Low Calorie Protein Powder
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -12.8% this quarter, so Low Calorie Protein Powder is a Maybe.
- Flapen Score
- 52 / 100Top 33% of 2,035 Health & Personal Care niches · +4 vs the category median of 4852
- Market size
- £622K/yr786K searches / yr
- 90-day growth
- -12.8%search demand this quarter
- Competition
- 59%top-5 click share · 9 brands · 51 sellers
Flapen Score
Low Calorie Protein Powder against its category
The dotted line is the Health & Personal Care average. Past it, Low Calorie Protein Powder is stronger. Inside it, weaker.
Market
The Low Calorie Protein Powder market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Low Calorie Protein Powder 786K times last year and spent an estimated £622K. The top 5 brands take 92% of clicks. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 2.8% of those searches ended in a purchase.
Shoppers searched for this 786K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 2.8% of those searches ended in a purchase. Searches in the last 90 days moved -12.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £622K a year.
- Searches, last 12 months
- 786K
- Growth, 90 days vs prior 90
- -12.8%
- Conversion, latest week
- 2.8%
- Market size, estimated
- £622Ka year
- Peak month
- February1.3× the quietest month
- Top search term
- mass gainer273K searches a year
02 · Price
A sale here is worth £28.08.
Listings sell for £28.08 on average, from £10.08 to £44.25. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 750 to 1,000 of them. At £28.08 that is £21K to £28K a year per listing.
- Average price
- £28.08inside the $15 to $100 sweet spot
- Price range
- £10.08–£44.25
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- £21K–£28K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
77% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 3.3% of listings are out of stock. The average listing ranks #49 within Diet & Nutrition. It carries 3,740 reviews at 4.29 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 77%
- Prime listings
- 91%
- Out of stock, average day
- 3.3%
- Average rank
- #49in Diet & Nutrition
- Average rating
- 4.29 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 3,740per listing
- Listings tracked
- 22
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 53 months
Products
Top Low Calorie 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 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins Creatine and Glutamine Vanilla 8 Servings 2.73 kg Packaging May Vary
- Price
- £28.01
- Rating
- 4.5/5
- Reviews
- 12,618
- Age
- 15y ago

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins Creatine and Glutamine Chocolate 8 Servings 2.73 kg Packaging May Vary
- Price
- £25.73
- Rating
- 4.4/5
- Reviews
- 18,494
- Age
- 17y ago

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins Creatine and Glutamine Chocolate 16 Servings 5.45 kg
- Price
- £44.25
- Rating
- 4.5/5
- Reviews
- 15,456
- Age
- 19y ago

Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving 60g Protein Creatine - High Calorie Post Workout or Before Bed Protein Shake (Chocolate Perfection 2 kg)
- Price
- £20.32
- Rating
- 4.1/5
- Reviews
- 656
- Age
- 10y ago

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins Creatine and Glutamine Banana 16 Servings 5.45 kg Packaging May Vary
- Price
- £42.75
- Rating
- 4.5/5
- Reviews
- 3,231
- Age
- 16y ago
Trending
estimated 90-day click momentum
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins Creatine and Glutamine Cookies and Cream 16 Servings 5.45 kg Packaging May Vary
- Price
- £43.51
- Rating
- 4.4/5
- Reviews
- 1,037
- Age
- 9y ago

The Bulk Protein Company SERIOUS GAINZ - Whey Protein Powder - Weight Gain Mass Gainer - 30g Protein Powders (Vanilla 5kg)
- Price
- £27.99
- Rating
- 4.0/5
- Reviews
- 1,220
- Age
- 10y ago

USN Hyperbolic All in One Mass (6000g) Dutch Chocolate - Weight Gainer - with Creatine
- Price
- £38.28
- Rating
- 4.1/5
- Reviews
- 326
- Age
- 7y ago

Bulk Complete Mass Gainer Chocolate 81g Carbohydrates
- Price
- £22.97
- Rating
- 4.2/5
- Reviews
- 245
- Age
- 12y ago

USN Muscle Fuel Anabolic All-In-One Muscle Mass Gainer Strawberry Flavour - 2kg 54g Protein Powder 5g Creatine Powder & 5g BCAA Powder For Maximum Muscle Growth Post Workout Recovery Drink Mix
- Price
- £24.77
- Rating
- 4.5/5
- Reviews
- 568
- Age
- 5y ago
Newest
by launch date
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins Creatine Monohydrate and Glutamine Vanilla 4 Servings 1.34kg Packaging May Vary
- Price
- £19.33
- Rating
- 4.5/5
- Reviews
- 12,618
- Age
- 1y ago

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins Creatine and Glutamine Chocolate 4 Servings 1.34 kg Packaging May Vary
- Price
- £18.77
- Rating
- 4.2/5
- Reviews
- 32
- Age
- 1y ago

Applied Nutrition Critical Mass Professional - Weight Gain Protein Powder High Calorie Weight Gainer Lean Mass (2.4kg - 16 Servings) (Chocolate)
- Price
- £24.55
- Rating
- 4.3/5
- Reviews
- 67
- Age
- 2y ago

MUTANT Mass Extreme 2500 | High-Calorie Weight Gainer | Complex Carbs BCAAs & Glutamine | Hardcore Muscle Mass Shake | 2720g | Vanilla Ice Cream
- Price
- £27.41
- Rating
- 4.2/5
- Reviews
- 1,425
- Age
- 4y ago

USN Muscle Fuel Anabolic All-In-One Muscle Mass Gainer Strawberry Flavour - 2kg 54g Protein Powder 5g Creatine Powder & 5g BCAA Powder For Maximum Muscle Growth Post Workout Recovery Drink Mix
- Price
- £24.77
- Rating
- 4.5/5
- Reviews
- 568
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 falling
Sellers
51
Est. top-5 brand share
92%
Top 20: 100%
Est. top-5 click share
59%
Top 20: 97%
Open market
5%
- Optimum Nutrition67%
- Reflex Nutrition9%
- The Bulk Protein Company7%
- USN5%
- Mutant5%
- OZUNA NUTRITION2%
- Open — no brand owns it (3 brands, 5%)
Demand
Low Calorie Protein Powder search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Low Calorie Protein Powder search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- mass gainer273K/yr
- serious mass85K/yr
- weight gainer76K/yr
- mass gainer protein powder60K/yr
- weight gainer for skinny people53K/yr
- weight gain41K/yr
- optimum nutrition serious mass24K/yr
- mass26K/yr
- weight gain protein powder23K/yr
- mass gainer optimum nutrition12K/yr
Reviews and returns
What reviews say buyers love and hate about Low Calorie Protein Powder
We read the reviews and the return reasons for every product selling here.
“Does not taste good”
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 Low Calorie 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









