Weight Gainer for Skinny People
MaybeAn estimated 0.1% of orders come back. But shoppers spend an estimated $57K a year here, so Weight Gainer for Skinny People is a Maybe.
- Flapen Score
- 51 / 100Top 36% of 2,035 Health & Personal Care niches · +3 vs the category median of 4851
- Market size
- £57K/yr97K searches / yr
- 90-day growth
- -15.5%search demand this quarter
- Competition
- 42%top-5 click share · 16 brands · 95 sellers
Flapen Score
Weight Gainer for Skinny People against its category
The dotted line is the Health & Personal Care average. Past it, Weight Gainer for Skinny People is stronger. Inside it, weaker.
Market
The Weight Gainer for Skinny People market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Weight Gainer for Skinny People 97K times last year and spent an estimated £57K. The top 5 brands take 81% of clicks. Flapen scores it 51 out of 100, a Maybe.
01 · Demand
An estimated 2.2% of those searches ended in a purchase.
Shoppers searched for this 97K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 2.2% of those searches ended in a purchase. Searches in the last 90 days moved -15.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £57K a year.
- Searches, last 12 months
- 97K
- Growth, 90 days vs prior 90
- -15.5%
- Conversion, latest week
- 2.2%
- Market size, estimated
- £57Ka year
- Peak month
- August1.3× the quietest month
- Top search term
- weight gainer for skinny people53K searches a year
02 · Price
A sale here is worth £26.27.
Listings sell for £26.27 on average, from £8.18 to £49.35. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At £26.27 that is £0 to £3K a year per listing.
- Average price
- £26.27inside the $15 to $100 sweet spot
- Price range
- £8.18–£49.35
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£3K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
69% of listings pay for placement with sponsored ads. 80% ship with Prime. On an average day, 3.6% of listings are out of stock. The average listing ranks #76 within Diet & Nutrition. It carries 1,680 reviews at 4.29 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 69%
- Prime listings
- 80%
- Out of stock, average day
- 3.6%
- Average rank
- #76in Diet & Nutrition
- Average rating
- 4.29 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,680per listing
- Listings tracked
- 45
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 58 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
- 58 months
Products
Top Weight Gainer for Skinny People 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

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

ANABOLIC Weight GAIN Tablets - Quick Muscle Mass Pills Growth Potent Capsules
- Price
- £10.41
- Rating
- 3.6/5
- Reviews
- 800
- Age
- 7y ago

Reflex Nutrition 100% Whey Protein - 80% Pure Whey Protein - EAA Amino Acids - No Added Sugar - Whey Protein Powder for Pre Workout & Post Workout Recovery (Vanilla 2kg 66 Servings)
- Price
- £45.35
- Rating
- 4.5/5
- Reviews
- 261
- Age
- 11y 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 (Strawberries & Cream 2 kg)
- Price
- £20.13
- Rating
- 4.1/5
- Reviews
- 555
- Age
- 10y ago
Trending
estimated 90-day click momentum
Reflex Nutrition Instant Mass Heavyweight Protein Shake Mix Mass Gainer Over 1000 Kcal per Serving 60 g Protein Creatine High Calorie Post Workout or Before Bed Salted Caramel 2 kg
- Price
- £20.35
- Rating
- 3.6/5
- Reviews
- 62
- Age
- 1y ago

Reflex Nutrition Instant Mass Heavyweight Protein Shake Mix Mass Gainer Over 1000 Kcal per Serving 60 g Protein Creatine High Calorie Post Workout or Before Bed Vanila 2 kg
- Price
- £20.08
- Rating
- 4.1/5
- Reviews
- 218
- Age
- 1y 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

Reflex Nutrition Plant Based Protein - 21g Vegan Protein Powder (Pea Protein Brown Rice Protein & Pumpkin Seeds) - Digestive Enzymes & Vitamin B12 - Natural Flavours (Vanilla Bean 20 Servings)
- Price
- £15.65
- Rating
- 4.3/5
- Reviews
- 181
- Age
- 6y ago

Reflex Nutrition One Stop Xtreme (4.35kg) Strawberries & Cream - Proteins - Protein Blend
- Price
- £41.35
- Rating
- 4.4/5
- Reviews
- 122
- Age
- 15y ago
Newest
by launch date
Reflex Nutrition Instant Mass Heavyweight Protein Shake Mix Mass Gainer Over 1000 Kcal per Serving 60 g Protein Creatine High Calorie Post Workout or Before Bed Vanila 2 kg
- Price
- £20.08
- Rating
- 4.1/5
- Reviews
- 218
- Age
- 1y ago

Reflex Nutrition Instant Mass Heavyweight Protein Shake Mix Mass Gainer Over 1000 Kcal per Serving 60 g Protein Creatine High Calorie Post Workout or Before Bed Salted Caramel 2 kg
- Price
- £20.35
- Rating
- 3.6/5
- Reviews
- 62
- Age
- 1y ago

Pure Creatine Monohydrate Powder - 315g (90 Servings) - Easy Dissolve Creatine Powder Unflavoured & Micronised (Not Creatine Gummies or Creatine Tablets) Vegan Creatine for Women and Men
- Price
- £8.18
- Rating
- 4.5/5
- Reviews
- 5,215
- Age
- 1y ago

Reflex Nutrition Isolate Pro - 83% Premium Protein from Whey Isolate Protein Powder - Fast Absorption Low Lactose Low Fat Low Sugar Protein Shake - Muscle Gain (Chocolate 1.8kg 60 Servings)
- Price
- £48.48
- Rating
- 4.0/5
- Reviews
- 39
- Age
- 2y ago

Reflex Nutrition Isolate Pro - 83% Premium Protein from Whey Isolate Protein Powder - Fast Absorption Low Lactose Low Fat Low Sugar Protein Shake - Muscle Gain (Vanilla 1.8kg 60 Servings)
- Price
- £49.35
- Rating
- 4.6/5
- Reviews
- 21
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 42% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 rising
Sellers
95
Est. top-5 brand share
81%
Top 20: 100%
Est. top-5 click share
42%
Top 20: 78%
Open market
15%
- Reflex Nutrition45%
- Optimum Nutrition17%
- OZUNA NUTRITION9%
- The Bulk Protein Company6%
- NutriVigor5%
- Kinetica4%
- Open — no brand owns it (10 brands, 15%)
Demand
Weight Gainer for Skinny People search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Weight Gainer for Skinny People search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- weight gainer for skinny people53K/yr
- reflex nutrition15K/yr
- reflex protein powder9K/yr
- reflex6K/yr
- high calorie5K/yr
- reflex protein2K/yr
- high calorie weight gain6K/yr
- reflex whey protein993/yr
Reviews and returns
What reviews say buyers love and hate about Weight Gainer for Skinny People
We read the reviews and the return reasons for every product selling here.
“very chalky powdery 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.
17 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 Weight Gainer for Skinny People 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









