---
title: "Nutricost Whey Protein Isolate — $817K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/nutricost-whey-protein-isolate"
last_updated: "2026-08-12T04:07:34.309Z"
locale: en
meta:
description: "Niche score 56/100 · $817K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $817K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Nutricost Whey Protein Isolate — $817K/yr Amazon US Niche (2026) - Flapen"
---
# **nutricost whey protein isolate**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 74Growth 49Conversion 64Competition 51Returns 100Price range 58Avg price 91Brand share 0Review moat 22Quality gap 55
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$56.37**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$817K**
$817K/yr · 256K searches
**Conversion**
**Good****5.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$18.80–$159.52**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****55%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+19.6%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****9,234.56**
avg incumbent reviews — the moat a new listing must climb
**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")
According to Flapen's Amazon United States niche tracking, nutricost whey protein isolate is a $817K/yr Amazon United States market (256K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Aug. Verdict: Worth a look — 56/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nutricost whey protein isolate market data**
- **Units sold / yr**
- **15K–20K**
- avg 500–750/product
- **Revenue / yr**
- **$846K–$1.1M**
- units × avg price
- **Conversion rate**
- **5.7%**
- **Avg BSR**
- **#50**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **2.1%**
- **Avg brand age**
- **85 months**
- **Avg seller age**
- **137 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**3 **▼falling
**Sellers**
**37**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 93%
**Open market**
**0%**
- Isopure52% - Nutricost46% - Dymatize1%
## **Demand & seasonality**
Weekly Amazon search volume, last 98 weeks — +19.6% search growth over the last 90 days.
15K10KPrime Day '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: May, Aug · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/health-household/nutricost-whey-protein-isolate/trend)
## **Top nutricost whey protein isolate search terms**
- **nutricost whey protein isolate**93K/yr+15.8%3.7% conv. - **isopure protein powder vanilla**48K/yr+30.4%7.2% conv. - **isopure vanilla protein powder**23K/yr+25.2%9.4% conv. - **isopure vanilla**17K/yr+29.3%7.2% conv. - **isopure protein vanilla**13K/yr+17.5%8.9% conv. - **isopure zero carb protein powder vanilla**8K/yr+66.6%7.4% conv. - **nutricost whey isolate**6K/yr+35.4%2.7% conv. - **vanilla whey isolate**5K/yr-1.3%2.9% conv. - **gluten free vanilla protein powder**5K/yr+24.9%0.1% conv. - **isopure protein powder vanilla zero carb**4K/yr+56.7%8.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/nutricost-whey-protein-isolate/search-terms)
## **Top nutricost whey protein isolate 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.
0%5%$41K10%$82K15%$123K20%$163K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Isopure Zero Carb 100% Pure Whey Isolate Protein Powder Lactose Free Gluten Free with Vitamins Creamy Vanilla 25g Protein Per Serving 1 Lb 15 Servings (Packaging May Vary)**Isopure**$27.05**4.5★28,728 rev](https://www.amazon.com/dp/B002U7YZXY) [2**Nutricost Whey Protein Isolate (Unflavored) 5LBS**Nutricost**$77.20**4.3★3,040 rev](https://www.amazon.com/dp/B01HOPJAAE) [3**Isopure Zero Carb 100% Pure Whey Isolate Protein Powder Gluten Free with Vitamins Creamy Vanilla 25g Protein Per Serving 3 Lbs 44 Servings (Packaging May Vary)**Isopure**$73.65**4.5★28,728 rev](https://www.amazon.com/dp/B000E95HP0) [4**Isopure Zero Carb 100% Pure Whey Isolate Protein Powder Gluten Free With Vitamins Creamy Vanilla 25g Protein Per Serving 4.5 Lbs 66 Servings (Packaging May Vary)**Isopure**$99.73**4.5★28,728 rev](https://www.amazon.com/dp/B06XQSRYRZ) [5**Isopure Protein + Gut Health & Immune Support Powder Vanilla Crme 25g Whey Protein with Prebiotics & Vitamins 12 Servings (Pack of 1)**Isopure**$26.91**4.4★145 rev](https://www.amazon.com/dp/B0FPS25261)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nutricost Whey Protein Isolate Powder (Pumpkin Spice) 5 LB - 30g of Protein GMO-Free Gluten-Free 63 Servings**Nutricost**$72.37**60 rev5mo ago](https://www.amazon.com/dp/B0GJTSFFKR) [**Isopure Essentials 100% Whey Protein Powder with Vitamins 20g Protein Per Serving Vanilla Buttercream 13 Servings (Pack of 1)**Isopure**$18.80**121 rev8mo ago](https://www.amazon.com/dp/B0G192CH7T) [**Isopure Protein + Gut Health & Immune Support Powder Vanilla Crme 25g Whey Protein with Prebiotics & Vitamins 12 Servings (Pack of 1)**Isopure**$26.91**145 rev10mo ago](https://www.amazon.com/dp/B0FPS25261) [**Nutricost Grass-Fed Whey Protein Isolate (Chocolate Peanut Butter) 2LBS - Non-GMO Gluten Free Natural Flavors**Nutricost**$46.65**147 rev2y ago](https://www.amazon.com/dp/B0D1RQ2WR7) [**Nutricost Whey Protein Isolate (Cookies N Cream) 5LBS**Nutricost**$75.71**268 rev3y ago](https://www.amazon.com/dp/B0C6X3VX2T)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nutricost Whey Protein Concentrate (Chocolate Peanut Butter) 5LBS - Gluten Free & Non-GMO**Nutricost**$61.65**4.5★**▲ 119%**](https://www.amazon.com/dp/B089ZVRR82) [**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**$25.86**4.4★**▲ 87%**](https://www.amazon.com/dp/B00SCO8AA8) [**Isopure Zero Carb 100% Pure Whey Isolate Protein Powder Gluten Free With Vitamins Creamy Vanilla 25g Protein Per Serving 7.5 Lbs 110 Servings (Packaging May Vary)**Isopure**$159.52**4.5★**▲ 82%**](https://www.amazon.com/dp/B0015QXA8C) [**Nutricost Whey Protein Concentrate (Chocolate) 2LBS - Gluten Free & Non-GMO**Nutricost**$33.54**4.4★**▲ 73%**](https://www.amazon.com/dp/B0B5YPGQWW) [**Isopure Protein + Gut Health & Immune Support Powder Vanilla Crme 25g Whey Protein with Prebiotics & Vitamins 12 Servings (Pack of 1)**Isopure**$26.91**4.4★**▲ 71%**](https://www.amazon.com/dp/B0FPS25261)
**~~View all trending →~~**
## **What buyers say about nutricost whey protein isolate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Nutritional Content**21%
*“GREAT Protein powder”*
**Taste-Overall**17%
*“This tastes AMAZING”*
**Quality-Overall**9%
*“Overall, it offers a great balance of price, quality, and size”*
**Flavor**9%
*“Unique flavor”*
**Solubility**6%
*“Dissolves easily”*
**Value For Money**5%
*“Great deal”*
**Blend/Ratio**4%
*“Great mixing”*
**Sweetness**2%
*“zero or very few sugars”*
**Texture/Consistency-Overall**1%
*“Pleasant taste & texture”*
**Advertised Vs Actual Product**1%
*“As advertised”*
### **What buyers complain about **
**Taste-Overall**16%
*“gross taste”*
**Value For Money**13%
*“Priced to high”*
**Flavor**9%
*“its unflavored”*
**Solubility**6%
*“Does not mix well”*
**Nutritional Content**4%
*“Inconsistency in the nutrition facts”*
**Sweetness**2%
*“Vanilla tastes too sugary to me”*
**Texture/Consistency-Overall**2%
*“Chalky Texture”*
**Artificial Sweeteners**2%
*“Tastes like artificial sweetener”*
**Advertised Vs Actual Product**2%
*“Totally false advertising”*
**Ingredients-Overall**1%
*“too many untested ingredients”*
### **Top return reasons **
**Nutritional Content**100%
## **Common questions**
- **Is nutricost whey protein isolate profitable to sell on Amazon United States?**
- The niche generates $817K/yr across 27 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +19.6%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the nutricost whey protein isolate niche?**
- 3 brands and 37 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in nutricost whey protein isolate?**
- Top complaints mined from reviews: Taste-Overall, Value For Money, Flavor. The return rate is 0.0%.
- **When does demand for nutricost whey protein isolate peak?**
- Demand peaks in May–Aug; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the nutricost whey protein isolate niche?**
- Listings span $18.80–$159.52; the average listing price is $56.37 (sweet spot $15–$100). The average incumbent carries 9,235 reviews — the moat a new listing must climb.
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