Mass Gainer
MaybeAn estimated 0.0% of orders come back. But the top 5 brands take 95% of clicks, so Mass Gainer is a Maybe.
- Flapen Score
- 56 / 100Top 21% of 14,768 Health & Household niches · +7 vs the category median of 4956
- Market size
- $5.7M/yr2.7M searches / yr
- 90-day growth
- +1.7%search demand this quarter
- Competition
- 63%top-5 click share · 7 brands · 31 sellers
Flapen Score
Mass Gainer against its category
The dotted line is the Health & Household average. Past it, Mass Gainer is stronger. Inside it, weaker.
Market
The Mass Gainer market on Amazon at a glance
Shoppers on Amazon United States searched for Mass Gainer 2.7M times last year and spent an estimated $5.7M. The top 5 brands take 95% of clicks. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 3.9% of those searches ended in a purchase.
Shoppers searched for this 2.7M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.9% of those searches ended in a purchase. Searches in the last 90 days moved +1.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $5.7M a year.
- Searches, last 12 months
- 2.7M
- Growth, 90 days vs prior 90
- +1.7%
- Conversion, latest week
- 3.9%
- Market size, estimated
- $5.7Ma year
- Peak month
- September1.3× the quietest month
- Top search term
- mass gainer1.1M searches a year
02 · Price
A sale here is worth $54.04.
Listings sell for $54.04 on average, from $23.31 to $78.68. Amazon reports units sold in ranges. This niche sold 80K to 100K a year. The average listing sells 3,000 to 4,000 of them. At $54.04 that is $162K to $216K a year per listing.
- Average price
- $54.04inside the $15 to $100 sweet spot
- Price range
- $23.31–$78.68
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 80K–100K
- Units per listing a year
- 3,000–4,000
- Revenue per listing a year
- $162K–$216K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
56% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 10.5% of listings are out of stock. The average listing ranks #134 within Weight Gainers. It carries 8,693 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 56%
- Prime listings
- 100%
- Out of stock, average day
- 10.5%
- Average rank
- #134in Weight Gainers
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 8,693per listing
- Listings tracked
- 18
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 73 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 73 months
Products
Top Mass Gainer products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Sign in to see the products
The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.
Competition
Competition: brands, sellers & click share
The top 5 products take 63% of clicks. Leaders hold, but buyers still shop past them.
Brands
7 falling
Sellers
31
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
2%
- Brand 146%
- Brand 231%
- Brand 39%
- Brand 45%
- Brand 54%
- Brand 63%
- Open — no brand owns it (1 brand, 2%)
Demand
Mass Gainer search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Mass Gainer search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- mass gainer1.1M/yr
- mass gainer protein powder279K/yr
- weight gainer231K/yr
- weight gainer men224K/yr
- serious mass weight gainer127K/yr
- serious mass128K/yr
- mass113K/yr
- weight gainer protein powder71K/yr
- high calorie protein powder58K/yr
- optimum nutrition serious mass50K/yr
Reviews and returns
What reviews say buyers love and hate about Mass Gainer
We read the reviews and the return reasons for every product selling here.
“Not for me - taste gross”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
14 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Mass Gainer questions
Answered from the same tracked data.









