---
title: "isoflex protein powder — Niche Verdict: Skip it (38/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/isoflex-protein-powder"
last_updated: "2026-07-13T21:08:38.738Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 100% of clicks) — isoflex protein powder doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 100% of clicks) — isoflex protein powder doesn't clear our bar today."
  "og:title": "isoflex protein powder — Niche Verdict: Skip it (38/100) | Amazon United States - Flapen"
---

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# **isoflex protein powder**

**Skip it**

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

Market size 17Growth 24Conversion 31Competition 20Returns 99Price range 95Avg price 90Brand share 0Review moat 61Quality gap 35

**Returns**

**Incredible****0.1%**

return rate — above 6% 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**

**Good****1,052.75**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****2.5%**

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

**Growth**

**Bad****-1.5%**

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

**Competition**

**Bad****76%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$68K**

$68K/yr · 48K searches

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Competition**

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

**Brands**

**3 **▼falling

**Sellers**

**20**

**Top-5 brand share**

**100%**

**Open market**

**0%**

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

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$7K20%$14K30%$20K40%$27K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![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](https://m.media-amazon.com/images/I/41dLwXHXmnL.jpg)**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**$49.98**4.6★1,291 rev](https://www.amazon.com/dp/B0043MYIN6) [2![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](https://m.media-amazon.com/images/I/51WDyBZCb7L.jpg)**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**$95.66**4.7★2,058 rev](https://www.amazon.com/dp/B001JDQ6N2) [3![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](https://m.media-amazon.com/images/I/41sV7mHXJFL.jpg)**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**$95.91**4.6★1,322 rev](https://www.amazon.com/dp/B00474L9DM) [4![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](https://m.media-amazon.com/images/I/41+wOdJvNuL.jpg)**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**$97.68**4.6★1,291 rev](https://www.amazon.com/dp/B00H4GW5NS) [5![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](https://m.media-amazon.com/images/I/51wDUGWNonL.jpg)**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**$25.99**4.6★1,291 rev](https://www.amazon.com/dp/B00HHYBIQ2)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41-yPROgPxL.jpg)**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**$48.10**23 rev2y ago](https://www.amazon.com/dp/B0CHFVXHLW) [![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)](https://m.media-amazon.com/images/I/41RPwKcvL7L.jpg)**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**$15.77**856 rev6y ago](https://www.amazon.com/dp/B089G8HGVN) [![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](https://m.media-amazon.com/images/I/41vLut5R1IL.jpg)**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**$47.99**171 rev10y ago](https://www.amazon.com/dp/B01HOI6L4E) [![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](https://m.media-amazon.com/images/I/51q1yte+3qL.jpg)**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**$26.98**1,322 rev12y ago](https://www.amazon.com/dp/B00ITXRUFI) [![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](https://m.media-amazon.com/images/I/51wDUGWNonL.jpg)**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**$25.99**1,291 rev12y ago](https://www.amazon.com/dp/B00HHYBIQ2)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly Pre Post Workout Supplement for Women and Men | Strawberry 2lb](https://m.media-amazon.com/images/I/41xqKt6maCL.jpg)**ALLMAX ISOFLEX Pure Whey Isolate Protein Powder - Gluten Free Low Lactose Sugar-Free - High-Protein Clean Keto-Friendly Pre Post Workout Supplement for Women and Men | Strawberry 2lb**ALLMAX**$52.65**4.6★**▲ 112%**](https://www.amazon.com/dp/B00CQ7SAQ6) [![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](https://m.media-amazon.com/images/I/51q1yte+3qL.jpg)**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**$26.98**4.6★**▲ 69%**](https://www.amazon.com/dp/B00ITXRUFI) [![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](https://m.media-amazon.com/images/I/41dLwXHXmnL.jpg)**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**$49.98**4.6★**▲ 43%**](https://www.amazon.com/dp/B0043MYIN6) [![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](https://m.media-amazon.com/images/I/41vLut5R1IL.jpg)**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**$47.99**4.5★**▲ 32%**](https://www.amazon.com/dp/B01HOI6L4E) [![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](https://m.media-amazon.com/images/I/41+wOdJvNuL.jpg)**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**$97.68**4.6★**▲ 17%**](https://www.amazon.com/dp/B00H4GW5NS)

**~~View all trending →~~**

## **Demand & seasonality**

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

4K3KSpike '24Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

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

## **Reviews**

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

### **What buyers love **

**Nutritional Content**23%

*“Amazing protein powder”*

**Taste-Overall**20%

*“Great peanut butter chocolate taste”*

**Quality-Overall**17%

*“Excellent product”*

**Flavor**11%

*“Outstanding Flavor”*

**Solubility**5%

*“mixes very well in just water”*

**Value For Money**3%

*“great value”*

**Regulates Digestion**3%

*“Easy to digest”*

**Blend/Ratio**2%

*“Mixes well”*

**Freshness**1%

*“protein was fresh”*

**Eco Friendliness**1%

*“is manufactured with the best methods to ensure bioavailability”*

### **What buyers complain about **

**Taste-Overall**36%

*“Taste terrible”*

**Flavor**13%

*“the vanilla flavor wasnt great”*

**Acid Regulator/Stomach Ache Relief**6%

*“Horrific bloating and gas”*

**Dilute/Watery**4%

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

**Value For Money**4%

*“getting too expensive”*

**Smell**3%

*“tastes like potting soil smells”*

**Quality-Overall**2%

*“Quality is not the same anymore”*

**Ease Of Chewing/Swallowing**2%

*“was hard to drink”*

**Stretchability/Expandability/Elasticity**2%

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

**Ingredients-Overall**2%

*“It tastes very medicinal and chemical-like”*

### **Top return reasons **

**Hard Feel**29%

**Durability**14%

**Leak-Proof**14%

**Ease Of Use**14%

**Functionality-Overall**14%

**Color**7%

**Size-Overall**7%