---
title: "Carb Blocker — $234K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/carb-blocker"
last_updated: "2026-08-10T22:39:10.923Z"
locale: en
meta:
description: "Niche score 60/100 · $234K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · $234K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Carb Blocker — $234K/yr Amazon US Niche (2026) - Flapen"
---
# **carb blocker**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 44Growth 21Conversion 68Competition 47Returns 100Price range 87Avg price 95Brand share 61Review moat 54Quality gap 83
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$24.16**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.22–$49.63**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****1,347.04**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$234K**
$234K/yr · 158K searches
**Growth**
**Bad****-7.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, carb blocker is a $234K/yr Amazon United States market (158K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Aug. Verdict: Worth a look — 60/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **carb blocker market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$242K–$302K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#304**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **54%**
- **Out of stock**
- **6.7%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 94%
**Open market**
**26%**
- Irwin Naturals29% - Maximum Slim16% - Carlyle10% - Pharmaganics8% - Phytoral7% - BioGenetic Laboratories6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.1% search growth over the last 90 days.
6K4KPrime Day '25Spike '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/carb-blocker/trend)
## **Top carb blocker search terms**
- **carb blocker**78K/yr-0.8%6.2% conv. - **carb blockers weight loss and fat blocker**25K/yr-4.6%5.3% conv. - **carb blockers**9K/yr+34.9%6.1% conv. - **fat and carb blocker**9K/yr-42.0%4.2% conv. - **carb and sugar blocker**7K/yr-2.5%4.7% conv. - **bloqueador de carbohidratos**7K/yr-6.2%2.9% conv. - **fat blocker**6K/yr-6.4%2.4% conv. - **carb blockers that work**6K/yr+6.4%7.6% conv. - **carb blocker pills**6K/yr-53.6%6.0% conv. - **carb control**3K/yr-11.9%2.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/carb-blocker/search-terms)
## **Top carb blocker 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%4%$9K8%$19K12%$28K16%$37K101001K10K 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**Maximum Slim Fat & Carb Blocker Pure Kidney Bean Extract for Weight Loss and Appetite Suppressant**Maximum Slim**$18.91**4.4★586 rev](https://www.amazon.com/dp/B00EJPZDT0) [2**Irwin Naturals Maximum Strength 3-in-1 Carb Blocker - Neutralize Carbohydrates Aids Digestion and Metabolism Booster - White Kidney Bean Extract + Chromium + Enzyme Blend - 150 Liquid Soft-Gels**Irwin Naturals**$34.86**4.4★1,323 rev](https://www.amazon.com/dp/B00B7140QQ) [3**Irwin Naturals Maximum Strength 3-in-1 Carb Blocker - Neutralize Carbohydrates Aids Digestion and Metabolism Booster - White Kidney Bean Extract + Chromium + Enzyme Blend - 75 Liquid Soft-Gels**Irwin Naturals**$19.92**4.3★1,158 rev](https://www.amazon.com/dp/B000JL4HJ0) [4**Carlyle White Kidney Bean | 200 Count | Non-GMO & Gluten Free Extract**Carlyle**$11.34**4.3★3,513 rev](https://www.amazon.com/dp/B08VNGSY4N) [5**Pharmaganics Carb & Sugar Blocker - Mega Dose of Berberine & Gymnena Supplement - Take with Meals to Reduces Digested Carbs & Weight**Pharmaganics**$26.09**4.1★2,151 rev](https://www.amazon.com/dp/B07R7YZ9TP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**OxyEnergy Calorie Blocker 6-in-1 Natural Weight Loss Supplement for Women & Men with Garcinia Cambogia Gymnema Sylvestre & Bergamot Boosts Metabolism Suppresses Fat Synthesis & Appetite 30 Capsules**OxyEnergy**$19.28**51 rev3mo ago](https://www.amazon.com/dp/B0GF7YQ87T) [**DIPO White Kidney Bean Extract Carb Blocker 1200mg per Serving for Metabolism Boost & Ease Calories from Starchy Food - White Kidney Beans Supplement Carb Control Supplements - 60 Vegan Capsules**DIPO HEALTH HARMONY**$19.95**12 rev7mo ago](https://www.amazon.com/dp/B0FYJM2XMV) [**GLP-1 Support Gummies Sugar-Free Appetite & Craving Control Supplement with Berberine Cinnamon Turmeric Garcinia & Raspberry Ketones Digestion Weight Loss Carb Blocker Vegan Keto**Purify Life**$24.41**823 rev9mo ago](https://www.amazon.com/dp/B0FJMHXVXP) [**Ananda Wellness GLP-1 Carb Blocker Gummies White Mulberry Leaf Extract + Saffron Pre-Meal Gummies for Lower Carb Absorption & Minimal Bloating Orange Flavor 30 Count**Ananda Wellness**$25.26**39 rev1y ago](https://www.amazon.com/dp/B0DM6KGHRL) [**Juvenon SucraLow Advanced Carb Blocker Supports Blood Sugar Reduces Carb & Starch Absorption Aids Metabolism & Limits Fat Storage Mealtime Supplement for High-Carb Meals (30 Capsules)**Juvenon**$40.59**44 rev3y ago](https://www.amazon.com/dp/B0BX154YL8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**OxyEnergy Calorie Blocker 6-in-1 Natural Weight Loss Supplement for Women & Men with Garcinia Cambogia Gymnema Sylvestre & Bergamot Boosts Metabolism Suppresses Fat Synthesis & Appetite 30 Capsules**OxyEnergy**$19.28**4.1★**▲ 273%**](https://www.amazon.com/dp/B0GF7YQ87T) [**DIPO White Kidney Bean Extract Carb Blocker 1200mg per Serving for Metabolism Boost & Ease Calories from Starchy Food - White Kidney Beans Supplement Carb Control Supplements - 60 Vegan Capsules**DIPO HEALTH HARMONY**$19.95**3.9★**▲ 201%**](https://www.amazon.com/dp/B0FYJM2XMV) [**Juvenon SucraLow Advanced Carb Blocker Supports Blood Sugar Reduces Carb & Starch Absorption Aids Metabolism & Limits Fat Storage Mealtime Supplement for High-Carb Meals (30 Capsules)**Juvenon**$40.59**4.1★**▲ 162%**](https://www.amazon.com/dp/B0BX154YL8) [**Irwin Naturals Maximum Strength 3-in-1 Carb Blocker - Neutralize Carbohydrates Aids Digestion and Metabolism Booster - White Kidney Bean Extract + Chromium + Enzyme Blend - 75 Liquid Soft-Gels**Irwin Naturals**$19.92**4.3★**▲ 157%**](https://www.amazon.com/dp/B000JL4HJ0) [**Irwin Naturals Maximum Strength 3-in-1 Carb Blocker - Neutralize Carbohydrates Aids Digestion and Metabolism Booster - White Kidney Bean Extract + Chromium + Enzyme Blend - 84 Soft-Gels - 2 Pack**Irwin Naturals**$40.00**4.3★**▲ 101%**](https://www.amazon.com/dp/B09MWP96HF)
**~~View all trending →~~**
## **What buyers say about carb blocker**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**17%
*“It tastes amazing”*
**Weight Loss**13%
*“Help with weight loss”*
**Quality-Overall**7%
*“GOOD PRODUCT FOR FOR THE BODY”*
**Ease Of Use**6%
*“Easy to use”*
**Nutritional Content**5%
*“Great supplement”*
**Flavor**5%
*“Good flavor”*
**Regulates Digestion**5%
*“I do not feel anything - no bloatness nor GI problems so far”*
**Value For Money**4%
*“Great value for the money”*
**Ingredients-Overall**3%
*“made with clean ingredients”*
**Acid Regulator/Stomach Ache Relief**3%
*“No upset stomach”*
### **What buyers complain about **
**Functionality-Overall**24%
*“Not effective”*
**Taste-Overall**15%
*“The taste is not so appealing”*
**Weight Loss**10%
*“she said it will not work for weight loss”*
**Value For Money**5%
*“Expensive”*
**Nutritional Content**5%
*“Didn't help at all with hunger”*
**Dosage**3%
*“kind of expensive for so little pills”*
**Smell**2%
*“Smells and tastes rancid”*
**Advertised Vs Actual Product**2%
*“FAKE ADVERTISEMENT”*
**Sweetness**2%
*“When I feel like that it makes me eat a lot of sweet stuff just because”*
**Side Effects**2%
*“after a couple of days felt sick to my stomach”*
### **Top return reasons **
**Taste-Overall**38%
**Functionality-Overall**25%
**Weight Loss**13%
**Inflammation**13%
**Flavor**13%
## **Common questions**
- **Is carb blocker profitable to sell on Amazon United States?**
- The niche generates $234K/yr across 26 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -7.1%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the carb blocker niche?**
- 20 brands and 48 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in carb blocker?**
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Weight Loss. The return rate is 0.0%.
- **When does demand for carb blocker peak?**
- Demand peaks in Aug; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the carb blocker niche?**
- Listings span $11.22–$49.63; the average listing price is $24.16 (sweet spot $15–$100). The average incumbent carries 1,347 reviews — the moat a new listing must climb.
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