Protein Bars
MaybeAn estimated 0.1% of orders come back. But demand is soft, at +3.9% this quarter, so Protein Bars is a Maybe.
- Flapen Score
- 62 / 100Top 4% of 2,976 Grocery niches · +16 vs the category median of 4662
- Market size
- £2.9M/yr4.5M searches / yr
- 90-day growth
- +3.9%search demand this quarter
- Competition
- 43%top-5 click share · 14 brands · 163 sellers
Flapen Score
Protein Bars against its category
The dotted line is the Grocery average. Past it, Protein Bars is stronger. Inside it, weaker.
Market
The Protein Bars market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Protein Bars 4.5M times last year and spent an estimated £2.9M. The top 5 brands take 83% of clicks. Demand peaks in Feb. Flapen scores it 62 out of 100, a Maybe.
01 · Demand
An estimated 4.6% of those searches ended in a purchase.
Shoppers searched for this 4.5M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 4.6% of those searches ended in a purchase. Searches in the last 90 days moved +3.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £2.9M a year.
- Searches, last 12 months
- 4.5M
- Growth, 90 days vs prior 90
- +3.9%
- Conversion, latest week
- 4.6%
- Market size, estimated
- £2.9Ma year
- Peak month
- February1.6× the quietest month
- Top search term
- protein bars1.9M searches a year
02 · Price
A sale here is worth £13.99.
Listings sell for £13.99 on average, from £2.33 to £22.38. Amazon reports units sold in ranges. This niche sold 250K to 300K a year. The average listing sells 6,000 to 8,000 of them. At £13.99 that is £84K to £112K a year per listing.
- Average price
- £13.99under the $15 to $100 sweet spot
- Price range
- £2.33–£22.38
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 250K–300K
- Units per listing a year
- 6,000–8,000
- Revenue per listing a year
- £84K–£112K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
60% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 1.9% of listings are out of stock. The average listing ranks #14 within Snack Foods. It carries 1,652 reviews at 4.38 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 60%
- Prime listings
- 98%
- Out of stock, average day
- 1.9%
- Average rank
- #14in Snack Foods
- Average rating
- 4.38 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,652per listing
- Listings tracked
- 43
04 · Newcomers
5 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 55 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 5Amazon's first-year sales bar
- Average brand age
- 55 months
Products
Top Protein Bars 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
Warrior RAW Protein Bars 12 x 75g 20g High Protein Bar Low Sugar High Fibre Oat Protein Flapjack Protein Snacks Meal Replacement Bars (Chocolate Brownie)
- Price
- £9.31
- Rating
- 3.9/5
- Reviews
- 2,138
- Age
- 8y ago

Grenade High Protein Low Sugar Bar - Chocolate Chip Salted Caramel 12 x 60 g
- Price
- £16.11
- Rating
- 4.6/5
- Reviews
- 3,992
- Age
- 6y ago

Grenade OREO White - High Protein Low Sugar Bars 12 x 60 g
- Price
- £14.13
- Rating
- 4.5/5
- Reviews
- 1,993
- Age
- 2y ago

Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars 26 x 40g
- Price
- £10.82
- Rating
- 4.7/5
- Reviews
- 4,513
- Age
- 9y ago

Grenade Limited Edition Creme Egg Flavour Soft Core Protein Bar - High Protein Low Sugar 18 x 45 g
- Price
- £18.05
- Rating
- 4.4/5
- Reviews
- 304
- Age
- 7mo ago
Trending
estimated 90-day click momentum
CHIEFS Protein Bars 55g - High Protein Low Sugar - Healthy Snack Bars with 20g protein - Salty Caramel Taste - 12x55g
- Price
- £14.72
- Rating
- 4.7/5
- Reviews
- 156
- Age
- 2y ago

Grenade Selection Box - High Protein Low Sugar Bars 12 x 60 g Variety Pack (Packaging & Flavours May Vary)
- Price
- £16.30
- Rating
- 4.6/5
- Reviews
- 8,711
- Age
- 8y ago

Warrior RAW Protein Bars 12 x 75g 20g High Protein Bar Low Sugar High Fibre Oat Protein Flapjack Protein Snacks Meal Replacement Bars (Chocolate Brownie)
- Price
- £9.31
- Rating
- 3.9/5
- Reviews
- 2,138
- Age
- 8y ago

Grenade Limited Edition Creme Egg Flavour Soft Core Protein Bar - High Protein Low Sugar 18 x 45 g
- Price
- £18.05
- Rating
- 4.4/5
- Reviews
- 304
- Age
- 7mo ago

Warrior RAW Protein Bars 12 x 75g 20g High Protein Bar Low Sugar High Fibre Oat Protein Flapjack Protein Snacks Meal Replacement Bars (Salted Caramel)
- Price
- £9.55
- Rating
- 4.0/5
- Reviews
- 824
- Age
- 5y ago
Newest
by launch date
Grenade Limited Edition Creme Egg Flavour Soft Core Protein Bar - High Protein Low Sugar 18 x 45 g
- Price
- £18.05
- Rating
- 4.4/5
- Reviews
- 304
- Age
- 7mo ago

Snickers - High Protein Bars | Low Sugar Only 2g of Sugar per bar Hazelnut and Milk Chocolate Flavour 12 x 57g Box 20g Protein
- Price
- £16.98
- Rating
- 4.2/5
- Reviews
- 160
- Age
- 2y ago

Snickers HiProtein Bars Dark Chocolate 20g Protein Only 1g Sugar 12×57g Multipack Low Sugar High Protein Snack
- Price
- £17.86
- Rating
- 4.0/5
- Reviews
- 200
- Age
- 2y ago

CHIEFS Protein Bars 55g - High Protein Low Sugar - Healthy Snack Bars with 20g protein - Salty Caramel Taste - 12x55g
- Price
- £14.72
- Rating
- 4.7/5
- Reviews
- 156
- Age
- 2y ago

Grenade OREO White - High Protein Low Sugar Bars 12 x 60 g
- Price
- £14.13
- Rating
- 4.5/5
- Reviews
- 1,993
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 43% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 falling
Sellers
163
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
43%
Top 20: 80%
Open market
14%
- Grenade44%
- Warrior23%
- Nature Valley8%
- Yubi Bar5%
- Nakd4%
- Chiefs3%
- Open — no brand owns it (8 brands, 14%)
Demand
Protein Bars search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb · busiest ÷ quietest = 1.6×
Search terms
Top Protein Bars search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- protein bars1.9M/yr
- nutrition bars & drinks676K/yr
- grenade protein bars646K/yr
- protein snacks280K/yr
- protein bar265K/yr
- grenade114K/yr
- high protein snacks92K/yr
- warrior protein bar79K/yr
- grenade bars76K/yr
- protein bars 24 pack47K/yr
Reviews and returns
What reviews say buyers love and hate about Protein Bars
We read the reviews and the return reasons for every product selling here.
“Chemical taste”
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.
12 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 Protein Bars 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









