---
title: "Spirulina — $3.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/spirulina"
last_updated: "2026-08-11T05:04:40.210Z"
locale: en
meta:
description: "Niche score 56/100 · $3.0M/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 · $3.0M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Spirulina — $3.0M/yr Amazon US Niche (2026) - Flapen"
---
# **spirulina**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 96Growth 18Conversion 64Competition 35Returns 100Price range 73Avg price 91Brand share 45Review moat 24Quality gap 30
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$3.0M**
$3.0M/yr · 2.4M searches
**Avg price**
**Great****$21.49**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$5.82–$39.92**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****5.7%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****5,416.88**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-14.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, spirulina is a $3.0M/yr Amazon United States market (2.4M searches/yr). The top 5 brands hold 78% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spirulina market data**
- **Units sold / yr**
- **150K–200K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **$3.2M–$4.3M**
- units × avg price
- **Conversion rate**
- **5.7%**
- **Avg BSR**
- **#183**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **3.4%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **153 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**564**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**17%**
- Kate Naturals26% - Micro Ingredients20% - Zazzee19% - NOW Foods8% - Nutrex Hawaii5% - Incas by Asiya Life5% - Open — no brand owns it (5 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — -14.1% search growth over the last 90 days.
70K50KSpike '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/spirulina/trend)
## **Top spirulina search terms**
- **spirulina**1.3M/yr-12.4%4.6% conv. - **spirulina powder organic**498K/yr-31.6%5.7% conv. - **spirulina powder**289K/yr-3.6%5.3% conv. - **espirulina**62K/yr+27.5%2.0% conv. - **organic spirulina powder**59K/yr-15.2%5.2% conv. - **espirulina organica**36K/yr+42.3%2.1% conv. - **organic spirulina**42K/yr-10.3%5.2% conv. - **spirulina organic**24K/yr-8.2%4.2% conv. - **espirulina en polvo organica pura**22K/yr+11.1%2.3% conv. - **spirulina protein**19K/yr-36.3%0.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/spirulina/search-terms)
## **Top spirulina 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%$298K20%$596K30%$894K40%$1.2M1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient Dense Superfood Supplement (8 oz USDA Certified Non-GMO Gluten- Free)**Kate Naturals**$9.96**4.5★5,173 rev](https://www.amazon.com/dp/B09HLDRNVB) [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★7,699 rev](https://www.amazon.com/dp/B01MT2VPRC) [3**Organic Spirulina Powder 1lb | Blue-Green Algae Naturally Occurring Vegan Protein Vitamins & Minerals | Source of Natural Chlorophyll & Enzymes | Non-GMO Gluten-Free No Additives**Micro Ingredients**$21.67**4.5★9,857 rev](https://www.amazon.com/dp/B01DPW5FWW) [4**NOW Foods Supplements Certified Organic Spirulina 1000 mg (Double Strength) Rich in Beta-Carotene (Vitamin A) and B-12 with naturally occurring GLA 120 Tablets**NOW Foods**$12.63**4.6★8,154 rev](https://www.amazon.com/dp/B00HCBN674) [5**USDA Organic Blue Spirulina Powder (Phycocyanin Extract) No Fishy Smell 100% Vegan Protein from Blue-Green Algae 28 Servings Natural Food Coloring for Smoothies Baking & Drinks (1 Ounce)**Incas by Asiya Life**$16.18**4.6★1,114 rev](https://www.amazon.com/dp/B08YRDBFFX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nutrex Hawaii Pure Hawaiian Spirulina Powder - Vegan Superfood Farm Grown Non-GMO Immune Support & Cellular Energy 90 Day Supply 9.53 Oz**Nutrex Hawaii**$25.21**6,993 rev10mo ago](https://www.amazon.com/dp/B0FSTJMJFT) [**Micro Ingredients Organic Spirulina Chlorella Mini Tablets 2 500 Tablets (8 Month Supply) | 50/50 Algae Blend | No Fillers Non-GMO**Micro Ingredients**$26.72**478 rev1y ago](https://www.amazon.com/dp/B0F3GG32FF) [**365 by Whole Foods Market Organic Spirulina Superfood Powder 4 Ounce**365 by Whole Foods Market**$12.48**694 rev3y ago](https://www.amazon.com/dp/B08S57JN8K) [**Carlyle Organic Spirulina Tablets | 3500mg | 500 Count**Carlyle**$14.42**1,524 rev3y ago](https://www.amazon.com/dp/B0C5N7WMJF) [**Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient Dense Superfood Supplement (8 oz USDA Certified Non-GMO Gluten- Free)**Kate Naturals**$9.96**5,173 rev4y ago](https://www.amazon.com/dp/B09HLDRNVB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**NOW Supplements Organic Spirulina 500 mg with Vitamins Minerals and GLA (Gamma-Linolenic Acid) 100 Tablets**NOW Foods**$5.82**4.6★**▲ 170%**](https://www.amazon.com/dp/B00028M616) [**USDA Organic Blue Spirulina Powder (Phycocyanin Extract) No Fishy Smell 100% Vegan Protein from Blue-Green Algae 28 Servings Natural Food Coloring for Smoothies Baking & Drinks (1 Ounce)**Incas by Asiya Life**$16.18**4.6★**▲ 117%**](https://www.amazon.com/dp/B08YRDBFFX) [**Nutrex Hawaii Pure Hawaiian Spirulina Powder - Vegan Superfood Farm Grown Non-GMO Immune Support & Cellular Energy 90 Day Supply 9.53 Oz**Nutrex Hawaii**$25.21**4.6★**▲ 115%**](https://www.amazon.com/dp/B0FSTJMJFT) [**Organic Spirulina Tablets (360 Tablets) - Made with Parry Spirulina The Best Spirulina in the World Highest Nutrient Density - Non-Irradiated 3 Organic Certifications (90 Servings)**Triquetra Health**$28.63**4.6★**▲ 82%**](https://www.amazon.com/dp/B08S4982CC) [**Micro Ingredients Organic Spirulina Chlorella Mini Tablets 2 500 Tablets (8 Month Supply) | 50/50 Algae Blend | No Fillers Non-GMO**Micro Ingredients**$26.72**4.7★**▲ 72%**](https://www.amazon.com/dp/B0F3GG32FF)
**~~View all trending →~~**
## **What buyers say about spirulina**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Excellent product”*
**Nutritional Content**9%
*“Excellent food supplement”*
**Taste-Overall**8%
*“Has a earthy taste”*
**Value For Money**8%
*“Great product for a reasonable price”*
**Energy Level**7%
*“boost my energy”*
**Advertised Vs Actual Product**5%
*“Product is just as advertised”*
**Ease Of Use**4%
*“Easy to use”*
**Vegan/Organic**4%
*“Organic vitamins”*
**Color**4%
*“The color is awesome”*
**Vitamin**2%
*“Great supplement”*
### **What buyers complain about **
**Taste-Overall**15%
*“taste that is unpleasant to me”*
**Smell**7%
*“Fishy smell”*
**Advertised Vs Actual Product**5%
*“Unhappy with the false advertising”*
**Dosage**5%
*“False advertising on dosage amounts”*
**Quality-Overall**4%
*“I would rather pay extra to have better quality spirulina that doesn't have the cancer risk on the packaging”*
**Side Effects**4%
*“These wrecked our stomachs”*
**Acid Regulator/Stomach Ache Relief**3%
*“the painful bloating that makes eating impossible”*
**Value For Money**3%
*“Kind of disappointing especially for the price”*
**Nutritional Content**3%
*“Health problems”*
**Size-Overall**3%
*“Bag smaller than expected”*
### **Top return reasons **
**Advertised Vs Actual Product**31%
**Dosage**13%
**Value For Money**11%
**Size-Overall**7%
**Smell**6%
**Functionality-Overall**5%
**Nutritional Content**4%
**Heart Health**3%
**Acid Regulator/Stomach Ache Relief**3%
**Contamination**2%
## **Common questions**
- **Is spirulina profitable to sell on Amazon United States?**
- The niche generates $3.0M/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -14.1%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the spirulina niche?**
- 11 brands and 564 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in spirulina?**
- Top complaints mined from reviews: Taste-Overall, Smell, Advertised Vs Actual Product. The return rate is 0.1%.
- **When does demand for spirulina peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the spirulina niche?**
- Listings span $5.82–$39.92; the average listing price is $21.49 (sweet spot $15–$100). The average incumbent carries 5,417 reviews — the moat a new listing must climb.
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