21 day fix
Skip itA small market ($10K/yr) — this niche doesn't clear our bar today.
Price range
Great$9.05–$36.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$15.70avg listing price — sweet spot $15–$100
Returns
Great2.0%return rate — above 6% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay2,038avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.7%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
Bad94%top-5 brand share — brand-locked demand
Competition
Bad89%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.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$11.384.4★4,568 rev
Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans
Home Spirit$13.724.6★592 rev
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$9.054.5★2,287 rev
21 Day Fixs Workout Program Accessories Kit Include Fitness 4 DVDs Home Workout Planner Video Guide Meal Plan and 30LB Rubber tensile band
Generic$36.393.8★9 rev
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$12.044.5★1,305 rev
Newest
by launch date21 Day Fixs Workout Program Accessories Kit Include Fitness 4 DVDs Home Workout Planner Video Guide Meal Plan and 30LB Rubber tensile band
Generic$36.399 rev
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$9.81937 rev
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$12.041,305 rev
Home Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans
Home Spirit$13.72592 rev
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$17.524,568 rev
Trending
90-day click momentumHome Spirit Proper Portions 21-Day Portion Control Containers 2 Sets Sized for Weight Loss Bariatric & Calorie-Based Meal Plans
Home Spirit$13.724.6★
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$17.524.4★
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$11.384.4★
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$9.054.5★
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$9.814.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.5% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.9×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to Use”
“Definitely worth the money”
“They are sturdy”
“Auntie happy with her gift”
“They are well made”
“Perfect size for portion control”
“I love that the colors are cordinated”
“As explained”
“Measurements are accurate”
“Love the portions written on each container”
What buyers complain about
“for beginners this will not help for a quick reference if the writing comes off”
“do not work”
“If it werent for the measurement error”
“Skips”
“Not good quality”
“The product description does not make this clear”