---
title: "Isoflex Protein Powder — $6K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/isoflex-protein-powder"
last_updated: "2026-08-12T12:38:53.708Z"
locale: en
meta:
description: "Amazon product research for isoflex protein powder: $6K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for isoflex protein powder: $6K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Isoflex Protein Powder — $6K/mo Amazon US Product Research"
---
# **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 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**
**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
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
## **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 ~~](https://flapen.com/research/methodology)
## **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**
**20**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**0%**
- 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.
4K3KSpike '24Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/health-household/isoflex-protein-powder/trend)
## **Top isoflex protein powder search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **isoflex protein powder**28K/yr-1.5%3.8% conv. - **isoflex**15K/yr+2.1%2.5% conv. - **all max whey protein powder**3K/yr-2.5%0.4% conv. - **isoflex protein**2K/yr-24.7%0.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/isoflex-protein-powder/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.
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**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**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**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**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**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**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)**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**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**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**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**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**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**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**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**ALLMAX**$97.68**4.6★**▲ 17%**](https://www.amazon.com/dp/B00H4GW5NS)
**~~View all trending →~~**
## **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 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%
## **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.
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