Is unflavored protein powder profitable to sell on Amazon United States?

The niche generates $8.8M/yr across 20 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +3.8%. Flapen's verdict: Launch it (63/100).

How competitive is the unflavored protein powder niche?

8 brands and 35 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in unflavored protein powder?

Top complaints mined from reviews: Taste-Overall, Flavor, Solubility. The return rate is 0.0%.

When does demand for unflavored protein powder peak?

Demand peaks in Apr–May; the busiest month runs 2.0× the quietest.

What does it cost to enter the unflavored protein powder niche?

Listings span $20.84–$98.60; the average listing price is $46.71 (sweet spot $15–$100). The average incumbent carries 7,055 reviews — the moat a new listing must climb.

unflavored protein powder

Launch it

A $8.8M/yr market growing +3.8% this quarter with returns at 0.0% — clears our launch bar.

Market size

Incredible$8.8M

$8.8M/yr · 2.7M searches

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Price range

Incredible$20.84–$98.60

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$46.71

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.9%

search→purchase rate — share of searches ending in a sale

Competition

Okay60%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+3.8%

90-day search growth — must beat 0% to launch

Review moat

Bad7,055.1

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad94%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, unflavored protein powder is a $8.8M/yr Amazon United States market (2.7M searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Apr–May. Verdict: Launch it — 63/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

unflavored protein powder market data

Units sold / yr: 150K–200K; avg 6,000–8,000/product
Revenue / yr: $7.0M–$9.3M; units × avg price
Conversion rate: 6.9%
Avg BSR: #29
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 0.0%
Avg brand age: 74 months
Avg seller age: 134 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

NAKED68%
Isopure11%
Nutricost7%
Orgain4%
BulkSupplements4%
Levels Nutrition2%
Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.8% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 2.0×

Open Trend

Top unflavored protein powder search terms

naked whey protein719K/yr +2.3%7.8% conv.
unflavored protein powder629K/yr -3.7%3.3% conv.
protein powder unflavored246K/yr +5.7%3.3% conv.
naked whey193K/yr +4.0%7.4% conv.
flavorless protein powder126K/yr -5.0%3.9% conv.
unflavored whey protein powder122K/yr +1.6%3.5% conv.
naked protein127K/yr +1.8%3.6% conv.
whey protein powder unflavored94K/yr +10.8%4.0% conv.
whey protein isolate unflavored86K/yr +24.3%2.0% conv.
naked nutrition85K/yr +18.5%0.9% conv.

All search terms

Top unflavored protein powder 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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

Isopure Zero Carb 100% Pure Whey Isolate Protein Powder Gluten Free with Vitamins Unflavored 25g Protein Per Serving 1 Lb 16 Servings (Packaging May Vary)

Isopure$25.864.4★40,202 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$44.274.2★8,125 rev

NAKED Whey Isolate Protein - Only 2 Ingredients 30g Grass-Fed Protein Zero Carb Unflavored Undenatured Non-GMO No Soy Gluten-Free No Preservatives - 28 Servings

NAKED$54.584.4★1,566 rev

NAKED Whey 5LB 100% Grass Fed Unflavored Whey Protein Powder - Only 1 Ingredient NSF Certified Undenatured Gluten Free Soy Free Promote Muscle Growth and Recovery - 76 Servings

NAKED$98.304.3★10,286 rev

Newest

by launch date

Isopure Essentials 100% Whey Protein Powder with Vitamins 20g Protein Per Serving Unflavored 13 Servings (Pack of 1)

Isopure$20.84117 rev

8mo ago

NAKED Chocolate Whey Isolate Protein - Only 6 Ingredients 30g Grass-Fed Protein Undenatured No GMO No Soy Gluten-Free No Preservatives - 24 Servings

NAKED$55.91234 rev

11mo ago

NAKED Whey Isolate Protein - Only 2 Ingredients 30g Grass-Fed Protein Zero Carb Unflavored Undenatured Non-GMO No Soy Gluten-Free No Preservatives - 28 Servings

NAKED$54.581,566 rev

1y ago

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

2y ago

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

2y ago

What buyers say about unflavored protein powder

What buyers praise and complain about, mined from review topics.

What buyers love

Nutritional Content21%

“Excellent protein supplement”

Taste-Overall13%

“No weird taste”

Quality-Overall8%

“well reviewed product”

Flavor8%

“Good flavor”

Solubility6%

“Easy to mix”

Ingredients-Overall4%

“Clean ingredients”

Blend/Ratio4%

“it blends very well”

Value For Money3%

“Reasonable price”

Advertised Vs Actual Product2%

“As described”

Sweetness1%

“Slightly sweet”

What buyers complain about

Taste-Overall21%

“Metallic taste”

Flavor10%

“Inconsistent flavor”

Solubility7%

“Dissolves Poorly”

Nutritional Content6%

“The protein and nutritional content of the product, we have an issue”

Value For Money5%

“High price”

Artificial Sweeteners2%

“Contains Sucralose, possibly the worst artificial sweetener”

Texture/Consistency-Overall2%

“gritty texture”

Smell2%

“Chemical smell and taste”

Quality-Overall2%

“Horrible quality control”

Ingredients-Overall1%

“Limited ingredients”

Top return reasons

Value For Money100%

Common questions

Is unflavored protein powder profitable to sell on Amazon United States?: The niche generates $8.8M/yr across 20 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +3.8%. Flapen's verdict: Launch it (63/100).
How competitive is the unflavored protein powder niche?: 8 brands and 35 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in unflavored protein powder?: Top complaints mined from reviews: Taste-Overall, Flavor, Solubility. The return rate is 0.0%.
When does demand for unflavored protein powder peak?: Demand peaks in Apr–May; the busiest month runs 2.0× the quietest.
What does it cost to enter the unflavored protein powder niche?: Listings span $20.84–$98.60; the average listing price is $46.71 (sweet spot $15–$100). The average incumbent carries 7,055 reviews — the moat a new listing must climb.