Muscle Protein Powder
FailThe top 5 brands take 100% of clicks, so Muscle Protein Powder is a Fail.
- Flapen Score
- 39 / 100Ranks 12,636 of 14,768 Health & Household niches · −10 vs the category median of 4939
- Market size
- $80K/yr62K searches / yr
- 90-day growth
- +3.6%search demand this quarter
- Competition
- 85%top-5 click share · 5 brands · 29 sellers
Flapen Score
Muscle Protein Powder against its category
The dotted line is the Health & Household average. Past it, Muscle Protein Powder is stronger. Inside it, weaker.
Market
The Muscle Protein Powder market on Amazon at a glance
Shoppers on Amazon United States searched for Muscle Protein Powder 62K times last year and spent an estimated $80K. All 5 brands take every click. Flapen scores it 39 out of 100, a Fail.
01 · Demand
An estimated 2.4% of those searches ended in a purchase.
Shoppers searched for this 62K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.4% of those searches ended in a purchase. Searches in the last 90 days moved +3.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $80K a year.
- Searches, last 12 months
- 62K
- Growth, 90 days vs prior 90
- +3.6%
- Conversion, latest week
- 2.4%
- Market size, estimated
- $80Ka year
- Peak month
- March1.5× the quietest month
- Top search term
- gnc bulk 13409K searches a year
02 · Price
A sale here is worth $53.54.
Listings sell for $53.54 on average, from $23.24 to $81.68. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $53.54 that is $0 to $5K a year per listing.
- Average price
- $53.54inside the $15 to $100 sweet spot
- Price range
- $23.24–$81.68
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$5K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
67% of listings pay for placement with sponsored ads. 67% ship with Prime. On an average day, 43.7% of listings are out of stock. The average listing ranks #222 within Endurance & Energy. It carries 7,585 reviews at 4.39 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 67%
- Prime listings
- 67%
- Out of stock, average day
- 43.7%
- Average rank
- #222in Endurance & Energy
- Average rating
- 4.39 starsAmazon United States average 4.42 stars
- Average reviews
- 7,585per listing
- Listings tracked
- 9
04 · Newcomers
2 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 78 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 78 months
Products
Top Muscle Protein Powder products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
GNC Pro Performance Bulk 1340 - Protein Powder for Active Lifestyles - Sports Nutrition for Muscle Fuel - Nutrient-Dense Blend with Creatine & Glutamine - Cookies & Cream - 114.24 Oz (9 Servings)
- Price
- $53.72
- Rating
- 4.0/5
- Reviews
- 5
- Age
- 4mo ago

Dymatize Super Mass Gainer Protein Powder Gourmet Vanilla 52g Protein 1g Creatine 1280 Calories 10.7g BCAAs 245g Carbs Contains Whey Protein Powder Isolate and Casein (8 Servings)
- Price
- $41.07
- Rating
- 4.5/5
- Reviews
- 9,308
- Age
- 17y ago

Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support Balanced Calories with Protein Vitamins & Minerals Vanilla - 20.3 oz
- Price
- $23.24
- Rating
- 4.2/5
- Reviews
- 3,472
- Age
- 22y ago

Optimum Nutrition Serious Mass Weight Gainer Protein Powder Mass Gainer Vitamin C and Zinc for Immune Support Creatine Chocolate 6 Pound (Packaging May Vary)
- Price
- $49.76
- Rating
- 4.5/5
- Reviews
- 34,752
- Age
- 21y ago

GNC AMP Mass XXX Clinically Proven Weight Gainer Protein Powder Improves Strength and Size 780 Calories 50g Protein Micronized Amino Acids Creatine Betaine Vanilla 13 Servings 6 Pounds
- Price
- $81.68
- Rating
- 4.8/5
- Reviews
- 166
- Age
- 5y ago
Trending
estimated 90-day click momentum
GNC Pro Performance Bulk 1340 - Protein Powder for Active Lifestyles - Sports Nutrition for Muscle Fuel - Nutrient-Dense Blend with Creatine & Glutamine - Cookies & Cream - 114.24 Oz (9 Servings)
- Price
- $53.72
- Rating
- 4.0/5
- Reviews
- 5
- Age
- 4mo ago

GNC Pro Bulk 1340 2.0 Double Chocolate 15 Servings
- Price
- $81.66
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

Optimum Nutrition Serious Mass Weight Gainer Protein Powder Mass Gainer Vitamin C and Zinc for Immune Support Creatine Chocolate 6 Pound (Packaging May Vary)
- Price
- $49.76
- Rating
- 4.5/5
- Reviews
- 34,752
- Age
- 21y ago

Dymatize Super Mass Gainer Protein Powder Gourmet Vanilla 52g Protein 1g Creatine 1280 Calories 10.7g BCAAs 245g Carbs Contains Whey Protein Powder Isolate and Casein (8 Servings)
- Price
- $41.07
- Rating
- 4.5/5
- Reviews
- 9,308
- Age
- 17y ago

Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer
- Price
- $65.11
- Rating
- 4.2/5
- Reviews
- 562
- Age
- 2y ago
Newest
by launch date
GNC Pro Bulk 1340 2.0 Double Chocolate 15 Servings
- Price
- $81.66
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

GNC Pro Performance Bulk 1340 - Protein Powder for Active Lifestyles - Sports Nutrition for Muscle Fuel - Nutrient-Dense Blend with Creatine & Glutamine - Cookies & Cream - 114.24 Oz (9 Servings)
- Price
- $53.72
- Rating
- 4.0/5
- Reviews
- 5
- Age
- 4mo ago

Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer
- Price
- $65.11
- Rating
- 4.2/5
- Reviews
- 562
- Age
- 2y ago

GNC AMP Mass XXX Clinically Proven Weight Gainer Protein Powder Improves Strength and Size 780 Calories 50g Protein Micronized Amino Acids Creatine Betaine Vanilla 13 Servings 6 Pounds
- Price
- $81.68
- Rating
- 4.8/5
- Reviews
- 166
- Age
- 5y ago

GNC Pro Performance Weight Gainer - Double Chocolate - 2.5 lb
- Price
- $33.20
- Rating
- 4.4/5
- Reviews
- 111
- Age
- 8y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 85% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
29
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
85%
Top 20: 100%
Open market
0%
- GNC58%
- Dymatize21%
- Optimum Nutrition11%
- Naturade7%
- Supragenix3%
Demand
Muscle Protein Powder search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Muscle Protein Powder search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- gnc bulk 13409K/yr
- gnc mass gainer10K/yr
- gnc weight gainer10K/yr
- weight gain supplements for men6K/yr
- gnc weight gainer protein powder5K/yr
- gnc pro performance bulk 13405K/yr
- weight gain protein powder for women5K/yr
- 1340 bulk protein3K/yr
- protein powder to gain weight5K/yr
- gnc pro performance weight gainer3K/yr
Reviews and returns
What reviews say buyers love and hate about Muscle Protein Powder
We read the reviews and the return reasons for every product selling here.
“Mildly effective. Didn't get great results”
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 Muscle Protein Powder questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









