---
title: "Resistant Starch — $218K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/resistant-starch"
last_updated: "2026-08-06T15:34:51.495Z"
locale: en
meta:
description: "Niche score 51/100 · $218K/yr market · 172K searches/yr. A concentrated shelf (top 5 take 72% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $218K/yr market · 172K searches/yr. A concentrated shelf (top 5 take 72% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Resistant Starch — $218K/yr Amazon US Niche (2026) - Flapen"
---
# **resistant starch**
**Worth a look**
Shows low returns (0.1%), but a concentrated shelf (top 5 take 72% of clicks) keeps it on the watch list.
Market size 42Growth 38Conversion 60Competition 23Returns 99Price range 81Avg price 95Brand share 49Review moat 64Quality gap 24
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$24.22**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.03–$54.16**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****926**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****5.2%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$218K**
$218K/yr · 172K searches
**Growth**
**Okay****+10.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, resistant starch is a $218K/yr Amazon United States market (172K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Feb–May–Jun–Jul. Verdict: Worth a look — 51/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **resistant starch market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$194K–$242K**
- units × avg price
- **Conversion rate**
- **5.2%**
- **Avg BSR**
- **#277**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **81%**
- **Out of stock**
- **5.4%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **148 days**
## **Competition & brand share**
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**13 **▲rising
**Sellers**
**598**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**18%**
- DR.CHRISTIANSON18% - Manubolu18% - Dr. Mercola16% - Anthony's14% - Jonnys Good Nature10% - MRM7% - Open — no brand owns it (7 brands, 18%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.3% search growth over the last 90 days.
10K6KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, May, Jun, Jul · busiest ÷ quietest = 7.4×
[**Open Trend **](https://flapen.com/research/us/health-household/resistant-starch/trend)
## **Top resistant starch search terms**
- **resistant starch**65K/yr-18.4%5.4% conv. - **hi maize resistant starch**12K/yr+325.5%2.1% conv. - **hi-maize resistant starch**16K/yr+75.9%2.3% conv. - **resistant starch supplement**22K/yr-34.5%5.0% conv. - **rs2 resistant starch supplement**8K/yr+31.4%3.2% conv. - **hi maize 260 resistant starch**5K/yr>1,000%4.2% conv. - **high amylose maize resistant starch**5K/yr+155.9%4.4% conv. - **hi-maize 260 resistant starch**5K/yr+116.3%3.6% conv. - **resistant starch powder**11K/yr-33.1%5.6% conv. - **resistant starch type 2**3K/yr+115.6%4.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/resistant-starch/search-terms)
## **Top resistant starch 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%$11K10%$22K15%$33K20%$44K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dr. Christianson RS Complete - RS2 Resistant Starch Supplement Powder with Organic Green Banana Flour - Non-GMO + Dairy-Free Fiber Powder Supplement - The Metabolism Reset Diet (30 Servings / 300g)**DR.CHRISTIANSON**$47.08**4.2★196 rev](https://www.amazon.com/dp/B07MQ1MX6K) [2**MANUBOLU Resistant Starch Green Banana Powder 1.1 lb | Prebiotic Fiber | 100% Natural Sugar Free | Gluten Free Paleo & Vegan Superfood | 500g**Manubolu**$21.68**4.4★67 rev](https://www.amazon.com/dp/B0FP62YM98) [3**Dr. Mercola Organic Resistant Starch Complex - Supports Gut & Immune Health - Green Banana Tigernut Flour & Potato - Gluten-Free & Soy-Free - Unflavored - 9.52 oz (30 Servings)**Dr. Mercola**$29.58**4.6★129 rev](https://www.amazon.com/dp/B09L9DTK47) [4**Anthonys Organic Potato Starch Unmodified 2 lb Gluten Free & Non GMO Resistant Starch**Anthony's**$16.77**4.8★2,507 rev](https://www.amazon.com/dp/B06XH6SZVT) [5![Jonnys Good Nature Organic Ultra High Resistant Starch Premium Green Banana Flour | On Average [10xs] More Prebiotic Fiber Per Gram Than Other Green Banana Flours On The Market | 42 Servings](https://m.media-amazon.com/images/I/51jh5LLdppL.jpg)**Jonnys Good Nature Organic Ultra High Resistant Starch Premium Green Banana Flour | On Average \[10xs\] More Prebiotic Fiber Per Gram Than Other Green Banana Flours On The Market | 42 Servings**Jonnys Good Nature**$24.87**4.6★533 rev](https://www.amazon.com/dp/B07MMKQHQG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MANUBOLU Resistant Starch Green Banana Powder 1.1 lb | Prebiotic Fiber | 100% Natural Sugar Free | Gluten Free Paleo & Vegan Superfood | 500g**Manubolu**$21.68**67 rev6mo ago](https://www.amazon.com/dp/B0FP62YM98) [**SAIGONFRUIT Green Banana Powder Natural Resistant Starch High Fiber Tropical Flavor Supplement 794 grams Made in Vietnam**Sài Gòn Fruit**$19.96**8 rev1y ago](https://www.amazon.com/dp/B0F665F27H) [**Nutricost Pantry Organic Potato Starch (2 Pound) - Gluten-Free & Vegan**Nutricost**$14.97**101 rev1y ago](https://www.amazon.com/dp/B0DW5KNC11) [![84 Servings | Jonnys Good Nature Organic Ultra High Resistant Starch Premium Green Banana Flour | On Average [10xs] More Prebiotic Fiber Than Any Other Organic Green Banana Flour On The Market | 100% Natural Organic Prebiotic Resistant Starch Superfood](https://m.media-amazon.com/images/I/41cwgCehNPL.jpg)**84 Servings | Jonnys Good Nature Organic Ultra High Resistant Starch Premium Green Banana Flour | On Average \[10xs\] More Prebiotic Fiber Than Any Other Organic Green Banana Flour On The Market | 100% Natural Organic Prebiotic Resistant Starch Superfood**Jonnys Good Nature**$40.03**34 rev3y ago](https://www.amazon.com/dp/B0C7D32897) [**4 LB Organic Green Banana Powder - Superfood Prebiotic Resistant Starch for Smoothies - High Fiber Flour Alternative for Baking**Blue Orchid Organic**$54.16**33 rev3y ago](https://www.amazon.com/dp/B0BTD4JH8V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MANUBOLU Resistant Starch Green Banana Powder 1.1 lb | Prebiotic Fiber | 100% Natural Sugar Free | Gluten Free Paleo & Vegan Superfood | 500g**Manubolu**$21.68**4.4★**▲ 69%**](https://www.amazon.com/dp/B0FP62YM98) [**SAIGONFRUIT Green Banana Powder Natural Resistant Starch High Fiber Tropical Flavor Supplement 794 grams Made in Vietnam**Sài Gòn Fruit**$19.96**4.9★**▲ 55%**](https://www.amazon.com/dp/B0F665F27H) [**Anthonys Organic Potato Starch Unmodified 5 lb Gluten Free & Non GMO Resistant Starch**Anthony's**$27.63**4.8★**▲ 49%**](https://www.amazon.com/dp/B00J835GAY) [**MRM Organic Green Banana Powder Superfood - Prebiotic Fiber - 40 Servings**MRM**$16.99**4.4★**▲ 49%**](https://www.amazon.com/dp/B07M7X9MMS) [**Nutricost Pantry Organic Potato Starch (2 Pound) - Gluten-Free & Vegan**Nutricost**$14.97**4.8★**▲ 20%**](https://www.amazon.com/dp/B0DW5KNC11)
**~~View all trending →~~**
## **What buyers say about resistant starch**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**32%
*“Reliable Product”*
**Nutritional Content**8%
*“Easy use and nutrients”*
**Value For Money**8%
*“Great value”*
**Taste-Overall**7%
*“Clean taste”*
**Advertised Vs Actual Product**6%
*“Works as advertised”*
**Vegan/Organic**5%
*“I chose this potato starch for its' gut health and organic benefits”*
**Flavor**5%
*“the flavor is so good”*
**Solubility**4%
*“It dissolves pretty well in the water”*
**Ease Of Use**3%
*“Easy peasy”*
**Baking**2%
*“This potato starch works well for baking and cooking”*
### **What buyers complain about **
**Taste-Overall**20%
*“Very mild taste”*
**Value For Money**10%
*“a little expensive”*
**Quality-Overall**8%
*“lowest quality closure bags”*
**Flavor**5%
*“Slight flavor of Macha tea”*
**Nutritional Content**5%
*“that directly contradicts the product's core health claim of delivering Type 2 resistant starch”*
**Regulates Digestion**5%
*“Went to gastro due to prolonged constipation”*
**Natural Ingredients**4%
*“Natural products are in general, hit and miss”*
**Acid Regulator/Stomach Ache Relief**3%
*“Causes stomach upset”*
**Ease Of Use**2%
*“a condition that is notoriously difficult to treat”*
**Ingredients-Overall**2%
*“Not sure why this product has a known ingrediant. maltodextrin”*
### **Top return reasons **
**Advertised Vs Actual Product**63%
**Size-Overall**11%
**Texture/Consistency-Overall**4%
**Ingredients-Overall**3%
**Value For Money**3%
**Cooking Instructions**3%
**Quality-Overall**3%
**Contamination**3%
**Functionality-Overall**3%
**Certifications**3%
## **Common questions**
- **Is resistant starch profitable to sell on Amazon United States?**
- The niche generates $218K/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +10.3%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the resistant starch niche?**
- 13 brands and 598 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in resistant starch?**
- Top complaints mined from reviews: Taste-Overall, Value For Money, Quality-Overall. The return rate is 0.1%.
- **When does demand for resistant starch peak?**
- Demand peaks in Feb–May–Jun–Jul; the busiest month runs 7.4× the quietest.
- **What does it cost to enter the resistant starch niche?**
- Listings span $7.03–$54.16; the average listing price is $24.22 (sweet spot $15–$100). The average incumbent carries 926 reviews — the moat a new listing must climb.
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