GMO corn Powder 12-Ounce**NOW Foods**$13.90**547 rev8y ago](https://www.amazon.com/dp/B077T2MYK5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**The Vitamin Shoppe Fiber Blend Natural Source Insoluble and (600 Capsules)**The Vitamin Shoppe**$44.57**4.6★**▲ 89%**](https://www.amazon.com/dp/B07F6BTNCN) [**Tomorrows Nutrition Sunfiber Prebiotic Fiber Supplement for Digestive Health GLP-1 Friendly Low FODMAP Gluten-Free Unflavored 30 Servings**Tomorrow's Nutrition**$24.67**4.6★**▲ 82%**](https://www.amazon.com/dp/B00GYHWJRA) [**NOW Foods Supplements Prebiotic Fiber with Fibersol-2 derived from Non-GMO corn Powder 12-Ounce**NOW Foods**$13.90**4.6★**▲ 33%**](https://www.amazon.com/dp/B077T2MYK5) [**Physicians CHOICE Easy Mix Fiber for GLP-1 Support - No Grit & Sugar Free - Daily Prebiotic Soluble Fiber Powder Supplement - Digestive Health & Regularity - for Women and Men - Unflavored - 7.1oz**Physician's CHOICE**$21.53**4.4★**▲ 21%**](https://www.amazon.com/dp/B0FTTGT6M7) [**Garden of Life Super Seed Unflavored Fiber Powder Whole Food Fiber Dietary Supplement with Protein and Omega 3 Vegetarian 600g Powder**Garden of Life**$20.10**4.4★**— 1%**](https://www.amazon.com/dp/B000GWG7TK)
**~~View all trending →~~**
## **What reviews say buyers love and hate about insoluble fiber supplement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“I have found this brand to always be reliable”*
**Solubility**13%
*“Mixes well”*
**Nutritional Content**6%
*“Easy and important supplement”*
**Taste-Overall**6%
*“Doesnt taste bad”*
**Advertised Vs Actual Product**6%
*“As described”*
**Efficiency**5%
*“Works well”*
**Ease Of Use**5%
*“Easy to use”*
**Regulates Digestion**5%
*“improved my digestion”*
**Blend/Ratio**3%
*“No trouble mixing”*
**Value For Money**3%
*“Worth it”*
### **What buyers complain about **
**Taste-Overall**18%
*“It is tasteless”*
**Functionality-Overall**12%
*“Not effective”*
**Value For Money**7%
*“A little expensive”*
**Solubility**5%
*“Does not disolve”*
**Flavor**4%
*“No flavor”*
**Regulates Digestion**4%
*“It definitely gives digestive issues, very distressing”*
**Nutritional Content**2%
*“the fiber isnt good quality”*
**Side Effects**2%
*“Also caused bloating and HORRIBLE GAS”*
**Ingredients-Overall**2%
*“Contains dangerous ingredients”*
**Advertised Vs Actual Product**2%
*“Very deceiving advertising”*
### **Top return reasons **
**Functionality-Overall**20%
**Smell**15%
**Taste-Overall**15%
**Regulates Digestion**10%
**Ingredients-Overall**5%
**Stale/Rotten/Spoiled**5%
**Value For Money**5%
**Solubility**5%
**Acid Regulator/Stomach Ache Relief**5%
**Advertised Vs Actual Product**5%
## **Common insoluble fiber supplement questions**
- **Is insoluble fiber supplement profitable to sell on Amazon United States?**
- The niche generates $36K/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +42.8%. Flapen's verdict: Skip it (45/100).
- **How competitive is the insoluble fiber supplement niche?**
- 9 brands and 27 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in insoluble fiber supplement?**
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Value For Money. The return rate is 0.0%.
- **When does demand for insoluble fiber supplement peak?**
- Demand peaks in Jun–Jul; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the insoluble fiber supplement niche?**
- Listings span $13.85–$44.57; the average listing price is $24.34 (sweet spot $15–$100). The average incumbent carries 2,635 reviews — the moat a new listing must climb.
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