---
title: "21 day fix — Niche Verdict: Skip it (33/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/sports-outdoors/21-day-fix"
last_updated: "2026-07-14T04:06:44.128Z"
locale: en
meta:
  description: "a small market ($10K/yr) — 21 day fix doesn't clear our bar today."
  "og:description": "a small market ($10K/yr) — 21 day fix doesn't clear our bar today."
  "og:title": "21 day fix — Niche Verdict: Skip it (33/100) | Amazon United States - Flapen"
---

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# **21 day fix**

**Skip it**

A small market ($10K/yr) — this niche doesn't clear our bar today.

Market size 3Growth 20Conversion 34Competition 9Returns 75Price range 78Avg price 77Brand share 16Review moat 45Quality gap 58

**Price range**

**Great****$9.05–$36.39**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Great****$15.70**

avg listing price — sweet spot $15–$100

**Returns**

**Great****2.0%**

return rate — above 6% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,038**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Okay****2.7%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Bad****-9.5%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

**Competition**

**Bad****89%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$10K**

$10K/yr · 24K searches

## **Competition**

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▼falling

**Sellers**

**8**

**Top-5 brand share**

**94%**

**Open market**

**0%**

- Efficient Nutrition47% - Home Spirit14% - Beachbody12% - Generic11% - Finorder10% - miaform6%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$2K30%$3K45%$5K60%$6K1101001K10K 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![Efficient Nutrition Portion Control Containers DELUXE Kit (14-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss](https://m.media-amazon.com/images/I/61fqHwDpMcS.jpg)**Efficient Nutrition Portion Control Containers DELUXE Kit (14-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss**Efficient Nutrition**$11.38**4.4★4,568 rev](https://www.amazon.com/dp/B01CXS6SNO) [2![Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans](https://m.media-amazon.com/images/I/519-Awpf1+L.jpg)**Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans**Home Spirit**$13.72**4.6★592 rev](https://www.amazon.com/dp/B08VR56PXZ) [3![Beachbody 21 Day Fix 7-Piece Kit: Color-Coded Portion Control Containers for Meal Prep and Weight Loss Ideal for Food Storage BPA-Free Reusable with Secure Locking Lids for Freshness](https://m.media-amazon.com/images/I/41qpa1wbdLL.jpg)**Beachbody 21 Day Fix 7-Piece Kit: Color-Coded Portion Control Containers for Meal Prep and Weight Loss Ideal for Food Storage BPA-Free Reusable with Secure Locking Lids for Freshness**Beachbody**$9.05**4.5★2,287 rev](https://www.amazon.com/dp/B00PR77URW) [4![21 Day Fixs Workout Program Accessories Kit Include Fitness 4 DVDs Home Workout Planner Video Guide Meal Plan and 30LB Rubber tensile band](https://m.media-amazon.com/images/I/51W-3c7pgWL.jpg)**21 Day Fixs Workout Program Accessories Kit Include Fitness 4 DVDs Home Workout Planner Video Guide Meal Plan and 30LB Rubber tensile band**Generic**$36.39**3.8★9 rev](https://www.amazon.com/dp/B0FCCRRFMN) [5![Finorder 21 Day Portion Control Container Kit (14-Piece) with Complete Guide BPA Free Food Portion Container Set for Meal Prep 21 Day Lose Weight System (HN-PC)](https://m.media-amazon.com/images/I/51y6ubFxaoL.jpg)**Finorder 21 Day Portion Control Container Kit (14-Piece) with Complete Guide BPA Free Food Portion Container Set for Meal Prep 21 Day Lose Weight System (HN-PC)**Finorder**$12.04**4.5★1,305 rev](https://www.amazon.com/dp/B09C86TZ7G)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![21 Day Fixs Workout Program Accessories Kit Include Fitness 4 DVDs Home Workout Planner Video Guide Meal Plan and 30LB Rubber tensile band](https://m.media-amazon.com/images/I/51W-3c7pgWL.jpg)**21 Day Fixs Workout Program Accessories Kit Include Fitness 4 DVDs Home Workout Planner Video Guide Meal Plan and 30LB Rubber tensile band**Generic**$36.39**9 rev1y ago](https://www.amazon.com/dp/B0FCCRRFMN) [![miaform Portion Control Container and Food Plan - 21 Day Portion Control Container Kit for Weight Loss - 21 Day Tally Chart with e-Book (7 Labeled Pcs)](https://m.media-amazon.com/images/I/5155obUnkaL.jpg)**miaform Portion Control Container and Food Plan - 21 Day Portion Control Container Kit for Weight Loss - 21 Day Tally Chart with e-Book (7 Labeled Pcs)**miaform**$9.81**937 rev4y ago](https://www.amazon.com/dp/B09ZL97XGK) [![Finorder 21 Day Portion Control Container Kit (14-Piece) with Complete Guide BPA Free Food Portion Container Set for Meal Prep 21 Day Lose Weight System (HN-PC)](https://m.media-amazon.com/images/I/51y6ubFxaoL.jpg)**Finorder 21 Day Portion Control Container Kit (14-Piece) with Complete Guide BPA Free Food Portion Container Set for Meal Prep 21 Day Lose Weight System (HN-PC)**Finorder**$12.04**1,305 rev4y ago](https://www.amazon.com/dp/B09C86TZ7G) [![Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans](https://m.media-amazon.com/images/I/519-Awpf1+L.jpg)**Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans**Home Spirit**$13.72**592 rev5y ago](https://www.amazon.com/dp/B08VR56PXZ) [![Efficient Nutrition Portion Control Containers DELUXE Kit (28-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss](https://m.media-amazon.com/images/I/51w1DWtYLtL.jpg)**Efficient Nutrition Portion Control Containers DELUXE Kit (28-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss**Efficient Nutrition**$17.52**4,568 rev7y ago](https://www.amazon.com/dp/B07GF99861)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans](https://m.media-amazon.com/images/I/519-Awpf1+L.jpg)**Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans**Home Spirit**$13.72**4.6★**▲ 113%**](https://www.amazon.com/dp/B08VR56PXZ) [![Efficient Nutrition Portion Control Containers DELUXE Kit (28-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss](https://m.media-amazon.com/images/I/51w1DWtYLtL.jpg)**Efficient Nutrition Portion Control Containers DELUXE Kit (28-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss**Efficient Nutrition**$17.52**4.4★**▲ 52%**](https://www.amazon.com/dp/B07GF99861) [![Efficient Nutrition Portion Control Containers DELUXE Kit (14-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss](https://m.media-amazon.com/images/I/61fqHwDpMcS.jpg)**Efficient Nutrition Portion Control Containers DELUXE Kit (14-Piece) with COMPLETE GUIDE + 21 DAY PLANNER + RECIPE eBOOK BPA FREE Color Coded Meal Prep System for Diet and Weight Loss**Efficient Nutrition**$11.38**4.4★**▲ 37%**](https://www.amazon.com/dp/B01CXS6SNO) [![Beachbody 21 Day Fix 7-Piece Kit: Color-Coded Portion Control Containers for Meal Prep and Weight Loss Ideal for Food Storage BPA-Free Reusable with Secure Locking Lids for Freshness](https://m.media-amazon.com/images/I/41qpa1wbdLL.jpg)**Beachbody 21 Day Fix 7-Piece Kit: Color-Coded Portion Control Containers for Meal Prep and Weight Loss Ideal for Food Storage BPA-Free Reusable with Secure Locking Lids for Freshness**Beachbody**$9.05**4.5★**▲ 12%**](https://www.amazon.com/dp/B00PR77URW) [![miaform Portion Control Container and Food Plan - 21 Day Portion Control Container Kit for Weight Loss - 21 Day Tally Chart with e-Book (7 Labeled Pcs)](https://m.media-amazon.com/images/I/5155obUnkaL.jpg)**miaform Portion Control Container and Food Plan - 21 Day Portion Control Container Kit for Weight Loss - 21 Day Tally Chart with e-Book (7 Labeled Pcs)**miaform**$9.81**4.6★**— 7%**](https://www.amazon.com/dp/B09ZL97XGK)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -9.5% search growth over the last 90 days.

2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.9×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Use**29%

*“Easy to Use”*

**Value For Money**17%

*“Definitely worth the money”*

**Strength**9%

*“They are sturdy”*

**Gifting Purpose**7%

*“Auntie happy with her gift”*

**Quality-Overall**7%

*“They are well made”*

**Size-Overall**5%

*“Perfect size for portion control”*

**Color**4%

*“I love that the colors are cordinated”*

**Advertised Vs Actual Product**4%

*“As explained”*

**Measurement/Reading Accuracy**4%

*“Measurements are accurate”*

**Correct Contents**2%

*“Love the portions written on each container”*

### **What buyers complain about **

**Instructions/User Manual/Troubleshooting**27%

*“for beginners this will not help for a quick reference if the writing comes off”*

**Functionality-Overall**18%

*“do not work”*

**Measurement/Reading Accuracy**18%

*“If it werent for the measurement error”*

**Durability**9%

*“Skips”*

**Quality-Overall**9%

*“Not good quality”*

**Advertised Vs Actual Product**9%

*“The product description does not make this clear”*

### **Top return reasons **

**Size-Overall**36%

**Advertised Vs Actual Product**22%

**Value For Money**9%

**Instructions/User Manual/Troubleshooting**8%

**Quality-Overall**7%

**Functionality-Overall**5%

**Product Condition**2%

**Smell**2%

**Color**1%

**Dishwasher Safe**1%