---
title: "Spirulina Protein Powder — $269K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/spirulina-protein-powder"
last_updated: "2026-08-11T09:42:05.725Z"
locale: en
meta:
description: "Niche score 49/100 · $269K/yr market · 93K searches/yr · $36.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $269K/yr market · 93K searches/yr · $36.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Spirulina Protein Powder — $269K/yr Amazon US Niche (2026) - Flapen"
---
# **spirulina protein powder**
**Skip it**
Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size 49Growth 17Conversion 79Competition 34Returns 100Price range 88Avg price 95Brand share 12Review moat 44Quality gap 37
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$36.36**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.99–$67.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$269K**
$269K/yr · 93K searches
**Review moat**
**Okay****2,136.59**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-16.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, spirulina protein powder is a $269K/yr Amazon United States market (93K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 49/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spirulina protein powder market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$218K–$291K**
- units × avg price
- **Conversion rate**
- **7.9%**
- **Avg BSR**
- **#166**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **59%**
- **Out of stock**
- **0.3%**
- **Avg brand age**
- **79 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**7 **▲rising
**Sellers**
**16**
**Top-5 brand share**
**95%**
Top 20: 98%
**Top-5 click share**
**65%**
Top 20: 98%
**Open market**
**3%**
- NaturesPlus72% - Zazzee14% - Kate Naturals5% - Nutricost3% - --2% - NutraChamps2% - Open — no brand owns it (1 brand, 3%)
## **Demand**
Weekly Amazon search volume, last 36 weeks — -16.5% search growth over the last 90 days.
3K2KSpike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/health-household/spirulina-protein-powder/trend)
## **Top spirulina protein powder search terms**
- **spirutein protein powder**29K/yr-1.0%9.0% conv. - **spirulina protein**19K/yr-35.0%0.7% conv. - **spirutein**16K/yr+1.1%7.3% conv. - **spirulina protein powder**20K/yr-36.2%2.1% conv. - **spirutein vanilla protein powder**4K/yr+8.6%16.4% conv. - **spiru-tein protein powder**4K/yr-2.8%9.1% conv. - **spiru-tein**2K/yr+16.7%6.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/spirulina-protein-powder/search-terms)
## **Top spirulina 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.
0%10%$27K20%$54K30%$81K40%$107K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NaturesPlus SPIRU-TEIN Vanilla - 1.06 lbs - Spirulina Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 16 Servings**NaturesPlus**$25.52**4.6★3,071 rev](https://www.amazon.com/dp/B0011FY84C) [2**Zazzee USDA Organic Spirulina Powder 2.2 Pounds (1 KG) 303 Servings Certified Kosher 100% Pure Non-Irradiated Mess-Free Wide Mouth Container Fresh Smell and Neutral Taste Non-GMO Made in USA**Zazzee**$39.92**4.5★7,653 rev](https://www.amazon.com/dp/B01MT2VPRC) [3**NaturesPlus SPIRU-TEIN Vanilla - 2.12 lbs - Spirulina Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 32 Servings**NaturesPlus**$44.26**4.6★3,071 rev](https://www.amazon.com/dp/B01MQ09ICX) [4**NaturesPlus SPIRU-TEIN Vanilla - 4 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings**NaturesPlus**$66.24**4.8★131 rev](https://www.amazon.com/dp/B0CHKZX5WQ) [5**NaturesPlus SPIRU-TEIN Chocolate - 1.05 lb - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 17 Total Servings**NaturesPlus**$26.66**4.6★1,287 rev](https://www.amazon.com/dp/B0001VU9OK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NutraChamps Super Greens Powder Premium Superfood | 20+ Organic Green Veggie Whole Foods | Wheat Grass Spirulina Chlorella | Antioxidant Digestive Enzyme & Probiotic Blends (9.0 Oz Unflavored)**NutraChamps**$29.73**373 rev2y ago](https://www.amazon.com/dp/B0CGRSZGNN) [**NaturesPlus SPIRU-TEIN Vanilla - 4 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings**NaturesPlus**$66.24**131 rev2y ago](https://www.amazon.com/dp/B0CHKZX5WQ) [**NaturesPlus SPIRU-TEIN Chocolate - 3.7 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings**NaturesPlus**$67.05**1,287 rev2y ago](https://www.amazon.com/dp/B0CHKJ6WMQ) [**NaturesPlus SPIRU-TEIN Strawberry - 4.5 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings**NaturesPlus**$67.53**935 rev2y ago](https://www.amazon.com/dp/B0CHKML5ZZ) [**Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient Dense Superfood Supplement (8 oz USDA Certified Non-GMO Gluten- Free)**Kate Naturals**$9.99**5,086 rev4y ago](https://www.amazon.com/dp/B09HLDRNVB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**NutraChamps Super Greens Powder Premium Superfood | 20+ Organic Green Veggie Whole Foods | Wheat Grass Spirulina Chlorella | Antioxidant Digestive Enzyme & Probiotic Blends (9.0 Oz Unflavored)**NutraChamps**$29.73**4.5★**▲ 328%**](https://www.amazon.com/dp/B0CGRSZGNN) [**NaturesPlus SPIRU-TEIN Simply Natural Original Vanilla - 0.81 lb - Unsweetened Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 16 Total Servings**NaturesPlus**$29.69**4.4★**▲ 38%**](https://www.amazon.com/dp/B000EUEW1O) [**NaturesPlus SPIRU-TEIN Blueberries & Cream - 1.12 lb - Plant-Based Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 15 Servings**NaturesPlus**$29.84**4.5★**▲ 22%**](https://www.amazon.com/dp/B000EUH1TY) [**NaturesPlus SPIRU-TEIN Vanilla - 1.06 lbs - Spirulina Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 16 Servings**NaturesPlus**$25.52**4.6★**▲ 20%**](https://www.amazon.com/dp/B0011FY84C) [**Nutricost Organic Spirulina Powder 454 Grams 1LB - Pure Certified Organic Spirulina**Nutricost**$21.22**4.5★**▲ 19%**](https://www.amazon.com/dp/B00WAPA2NS)
**~~View all trending →~~**
## **What buyers say about spirulina protein powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**16%
*“Has a earthy taste”*
**Quality-Overall**13%
*“Product is top notch”*
**Nutritional Content**13%
*“This is the best protein powder”*
**Value For Money**7%
*“Good Value”*
**Advertised Vs Actual Product**7%
*“Product is just as advertised”*
**Flavor**4%
*“Good flavor”*
**Energy Level**4%
*“It's very effective in boosting my energy”*
**Blend/Ratio**3%
*“Blends well”*
**Ease Of Use**3%
*“Easy to use”*
**Vitamin**2%
*“Great supplement all around”*
### **What buyers complain about **
**Taste-Overall**24%
*“Horrible taste”*
**Smell**7%
*“honestly this smells like fish food”*
**Advertised Vs Actual Product**5%
*“Unhappy with the false advertising”*
**Value For Money**4%
*“Waste of money”*
**Sweetness**4%
*“Too much sugar”*
**Flavor**4%
*“Not as good as ther flavors”*
**Ingredients-Overall**3%
*“unfortunately multiple times before I realized it had to be this product causing the flares”*
**Solubility**3%
*“Did not dissolve very well”*
**Side Effects**3%
*“unfortunately multiple times before I realized it had to be this product causing the flares”*
**Nutritional Content**2%
*“This is terrible protein powder”*
### **Top return reasons **
**Heating**14%
**Quality-Overall**14%
**Size-Overall**14%
**Nutritional Content**14%
**Acid Regulator/Stomach Ache Relief**14%
**Functionality-Overall**14%
**Iron**14%
## **Common questions**
- **Is spirulina protein powder profitable to sell on Amazon United States?**
- The niche generates $269K/yr across 22 tracked products. 90-day search growth is -16.5%. Flapen's verdict: Skip it (49/100).
- **How competitive is the spirulina protein powder niche?**
- 7 brands and 16 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in spirulina protein powder?**
- Top complaints mined from reviews: Taste-Overall, Smell, Advertised Vs Actual Product. The return rate is 0.0%.
- **What does it cost to enter the spirulina protein powder niche?**
- Listings span $9.99–$67.53; the average listing price is $36.36 (sweet spot $15–$100). The average incumbent carries 2,137 reviews — the moat a new listing must climb.
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