weight gain shakes
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
Market size
Incredible$4.6M$4.6M/yr · 1.5M searches
Avg price
Incredible$36.85avg listing price — sweet spot $15–$100
Price range
Great$12.97–$60.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,260avg incumbent reviews — the moat a new listing must climb
Growth
Bad-2.1%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, weight gain shakes is a $4.6M/yr Amazon United States market (1.5M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 56/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
weight gain shakes market data
- Units sold / yr
- 125K–150K
- avg 4,000–5,000/product
- Revenue / yr
- $4.6M–$5.5M
- units × avg price
- Conversion rate
- 8.3%
- Avg BSR
- #270
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 58%
- Out of stock
- 0.0%
- Avg brand age
- 83 months
- Avg seller age
- 133 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
5 falling
Sellers
126
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
57%
Top 20: 94%
Open market
0%
- Ensure49%
- BOOST48%
- Abbott1%
- Naturade1%
- Dymatize1%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.1% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 5.3×
Top weight gain shakes search terms
- ensure plus513K/yr
- boost very high calorie234K/yr
- high calorie drinks for weight gain164K/yr
- boost high calorie144K/yr
- ensure plus vanilla101K/yr
- high calorie protein shake37K/yr
- high calorie38K/yr
- ensure plus strawberry38K/yr
- high calorie boost29K/yr
- ensure plus high protein28K/yr
Top weight gain shakes 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Ensure Plus Vanilla Nutrition Shake With Fiber | Meal Replacement Shake | Ready to Drink | 16g Protein and 27 Vitamins and Minerals | 8 fl oz - 24 Pack
Ensure$52.294.7★8,358 rev
BOOST Very High Calorie Nutritional Drink Helps Weight Gain & Maintenance - 530 Calories - 26 Vitamins & Minerals - 22 g Protein - Calorie-Dense Nutritional Drink - Chocolate - 8 fl oz (Pack of 24)
BOOST$58.224.5★3,516 rev
Ensure Plus Strawberry Nutrition Shake | Meal Replacement Shake | Ready To Drink | 16g Protein and 27 Vitamins and Minerals | 8 fl oz - 24 Pack
Ensure$40.974.7★6,719 rev
Boost Very High Calorie Very Vanilla Nutritional Drink 22g Protein 530 Nutrient Rich Calories 8 Fl Oz (Pack of 24)
BOOST$56.964.6★7,758 rev
BOOST Very High Calorie Nutritional Drink Supports Weight Gain & Maintenance 22 g Protein Creamy Strawberry 8 fl oz (Pack of 24)
BOOST$56.454.6★3,890 rev
Newest
by launch date
BOOST Very High Calorie Nutritional Drink Helps Weight Gain & Maintenance -530 Calories -26 Vitamins & Minerals - 22 g Protein - Variety Pack - Vanilla Chocolate & Strawberry - 8 fl oz (Pack of 24)
BOOST$60.09722 rev
BOOST Plus Nutritional Drink Rich Chocolate 8 fl oz (Pack of 24)
BOOST$40.981,371 rev
BOOST Plus Nutritional Drink Very Vanilla 8 fl oz (Pack of 24)
BOOST$42.21655 rev
BOOST Very High Calorie Nutritional Drink Helps Weight Gain & Maintenance - 530 Calories - 26 Vitamins & Minerals - 22 g Protein - Calorie-Dense Nutritional Drink - Chocolate - 8 fl oz (Pack of 24)
BOOST$58.223,516 rev
Boost Very High Calorie Nutritional Drink Made with Natural Flavor & No Artificial Flavors Colors & Sweeteners Chocolate 8 FL OZ (Pack of 12)
BOOST$40.07928 rev
Trending
90-day click momentum
Ensure Plus Vanilla Nutrition Shake | Meal Replacement Shake | Ready To Drink | 16g Protein and 27 Vitamins and Minerals | 8 fl oz - 6 Pack
Ensure$15.734.8★
BOOST Plus Nutritional Drink Very Vanilla 8 fl oz (Pack of 24)
BOOST$42.214.7★
BOOST Very High Calorie Nutritional Drink Supports Weight Gain & Maintenance 22 g Protein Creamy Strawberry 8 fl oz (Pack of 24)
BOOST$56.454.6★
Ensure Max Protein Shake | French Vanilla | Ready to Drink | 30g Protein for Muscle Health | 1g Sugar 4g Fiber | 11 fl oz 12 Pack
Ensure$27.284.6★
Ensure Plus Butter Pecan Nutrition Shake | Meal Replacement Shake | Ready To Drink | 16g Protein and 27 Vitamins and Minerals | 8 fl oz - 24 Pack
Ensure$50.584.8★
What buyers say about weight gain shakes
What buyers praise and complain about, mined from review topics.What buyers love
“Very tasty drink”
“Good nutrition”
“Good vanilla flavor”
“have zero complaints”
“Best value”
“Help maintain my weight”
“As described”
“It helps you gain weight”
“Energy boost”
“Easy peezy”
What buyers complain about
“Awful tasting”
“Its expensive”
“The flavor is not good”
“It was thick chunky”
“Very high calories”
“The bottles leak”
“It's almost impossible to to open the box”
“Too sweet”
“It was extremely HEAVY”
“make me sick”
Top return reasons
Common questions
- Is weight gain shakes profitable to sell on Amazon United States?
- The niche generates $4.6M/yr across 26 tracked products. 90-day search growth is -2.1%. Flapen's verdict: Worth a look (56/100).
- How competitive is the weight gain shakes niche?
- 5 brands and 126 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in weight gain shakes?
- Top complaints mined from reviews: Taste-Overall, Value For Money, Flavor. The return rate is 0.0%.
- When does demand for weight gain shakes peak?
- Demand peaks in Mar–Apr–May; the busiest month runs 5.3× the quietest.
- What does it cost to enter the weight gain shakes niche?
- Listings span $12.97–$60.09; the average listing price is $36.85 (sweet spot $15–$100). The average incumbent carries 4,260 reviews — the moat a new listing must climb.