---
title: "Inulin Fos — $15K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/inulin-fos"
last_updated: "2026-08-12T09:38:18.081Z"
locale: en
meta:
description: "Amazon product research for inulin fos: $15K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for inulin fos: $15K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Inulin Fos — $15K/mo Amazon US Product Research (2026)"
---
# **Inulin Fos**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 37Growth 10Conversion 82Competition 9Returns 100Price range 74Avg price 89Brand share 6Review moat 35Quality gap 28
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.45**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****8.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$9.13–$31.56**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$183K**
$183K/yr · 103K searches
**Review moat**
**Okay****2,955.5**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-30.6%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
## **Is inulin fos profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, inulin fos is a $183K/yr Amazon United States market (103K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 40/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **inulin fos market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **8K–10K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$164K–$205K**
- units × avg price
- **Conversion rate**
- **8.7%**
- **Avg BSR**
- **#218**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **180 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- Micro Ingredients55% - Sprout Living16% - Kidney Restore10% - NOW Foods10% - PURE ORIGINAL INGREDIENTS6% - Nutricost3%
## **inulin fos demand & seasonality**
Weekly Amazon search volume, last 97 weeks — -30.6% search growth over the last 90 days.
10K6KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 13.8×
[**Open Trend **](https://flapen.com/research/us/health-household/inulin-fos/trend)
## **Top inulin fos search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **inulin with fos**62K/yr-46.6%6.9% conv. - **inulin fos**17K/yr-22.1%5.7% conv. - **inulin fos powder**8K/yr+28.3%9.8% conv. - **inulin with fos powder**15K/yr-3.6%9.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/inulin-fos/search-terms)
## **Top inulin fos 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%$27K30%$55K45%$82K60%$110K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Micro Ingredients Organic Inulin FOS Fiber Powder 2.2 lbs | Quick Water-Soluble Prebiotic | Natural Fiber for Smoothies & Drinks | Vegan Friendly Dissolves Clear**Micro Ingredients**$29.92**4.6★5,239 rev](https://www.amazon.com/dp/B074WKCPS4) [2**Sprout Living Organic Inulin with FOS Prebiotic Powder Soluble Fiber for Leaky Gut Bloating Digestion Feed Friendly Bacteria (Probiotics) 1 Scoop Daily 1 lb (90 Servings)**Sprout Living**$19.76**4.7★515 rev](https://www.amazon.com/dp/B075S7M8XN) [3**Micro Ingredients Organic Inulin FOS Fiber Powder 1.1 lb | Quick Water-Soluble Prebiotic | Natural Unflavored Fiber for Yogurt Smoothies & Drinks | Vegan Friendly Dissolves Clear Non-GMO**Micro Ingredients**$19.72**4.6★5,239 rev](https://www.amazon.com/dp/B0FGFJFFBY) [4**Perfect Gut: Inulin FOS Powder for Gut Health. Prebiotic Inulin. Unique Prebiotic 95% FOS Agave Fiber**Kidney Restore**$31.56**4.4★139 rev](https://www.amazon.com/dp/B0DGRFFKWJ) [5**NOW Foods Supplements Inulin Prebiotic Pure Powder Certified Organic Non-GMO Project Verified Intestinal Support* 1-Pound**NOW Foods**$15.92**4.6★5,567 rev](https://www.amazon.com/dp/B07X4LMF6L)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Micro Ingredients Organic Inulin FOS Fiber Powder 1.1 lb | Quick Water-Soluble Prebiotic | Natural Unflavored Fiber for Yogurt Smoothies & Drinks | Vegan Friendly Dissolves Clear Non-GMO**Micro Ingredients**$19.72**5,239 rev1y ago](https://www.amazon.com/dp/B0FGFJFFBY) [**Perfect Gut: Inulin FOS Powder for Gut Health. Prebiotic Inulin. Unique Prebiotic 95% FOS Agave Fiber**Kidney Restore**$31.56**139 rev1y ago](https://www.amazon.com/dp/B0DGRFFKWJ) [**Nutricost Organic Inulin Powder 1LB (454 Grams) Certified USDA Organic**Nutricost**$21.60**1,001 rev5y ago](https://www.amazon.com/dp/B08RRSZ8H6) [**Pure Original Ingredients Inulin FOS Powder (1 lb) Always Pure No Fillers Or Additives Lab Verified**PURE ORIGINAL INGREDIENTS**$16.03**377 rev6y ago](https://www.amazon.com/dp/B07YN6KTLC) [**NOW Foods Supplements Inulin Prebiotic Pure Powder Certified Organic Non-GMO Project Verified Intestinal Support* 1-Pound**NOW Foods**$15.92**5,567 rev6y ago](https://www.amazon.com/dp/B07X4LMF6L)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Micro Ingredients Organic Inulin FOS Fiber Powder 1.1 lb | Quick Water-Soluble Prebiotic | Natural Unflavored Fiber for Yogurt Smoothies & Drinks | Vegan Friendly Dissolves Clear Non-GMO**Micro Ingredients**$19.72**4.6★**▲ 108%**](https://www.amazon.com/dp/B0FGFJFFBY) [**NOW Foods Supplements Inulin Prebiotic Pure Powder Certified Organic Non-GMO Project Verified Intestinal Support* 8-Ounce**NOW Foods**$9.13**4.6★**▲ 37%**](https://www.amazon.com/dp/B000MGSI1K) [**Nutricost Organic Inulin Powder 1LB (454 Grams) Certified USDA Organic**Nutricost**$21.60**4.6★**▲ 26%**](https://www.amazon.com/dp/B08RRSZ8H6) [**Sprout Living Organic Inulin with FOS Prebiotic Powder Soluble Fiber for Leaky Gut Bloating Digestion Feed Friendly Bacteria (Probiotics) 1 Scoop Daily 1 lb (90 Servings)**Sprout Living**$19.76**4.7★**▲ 25%**](https://www.amazon.com/dp/B075S7M8XN) [**Perfect Gut: Inulin FOS Powder for Gut Health. Prebiotic Inulin. Unique Prebiotic 95% FOS Agave Fiber**Kidney Restore**$31.56**4.4★**— 1%**](https://www.amazon.com/dp/B0DGRFFKWJ)
**~~View all trending →~~**
## **What reviews say buyers love and hate about inulin fos**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Solubility**13%
*“The powder mixes well”*
**Quality-Overall**12%
*“Seems to be good quality BUT HIGH FODMAPs”*
**Nutritional Content**10%
*“Good supplement”*
**Regulates Digestion**9%
*“Works to reduce bloating”*
**Taste-Overall**6%
*“Good Taste”*
**Ingredients-Overall**4%
*“It is made with pure ingredients”*
**Efficiency**4%
*“Works well”*
**Vegan/Organic**4%
*“Certified organic AND it's in a round bottle”*
**Sweetness**3%
*“It has a mild sweet flavor”*
**Value For Money**3%
*“Works well and affordable”*
### **What buyers complain about **
**Ingredients-Overall**9%
*“not the bag's ingredients list”*
**Dosage**5%
*“the amount is too much for me”*
**Advertised Vs Actual Product**5%
*“Product and description are different”*
**Side Effects**4%
*“Made me sick”*
**Taste-Overall**4%
*“No taste”*
**Functionality-Overall**3%
*“Doesnt work”*
**Contamination**3%
*“The last two bags, one purchased in 2025, and now 2026, have been contaminated; as my yogurt smells like cow manure”*
**Acid Regulator/Stomach Ache Relief**3%
*“starting in my stomach”*
**Solubility**2%
*“I don't like that it dissolves well in water”*
**Comfort-Overall**2%
*“Feeling Uncomfortable”*
### **Top return reasons **
**Functionality-Overall**40%
**Advertised Vs Actual Product**20%
**Artificial Sweeteners**20%
**Acid Regulator/Stomach Ache Relief**20%
## **Common inulin fos questions**
- **Is inulin fos profitable to sell on Amazon United States?**
- The niche generates $183K/yr across 8 tracked products. 90-day search growth is -30.6%. Flapen's verdict: Skip it (40/100).
- **How competitive is the inulin fos niche?**
- 6 brands and 20 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in inulin fos?**
- Top complaints mined from reviews: Ingredients-Overall, Dosage, Advertised Vs Actual Product. The return rate is 0.0%.
- **When does demand for inulin fos peak?**
- Demand peaks in Oct–Nov; the busiest month runs 13.8× the quietest.
- **What does it cost to enter the inulin fos niche?**
- Listings span $9.13–$31.56; the average listing price is $20.45 (sweet spot $15–$100). The average incumbent carries 2,956 reviews — the moat a new listing must climb.
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