---
title: "Fasting Kit — $962K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/fasting-kit"
last_updated: "2026-08-11T20:44:42.898Z"
locale: en
meta:
description: "Niche score 50/100 · $962K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $962K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Fasting Kit — $962K/yr Amazon US Niche (2026) - Flapen"
---
# **fasting kit**
**Worth a look**
Shows low returns (0.2%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 77Growth 25Conversion 42Competition 5Returns 99Price range 38Avg price 70Brand share 0Review moat 90Quality gap 96
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Quality gap**
**Incredible****3.9★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****196.86**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Great****$962K**
$962K/yr · 246K searches
**Avg price**
**Good****$116.11**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****3.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****$38.61–$200.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-0.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****94%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, fasting kit is a $962K/yr Amazon United States market (246K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fasting kit market data**
- **Units sold / yr**
- **8K–10K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$929K–$1.2M**
- units × avg price
- **Conversion rate**
- **3.4%**
- **Avg BSR**
- **#822**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **9.4%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **—flat
**Sellers**
**4**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- Prolon56% - BURNBOX44% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 36 weeks — -0.4% search growth over the last 90 days.
9K7KSpike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/health-household/fasting-kit/trend)
## **Top fasting kit search terms**
- **prolon**51K/yr-19.6%4.8% conv. - **prolon 5 day fasting kit**40K/yr-8.7%7.2% conv. - **burn box**24K/yr+34.4%1.7% conv. - **fasting kit**29K/yr-0.4%0.7% conv. - **burnbox 3 day fasting kit**18K/yr+49.0%3.4% conv. - **burnbox**14K/yr+44.4%3.1% conv. - **burn box fasting kit**16K/yr-26.9%2.5% conv. - **prolon 3 day fasting kit**7K/yr+15.0%10.7% conv. - **burnbox fasting kit**16K/yr-39.3%1.9% conv. - **fasting kit for weight loss**6K/yr-13.8%0.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/fasting-kit/search-terms)
## **Top fasting kit 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%15%$144K30%$289K45%$433K60%$577K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BURNBOX 3 Day Fasting Kit (4X) Intermittent Fasting Drink for Women & Men - Manage Weight Boost Energy & Curb Appetite Cravings - Low-Calorie Diet Food Fasting Supplement + Frother Reusable Bottle**BURNBOX**$199.58**3.9★84 rev](https://www.amazon.com/dp/B0F4XZ4QM3) [2**Prolon 5 Day Fasting Kit | Fasting Program for Women & Men | Developed to Not Break Your Fast | Low Calorie Pre Made Meals & Snacks | Plant Based Ingredients for Diet Support | Original: Bold Flavors**Prolon**$197.75**4.1★192 rev](https://www.amazon.com/dp/B0BR8MVZQ7) [3**Prolon 1-Day Reset Fasting Kit | Fast with Food | Supports Healthy Aging & Weight Management | Low-Calorie Plant-Based Meals & Snacks | Developed to Not Break Your Fast (3 Pack)**Prolon**$95.85**3.8★178 rev](https://www.amazon.com/dp/B0BZK2F9QP) [4**Prolon 5 Day Fasting Kit | Fasting Program for Women & Men | Developed to Not Break Your Fast | Low Calorie Pre Made Meals & Snacks | Plant Based Ingredients for Diet Support | Classic Flavors**Prolon**$200.94**3.8★396 rev](https://www.amazon.com/dp/B07KXZ9JX1) [5**BURNBOX GLP-1 Booster | Weight Management Supplement for Women & Men - GLP1 Supports Appetite Control Energy Production & Mood Balance - Vegan Gluten-Free Capsules | 60 Count**BURNBOX**$41.15**3.8★10 rev](https://www.amazon.com/dp/B0GF7PK2CX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BURNBOX GLP-1 Booster | Weight Management Supplement for Women & Men - GLP1 Supports Appetite Control Energy Production & Mood Balance - Vegan Gluten-Free Capsules | 60 Count**BURNBOX**$41.15**10 rev4mo ago](https://www.amazon.com/dp/B0GF7PK2CX) [**BURNBOX 3 Day Fasting Kit (4X) Intermittent Fasting Drink for Women & Men - Manage Weight Boost Energy & Curb Appetite Cravings - Low-Calorie Diet Food Fasting Supplement + Frother Reusable Bottle**BURNBOX**$199.58**84 rev1y ago](https://www.amazon.com/dp/B0F4XZ4QM3) [**Prolon 1-Day Reset Fasting Kit | Fast with Food | Supports Healthy Aging & Weight Management | Low-Calorie Plant-Based Meals & Snacks | Developed to Not Break Your Fast (1 Pack)**Prolon**$38.61**178 rev1y ago](https://www.amazon.com/dp/B0BR8GL5DF) [**Prolon Fasting Bars | 5g Protein 7g Fiber | Keto-Friendly Gluten-Free Dairy-Free Plant-Based | Nutrition for Intermittent Fasting | Variety Pack | Nuts & Honey Chocolate Chip Coconut Macadamia (12 Count)**Prolon**$38.89**340 rev3y ago](https://www.amazon.com/dp/B0BZSY877J) [**Prolon 5 Day Fasting Kit | Fasting Program for Women & Men | Developed to Not Break Your Fast | Low Calorie Pre Made Meals & Snacks | Plant Based Ingredients for Diet Support | Original: Bold Flavors**Prolon**$197.75**192 rev3y ago](https://www.amazon.com/dp/B0BR8MVZQ7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BURNBOX GLP-1 Booster | Weight Management Supplement for Women & Men - GLP1 Supports Appetite Control Energy Production & Mood Balance - Vegan Gluten-Free Capsules | 60 Count**BURNBOX**$41.15**3.8★**▲ 156%**](https://www.amazon.com/dp/B0GF7PK2CX) [**BURNBOX 3 Day Fasting Kit (4X) Intermittent Fasting Drink for Women & Men - Manage Weight Boost Energy & Curb Appetite Cravings - Low-Calorie Diet Food Fasting Supplement + Frother Reusable Bottle**BURNBOX**$199.58**3.9★**▲ 96%**](https://www.amazon.com/dp/B0F4XZ4QM3) [**Prolon 5 Day Fasting Kit | Fasting Program for Women & Men | Developed to Not Break Your Fast | Low Calorie Pre Made Meals & Snacks | Plant Based Ingredients for Diet Support | Classic Flavors**Prolon**$200.94**3.8★**▼ 21%**](https://www.amazon.com/dp/B07KXZ9JX1) [**Prolon 1-Day Reset Fasting Kit | Fast with Food | Supports Healthy Aging & Weight Management | Low-Calorie Plant-Based Meals & Snacks | Developed to Not Break Your Fast (1 Pack)**Prolon**$38.61**3.8★**▼ 21%**](https://www.amazon.com/dp/B0BR8GL5DF) [**Prolon Fasting Bars | 5g Protein 7g Fiber | Keto-Friendly Gluten-Free Dairy-Free Plant-Based | Nutrition for Intermittent Fasting | Variety Pack | Nuts & Honey Chocolate Chip Coconut Macadamia (12 Count)**Prolon**$38.89**4.3★**▼ 28%**](https://www.amazon.com/dp/B0BZSY877J)
**~~View all trending →~~**
## **What buyers say about fasting kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**17%
*“I was pleasantly surprised by how convenient”*
**Taste-Overall**11%
*“The food is delicious and scientifically formulated”*
**Weight Loss**10%
*“Lost 25 lbs first month”*
**Energy Level**9%
*“Energy booster”*
**Nutritional Content**8%
*“The food is delicious and scientifically formulated”*
**Regulates Digestion**7%
*“Using this gives my digestive tract a perfect chance to rest”*
**Flavor**5%
*“Great flavor”*
**Mixing/Blending**4%
*“It actually blends smooth”*
**Quality-Overall**2%
*“Excellent product”*
**Instructions/User Manual/Troubleshooting**2%
*“The clear instructions made the process simple to follow from day one”*
### **What buyers complain about **
**Nutritional Content**11%
*“At 80g carbs a day this isn't even keto”*
**Taste-Overall**11%
*“Chalky taste”*
**Value For Money**9%
*“Absolute waste of money – zero results”*
**Flavor**8%
*“The flavors were all kind of chalky and bland”*
**Advertised Vs Actual Product**7%
*“Ive seen some aggressive marketing”*
**Side Effects**7%
*“Makes you sick”*
**Functionality-Overall**5%
*“Did not work for me”*
**Allergies**5%
*“Also I had an allergic reaction”*
**Chunk/Clump/Collection**4%
*“The soups were too powdery and clumpy”*
**Ease Of Chewing/Swallowing**4%
*“You just don't eat”*
### **Top return reasons **
**Flavor**100%
## **Common questions**
- **Is fasting kit profitable to sell on Amazon United States?**
- The niche generates $962K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -0.4%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the fasting kit niche?**
- 2 brands and 4 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in fasting kit?**
- Top complaints mined from reviews: Nutritional Content, Taste-Overall, Value For Money. The return rate is 0.2%.
- **What does it cost to enter the fasting kit niche?**
- Listings span $38.61–$200.94; the average listing price is $116.11 (sweet spot $15–$100). The average incumbent carries 197 reviews — the moat a new listing must climb.
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