weight gainer for women
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$34.05avg listing price — sweet spot $15–$100
Price range
Great$10.26–$64.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Good64%top-5 brand share — brands hold most of the demand
Market size
Good$591K$591K/yr · 976K searches
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Review moat
Bad4,857.13avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-12.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, weight gainer for women is a $591K/yr Amazon United States market (976K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
weight gainer for women market data
- Units sold / yr
- 15K–20K
- avg 500–750/product
- Revenue / yr
- $511K–$681K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #497
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 74%
- Out of stock
- 1.9%
- Avg brand age
- 58 months
- Avg seller age
- 142 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
16 falling
Sellers
45
Top-5 brand share
64%
Top 20: 100%
Top-5 click share
58%
Top 20: 97%
Open market
31%
- Natures Craft17%
- Rosamin17%
- Supragenix11%
- Jadee10%
- Naturade9%
- BOOST6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top weight gainer for women search terms
- weight gainer for women346K/yr
- weight gain182K/yr
- weight gain pills79K/yr
- rosamin weight gaining pills37K/yr
- rosamin26K/yr
- gain weight for women55K/yr
- weight gain supplements40K/yr
- weight gain supplements for women30K/yr
- weight gain gummies20K/yr
- gain weight27K/yr
Top weight gainer for women products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rosamin Weight Gaining Pills (1Set(2Bottle))
Rosamin$32.282.6★7 rev
G-Curve Butt and Breast Growth Capsules - Horny Goat Weed Muira Puama & Maca Root for Butt Growth Support - Advanced Herbal Formula - Supports Bigger Butt & Bigger Breast - Easy to Swallow - 60 Count
Natures Craft$10.374.0★8,490 rev
Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer
Supragenix$64.914.2★571 rev
Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support Balanced Calories with Protein Vitamins & Minerals Vanilla - 20.3 oz
Naturade$23.314.2★3,481 rev
Smart Weight Gainer for Women Booty Pills Curves & Shape Support for Healthy Weight Gain Hips & Glutes Easy Alternative to Shakes 60 Pills with Aguaje Pueraria Mirifica Dong Quai & more
Jadee$21.204.2★492 rev
Newest
by launch dateRosamin Weight Gaining Pills (1Set(2Bottle))
Rosamin$32.287 rev
Booty Gainer Pro Series - Weight/Muscle Gainer for Women to Grow Thicker Booty & Larger Buttox | Helps Naturally Curve & Shape Body | Grow Rounder Wider & Thicker Glutes - 60 Capsules
EPN Supplements$37.14138 rev
BBL Gummies for Womens Curves - Weight Gainer for Women with Aguaje Pueraria Mirifica & Fenugreek | Bigger Butt Growth & Hips Enhancement Booty Gummies Curves & Feminine Weight Gain (60 Gummies)
Jadee$19.5099 rev
Holistic MD Gainer Gummies for Women Men Elderly and Kids | Clinically Studied Ingredients | 10 in 1 with L-Lysine Gentian Root Vitamin B | Non-GMO Sugar Free Vegan | 60 Count
Holistic MD$22.20256 rev
Apetigen-Plus Appetite Stimulant for Weight Gain Multivitamin with Iron Zinc L-Lysine & B-Complex Appetite Booster Tablets for Adults & Kids 12+ Sugar Free No Fish Oil 60 Count
Apetigen$25.3171 rev
Trending
90-day click momentumRosamin Weight Gaining Pills (1Set(2Bottle))
Rosamin$32.282.6★
BOOST Very High Calorie Nutritional Drink - Helps Weight Gain & Maintenance - 530 Calories - 26 Vitamins & Minerals - 22 g Protein - Calorie-Dense Nutritional Drink - Creamy Strawberry - 8 fl oz (Pack of 24)
BOOST$56.684.6★
Apetigen-Plus Appetite Stimulant for Weight Gain Multivitamin with Iron Zinc L-Lysine & B-Complex Appetite Booster Tablets for Adults & Kids 12+ Sugar Free No Fish Oil 60 Count
Apetigen$25.314.3★
Smart Weight Gainer for Women Booty Pills Curves & Shape Support for Healthy Weight Gain Hips & Glutes Easy Alternative to Shakes 60 Pills with Aguaje Pueraria Mirifica Dong Quai & more
Jadee$21.204.2★
Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support Balanced Calories with Protein Vitamins & Minerals Vanilla - 40.6 oz
Naturade$39.934.2★
What buyers say about weight gainer for women
What buyers praise and complain about, mined from review topics.What buyers love
“No weird taste”
“it really helps with putting on weight”
“Arrived quickly and seems like good quality”
“Good nutrition”
“Excellent flavor”
“Helps you gain weight”
“Works well”
“Easy to use”
“Great energy”
“Good price”
What buyers complain about
“Not tasty”
“DOESNT WORK”
“Not worth it”
“Bad Flavor”
“I saw absolutely no increase in appetite”
“Need more calories”
“Too thick”
“Made me sick”
“makes it extra sweet”
“Made me very bloated”
Top return reasons
Common questions
- Is weight gainer for women profitable to sell on Amazon United States?
- The niche generates $591K/yr across 23 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.5%. Flapen's verdict: Worth a look (57/100).
- How competitive is the weight gainer for women niche?
- 16 brands and 45 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in weight gainer for women?
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Value For Money. The return rate is 0.0%.
- When does demand for weight gainer for women peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the weight gainer for women niche?
- Listings span $10.26–$64.91; the average listing price is $34.05 (sweet spot $15–$100). The average incumbent carries 4,857 reviews — the moat a new listing must climb.