whey protein powder bag
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
Great$58.79avg listing price — sweet spot $15–$100
Price range
Great$21.32–$124.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great40%top-5 click share — an open shelf
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$214K$214K/yr · 82K searches
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Growth
Okay+8.2%90-day search growth — must beat 0% to launch
Review moat
Bad14,423.11avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, whey protein powder bag is a $214K/yr Amazon United States market (82K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
whey protein powder bag market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $176K–$235K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #136
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 69%
- Out of stock
- 3.6%
- Avg brand age
- 83 months
- Avg seller age
- 136 days
Competition & brand share
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.Brands
14 rising
Sellers
595
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
40%
Top 20: 74%
Open market
16%
- Optimum Nutrition24%
- Dymatize24%
- It's Just!19%
- NAKED8%
- Nutricost5%
- Transparent Labs3%
- Open — no brand owns it (8 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 62 weeks — +8.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top whey protein powder bag search terms
- vanilla whey protein isolate11K/yr
- whey protein bag9K/yr
- hydrolyzed whey10K/yr
- its just whey protein powder11K/yr
- iso 100 protein powder chocolate9K/yr
- whey protein powder bag8K/yr
- 5lb whey protein4K/yr
- protein concentrate4K/yr
- muscleblaze whey protein4K/yr
- just whey protein powder4K/yr
Top whey protein powder bag 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
Its Just! - 100% Whey Protein Concentrate GLP-1 Friendly Made in USA No RBST/rBGH Hormones Premium WPC-80 No Added Flavors or Artificial Sweeteners (1.25 Pound Unflavored)
It's Just!$21.944.4★2,481 rev
Dymatize ISO100 Whey Protein Powder Isolate Gourmet Chocolate 25g of Protein 20 Servings 5.5g BCAAs Less Than 120 Cal. Gluten Free 1g Fat 1g Sugar 2g Carb
Dymatize$35.814.6★12,230 rev
Optimum Nutrition Gold Standard 100% Whey Protein Powder Extreme Milk Chocolate 10 Pound (Packaging May Vary)
Optimum Nutrition$122.144.7★29,541 rev
Optimum Nutrition Gold Standard 100% Whey Protein Powder Vanilla Ice Cream 9.98 lb 146 Servings
Optimum Nutrition$124.434.7★47,750 rev
NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient Unflavored Whey Protein NSF Certified Undenatured Gluten Free Soy Free No GMOs No Preservatives
NAKED$44.404.3★10,286 rev
Newest
by launch date
Nutricost Hydrolyzed Whey Protein Powder (Chocolate) 2 LBS - Whey Protein Hydrolysate 25g of Protein GMO-Free Gluten-Free
Nutricost$37.7155 rev
NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient Unflavored Whey Protein NSF Certified Undenatured Gluten Free Soy Free No GMOs No Preservatives
NAKED$44.4010,286 rev
NAKED Whey Vanilla Protein Powder - Only 3 Ingredients - Grass Fed Whey Protein Powder Vanilla Flavor and Organic Coconut Sugar NSF Certified No GMO No Soy and Gluten Free - 24 Servings
NAKED$44.278,125 rev
Transparent Labs Grass-Fed Whey Protein Isolate - Naturally Flavored Gluten Free Whey Protein Powder with 28g of Protein per Serving & 9 Amino Acids - 30 Servings French Vanilla
Transparent Labs$59.551,383 rev
Its Just! - 100% Whey Protein Concentrate Made in USA Premium WPC-80 No Added Flavors or Artificial Sweeteners (5 Pound Unflavored)
It's Just!$78.212,481 rev
Trending
90-day click momentum
BSN SYNTHA-6 Whey Protein Powder Micellar Casein Milk Protein Isolate Powder Vanilla Ice Cream 5 Pounds 48 Servings (Pack of 1) - Package May Vary
BSN$60.374.7★
Transparent Labs Grass-Fed Whey Protein Isolate - Naturally Flavored Gluten Free Whey Protein Powder with 28g of Protein per Serving & 9 Amino Acids - 30 Servings French Vanilla
Transparent Labs$59.554.5★
Nutricost Hydrolyzed Whey Protein Powder (Chocolate) 2 LBS - Whey Protein Hydrolysate 25g of Protein GMO-Free Gluten-Free
Nutricost$37.714.3★
Optimum Nutrition Gold Standard 100% Whey Protein Powder Vanilla Ice Cream 9.98 lb 146 Servings
Optimum Nutrition$124.434.7★
Levels Grass Fed Whey Protein Powder No Artificials 24G of Protein Vanilla Bean 2LB
Levels Nutrition$40.374.5★
What buyers say about whey protein powder bag
What buyers praise and complain about, mined from review topics.What buyers love
“Clean taste”
“Good nutrition”
“Best quality”
“Strong flavor”
“Mixes easily”
“blends well”
“Cant beat the price”
“Good ingredients”
“intense sweet”
“As advertised”
What buyers complain about
“Chalky taste”
“Very costly”
“Has a dynamic artificial flavor”
“Something is off with this protein”
“Didn't dissolve well”
“Disgustingly sweet”
“the stevia gives it a horrible taste”
“Totally false advertising”
“Bad Ingredients and tastes gross”
“the texture was not good”
Top return reasons
Common questions
- Is whey protein powder bag profitable to sell on Amazon United States?
- The niche generates $214K/yr across 45 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +8.2%. Flapen's verdict: Worth a look (56/100).
- How competitive is the whey protein powder bag niche?
- 14 brands and 595 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in whey protein powder bag?
- Top complaints mined from reviews: Taste-Overall, Value For Money, Flavor. The return rate is 0.0%.
- When does demand for whey protein powder bag peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the whey protein powder bag niche?
- Listings span $21.32–$124.43; the average listing price is $58.79 (sweet spot $15–$100). The average incumbent carries 14,423 reviews — the moat a new listing must climb.