Weight Gainer For Women Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Weight Gainer For Women sales on Amazon US totaled 353,300 units in July 2026 (▼ 5.2% vs. the prior month), generating an estimated $11,580,001 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 61.4% of unit volume and 54.0% of revenue, while a typical listing is priced at $38.27. The keyword itself pulled 21,984 Amazon queries over the same period (▲ 7.7% MoM).
Zooming out to the 12-month window ending July 2026, the weight gainer for women Top 50 moved 3,794,150 units and $128,328,665 in cumulative sales — an average of 316,179 units and $10,694,055 per month. Monthly throughput topped out at 383,800 units in January 2026 and dipped to 199,450 in May 2026, leaving the latest reading 28.5% higher than August 2025.
Weight Gainer For Women Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
353.3K
▼ 5.2% MoM
Monthly Revenue 2026/07
$11.6M
▼ 5.6% MoM
Top 10 Market Share 2026/07
61.4%
Weight Gainer For Women Market Share & Sales Concentration on Amazon US — July 2026
The most-sold weight gainer for women listing on Amazon US in July 2026 is ASIN B002DYIZEE (Brand: Optimum Nutrition), which sold 80,000 units at $14.68 apiece — equal to 22.6% of every unit tracked in this report and 2.7× the volume of the No. 2 listing.
The Top 10 ASINs account for 217,000 units and $6,247,740 in July 2026 — 61.4% of unit volume and 54.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Weight Gainer For Women' on Amazon
July 2026
Is 61.4% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B002DYIZEE
Optimum Nutrition Creatine Monohydrate Powder, Unflavored, 10 Oz | 5g Micronized Creatine Monohydrate Powder Per Serving, Supports Muscle Strength & Power, Easy Mixing, Banned Substance Tested
80K
▲ 14.3%vs. prior month
$1.3M
latest month
12-month trend
B0CWS5QP8F
MARYRUTH'S Liquid Multivitamin + Hair Growth, Clinically Thicker Hair, 15oz | Clinically Tested in Women for Thicker Hair & Facial Wrinkles, Biotin 10000mcg, Lustriva Hair Growth Supplements, Skin Care
30K
▼ 25.0%vs. prior month
$1.2M
latest month
12-month trend
B0DJDQCJX2
Creatine for Women | Creatine Monohydrate + BCAA Powder Myo-Inositol Collagen Biotin Hyaluronic Acid Folate L Glutamine Vitamin D3 Iron Zinc D-Chiro-Maca Digestion Shelf Builder By Clean Nutra
30K
▲ 50.0%vs. prior month
$936.3K
latest month
12-month trend
B07NLQ5V6L
Ensure Max Protein French Vanilla Shake, 30g High Protein, 12 Pack | 30g Protein to Support Muscle Health & Manage Hunger for Adults, Each Protein Shake has 1g Sugar, 150 Calories, 4g Fiber
20K
▲ 0.0%vs. prior month
$559.4K
latest month
12-month trend
B004XSOJ02
One A Day Women’s Petites Multivitamin,Supplement with Vitamin A, C, D, E and Zinc for Immune Health Support, B Vitamins, Biotin, Folate (as folic acid) & more,Tablet, 160 count
10K
▲ 0.0%vs. prior month
$129.4K
latest month
12-month trend
B07TK5K5TQ
TRU NIAGEN NAD+ Supplement, Nicotinamide Riboside 300mg, 30 Daily Servings | Patented Niagen NR boosts NAD+ to support cellular energy and healthy aging. 300mg, one capsule daily, 30-day supply.
10K
▲ 0.0%vs. prior month
$490K
latest month
12-month trend
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Best Weight Gainer For Women Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Optimum Nutrition is the best-performing weight gainer for women brand in July 2026, moving 80,000 units across 1 ASIN for 36.9% of Top 10 volume. MARYRUTH'S follows with 30,000 units (13.8%), ahead of Clean Nutraceuticals on 30,000 units (13.8%).
With 9 brands splitting the Top 10 and 64.5% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $14.68 to $38.95, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Optimum Nutrition
1 ASIN in Top 10
36.9%
Units
80K
Revenue
$1.3M
Avg. price
$14.68
B002DYIZEE
$14.68·★4.6·78.4K revsOptimum Nutrition Creatine Monohydrate Powder, Unflavored, 10 Oz | 5g Micronized Creatine Monohydrate Powder Per Serving, Supports Muscle Strength & Power, Easy Mixing, Banned Substance Tested
Units sold80K
MARYRUTH'S
1 ASIN in Top 10
13.8%
Units
30K
Revenue
$1.2M
Avg. price
$38.95
B0CWS5QP8F
$38.95·★4.5·19.6K revsMARYRUTH'S Liquid Multivitamin + Hair Growth, Clinically Thicker Hair, 15oz | Clinically Tested in Women for Thicker Hair & Facial Wrinkles, Biotin 10000mcg, Lustriva Hair Growth Supplements, Skin Care
Units sold30K
Clean Nutraceuticals
1 ASIN in Top 10
13.8%
Units
30K
Revenue
$936.3K
Avg. price
$32.95
B0DJDQCJX2
$32.95·★4.4·3.9K revsCreatine for Women | Creatine Monohydrate + BCAA Powder Myo-Inositol Collagen Biotin Hyaluronic Acid Folate L Glutamine Vitamin D3 Iron Zinc D-Chiro-Maca Digestion Shelf Builder By Clean Nutra
Units sold30K
Trending Weight Gainer For Women Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0020XQWCA booked 9K units at $39.98, with ▲ 0.0% MoM change. On the growth side, B0F6K7XSGP leads positive momentum with ▲ 150.0% MoM growth on 5K units, with B0CW6N9RP7 close behind at ▲ 100.0% MoM on 1K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0020XQWCA
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
$39.98
Rating
4.5
Reviews
9.5K
Latest month sales
B0F6K7XSGP
Creatine Monohydrate Gummies 5000mg with L-Carnitine, 120 Count | Containing Taurine for Women & Men, Build Muscle, Boost Energy, Faster Recovery, Sugar Free, Vegan, Raspberry & Blackberry
Price
$27.39
Rating
4.6
Reviews
281
Latest month sales
B0CW6N9RP7
Creatine Monohydrate Gummies for Men & Women - Sugar Free & Vegan Advanced Formula W/L-Taurine + Vitamin B12 - for Muscle Strength, Muscles Builder, Recovery, Energy Boost, Pre-Workout Supplement
Unlock to view ASIN details and product titles
Price
$29.99
Rating
4.3
Reviews
188
Latest month sales
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