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

The niche generates $68K/yr across 12 tracked products. 90-day search growth is -1.5%. Flapen's verdict: Skip it (38/100).

How competitive is the isoflex protein powder niche?

3 brands and 20 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in isoflex protein powder?

Top complaints mined from reviews: Taste-Overall, Flavor, Acid Regulator/Stomach Ache Relief. The return rate is 0.1%.

When does demand for isoflex protein powder peak?

Demand peaks in Aug–Sep; the busiest month runs 2.1× the quietest.

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

Listings span $15.77–$97.68; the average listing price is $58.21 (sweet spot $15–$100). The average incumbent carries 1,053 reviews — the moat a new listing must climb.

Isoflex Protein Powder

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Price range

Incredible$15.77–$97.68

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

Avg price

Great$58.21

avg listing price — sweet spot $15–$100

Review moat

Good1,052.75

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.5%

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

Growth

Bad-1.5%

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

Competition

Bad76%

top-5 click share — a locked-up shelf

Market size

Bad$68K

$68K/yr · 48K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

Is isoflex protein powder profitable on Amazon?

According to Flapen's Amazon United States niche tracking, isoflex protein powder is a $68K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 38/100.

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

isoflex protein powder market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: $116K–$146K; units × avg price
Conversion rate: 2.5%
Avg BSR: #62
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 5.6%
Avg brand age: 86 months
Avg seller age: 141 days

Competition: brands, sellers & click share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

ALLMAX96%
Allmax3%
Isoflex2%
Open — no brand owns it (0%)

isoflex protein powder demand & seasonality

Weekly Amazon search volume, last 101 weeks — -1.5% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 2.1×

Open Trend

Top isoflex protein powder search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

isoflex protein powder28K/yr -1.5%3.8% conv.
isoflex15K/yr +2.1%2.5% conv.
all max whey protein powder3K/yr -2.5%0.4% conv.
isoflex protein2K/yr -24.7%0.9% conv.

All search terms

Top isoflex protein powder products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Top sellers

by 90-day click share

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Vanilla 2lb

ALLMAX$49.984.6★1,291 rev

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly Pre Post Workout Supplement Women and Men | Chocolate Peanut Butter 5lb

ALLMAX$95.664.7★2,058 rev

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Chocolate 5lb

ALLMAX$95.914.6★1,322 rev

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Vanilla 5lb

ALLMAX$97.684.6★1,291 rev

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Vanilla 1lb

ALLMAX$25.994.6★1,291 rev

Newest

by launch date

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Blueberry Muffin 2lb

Allmax$48.1023 rev

2y ago

Isoflex Hand Therapy And Exercise Ball with an e-Book. 2 Pack - One Solid Color And One Marblized. Ideal For Stress Relief - Hand and Wrist Exercise for ADD/ADHD - For All Ages (Assorted Colors)

Isoflex$15.77856 rev

6y ago

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Caramel Macchiato 2lb

ALLMAX$47.99171 rev

10y ago

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Chocolate 1lb

ALLMAX$26.981,322 rev

12y ago

ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly for Pre Post Workout Supplement for Women and Men | Vanilla 1lb

ALLMAX$25.991,291 rev

12y ago

What reviews say buyers love and hate about isoflex protein powder

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

What buyers love

Nutritional Content23%

“Amazing protein powder”

Taste-Overall20%

“Great peanut butter chocolate taste”

Quality-Overall17%

“Excellent product”

Flavor11%

“Outstanding Flavor”

Solubility5%

“mixes very well in just water”

Value For Money3%

“great value”

Regulates Digestion3%

“Easy to digest”

Blend/Ratio2%

“Mixes well”

Freshness1%

“protein was fresh”

Eco Friendliness1%

“is manufactured with the best methods to ensure bioavailability”

What buyers complain about

Taste-Overall36%

“Taste terrible”

Flavor13%

“the vanilla flavor wasnt great”

Acid Regulator/Stomach Ache Relief6%

“Horrific bloating and gas”

Dilute/Watery4%

“This has been hands-down some of the worst mixing”

Value For Money4%

“getting too expensive”

Smell3%

“tastes like potting soil smells”

Quality-Overall2%

“Quality is not the same anymore”

Ease Of Chewing/Swallowing2%

“was hard to drink”

Stretchability/Expandability/Elasticity2%

“one the outside cover is so stretched out you cant use it properly”

Ingredients-Overall2%

“It tastes very medicinal and chemical-like”

Top return reasons

Hard Feel29%

Durability14%

Leak-Proof14%

Ease Of Use14%

Functionality-Overall14%

Color7%

Size-Overall7%

Common isoflex protein powder questions

Is isoflex protein powder profitable to sell on Amazon United States?: The niche generates $68K/yr across 12 tracked products. 90-day search growth is -1.5%. Flapen's verdict: Skip it (38/100).
How competitive is the isoflex protein powder niche?: 3 brands and 20 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in isoflex protein powder?: Top complaints mined from reviews: Taste-Overall, Flavor, Acid Regulator/Stomach Ache Relief. The return rate is 0.1%.
When does demand for isoflex protein powder peak?: Demand peaks in Aug–Sep; the busiest month runs 2.1× the quietest.
What does it cost to enter the isoflex protein powder niche?: Listings span $15.77–$97.68; the average listing price is $58.21 (sweet spot $15–$100). The average incumbent carries 1,053 reviews — the moat a new listing must climb.