---
title: "Spirulina Powder — £121K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/spirulina-powder"
last_updated: "2026-07-31T13:12:00.082Z"
locale: en
meta:
description: "Niche score 36/100 · £121K/yr market · 139K searches/yr · £8.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · £121K/yr market · 139K searches/yr · £8.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Spirulina Powder — £121K/yr Amazon UK Niche (2026) - Flapen"
---
# **spirulina powder**
**Skip it**
Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 13Conversion 87Competition 13Returns 100Price range 12Avg price 24Brand share 12Review moat 49Quality gap 42
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,618.8**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****£121K**
£121K/yr · 139K searches
**Avg price**
**Bad****£8.63**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-23.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£1.93–£16.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, spirulina powder is a £121K/yr Amazon United Kingdom market (139K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 36/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spirulina powder market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **£129K–£173K**
- units × avg price
- **Conversion rate**
- **10.1%**
- **Avg BSR**
- **#86**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **0.8%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**2%**
- Sevenhills Wholefoods50% - ALPHA0132% - Herbal Magic5% - Naturya5% - Inner Vitality3% - Bulk3% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.8% search growth over the last 90 days.
4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/spirulina-powder/trend)
## **Top spirulina powder search terms**
- **spirulina powder**110K/yr-24.4%8.8% conv. - **spirulina organic powder**14K/yr-25.5%7.6% conv. - **organic spirulina powder**10K/yr-16.6%10.3% conv. - **spirulina powder 1kg**3K/yr-24.5%9.5% conv. - **spirulina powder organic**3K/yr-20.0%8.9% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/spirulina-powder/search-terms)
## **Top spirulina 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%15%£18K30%£36K45%£54K60%£73K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sevenhills Wholefoods Organic Spirulina Powder 500g | Certified Organic | Nutrient-Dense | 100% Pure & Natural**Sevenhills Wholefoods**£9.20**4.5★6,249 rev](https://www.amazon.co.uk/dp/B0065VDO4C) [2**Organic Spirulina Powder 1kg 100% Cold Pressed Resealable and Recyclable Pouch by Alpha01**ALPHA01**£12.73**4.5★306 rev](https://www.amazon.co.uk/dp/B0CRV9L8BM) [3**Organic Spirulina Powder 100g 100% Cold Pressed Resealable and Recyclable Pouch By Alpha01**ALPHA01**£3.75**4.5★306 rev](https://www.amazon.co.uk/dp/B0CRQMMVHM) [4**Sevenhills Wholefoods Organic Spirulina Powder 1kg | Certified Organic | Nutrient-Dense | 100% Pure & Natural**Sevenhills Wholefoods**£16.73**4.5★6,249 rev](https://www.amazon.co.uk/dp/B00M422ZZ0) [5**Herbal Magics Organic Spirulina Powder - Sparkle Your Smoothies Shakes - Ideal for Trainers on a Vegan Vegetarian Diet - No Fillers & Preservatives - of&G UK Organic Certified-100g (Pack of 1)**Herbal Magic**£5.88**4.4★58 rev](https://www.amazon.co.uk/dp/B078GF37Z6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Organic Spirulina 500 Pure Tablets - 2000mg Serving Cold-Pressed Rich in Vitamins & Minerals for Immunity & Energy by Inner Vitality**Inner Vitality**£8.00**528 rev1y ago](https://www.amazon.co.uk/dp/B0DZGLLVH2) [**Organic Spirulina Powder 1kg 100% Cold Pressed Resealable and Recyclable Pouch by Alpha01**ALPHA01**£12.73**306 rev6y ago](https://www.amazon.co.uk/dp/B0CRV9L8BM) [**Organic Spirulina Powder 100g 100% Cold Pressed Resealable and Recyclable Pouch By Alpha01**ALPHA01**£3.75**306 rev6y ago](https://www.amazon.co.uk/dp/B0CRQMMVHM) [**Organic Blue Spirulina Powder 50g 100% Natural Phycocyanin for Smoothies Vibrant Blue Food Colouring & Ingredient Rich in Protein Resealable and Recyclable Pouch by Alpha01**ALPHA01**£9.32**377 rev6y ago](https://www.amazon.co.uk/dp/B0CRPPVLC7) [**Herbal Magics Organic Spirulina Powder - Sparkle Your Smoothies Shakes - Ideal for Trainers on a Vegan Vegetarian Diet - No Fillers & Preservatives - of&G UK Organic Certified-100g (Pack of 1)**Herbal Magic**£5.88**58 rev8y ago](https://www.amazon.co.uk/dp/B078GF37Z6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Herbal Magics Organic Spirulina Powder - Sparkle Your Smoothies Shakes - Ideal for Trainers on a Vegan Vegetarian Diet - No Fillers & Preservatives - of&G UK Organic Certified-100g (Pack of 1)**Herbal Magic**£5.88**4.4★**▲ 86%**](https://www.amazon.co.uk/dp/B078GF37Z6) [**Organic Spirulina 500 Pure Tablets - 2000mg Serving Cold-Pressed Rich in Vitamins & Minerals for Immunity & Energy by Inner Vitality**Inner Vitality**£8.00**4.6★**▲ 79%**](https://www.amazon.co.uk/dp/B0DZGLLVH2) [**Organic Blue Spirulina Powder 50g 100% Natural Phycocyanin for Smoothies Vibrant Blue Food Colouring & Ingredient Rich in Protein Resealable and Recyclable Pouch by Alpha01**ALPHA01**£9.32**4.6★**▲ 62%**](https://www.amazon.co.uk/dp/B0CRPPVLC7) [**Naturya Organic Spirulina Powder 100g**Naturya**£4.66**4.6★**▲ 34%**](https://www.amazon.co.uk/dp/B01DSZYAWC) [**Organic Spirulina Powder 1kg 100% Cold Pressed Resealable and Recyclable Pouch by Alpha01**ALPHA01**£12.73**4.5★**▲ 25%**](https://www.amazon.co.uk/dp/B0CRV9L8BM)
**~~View all trending →~~**
## **What buyers say about spirulina powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“It feels high quality and natural, and Ive noticed my shrimp are more active during feeding time”*
**Value For Money**14%
*“Reasonable price”*
**Taste-Overall**7%
*“Taste good”*
**Nutritional Content**6%
*“Protein supplements”*
**Vegan/Organic**6%
*“Great lovely healthy organic spirulina”*
**Advertised Vs Actual Product**4%
*“Works as description bed”*
**Natural Ingredients**4%
*“natural”*
**Ingredients-Overall**4%
*“Excellent quality spirulina powder”*
**Energy Level**4%
*“my energy levels have seemingly improved a fair bit”*
**Blend/Ratio**3%
*“if it is mixed with fruit it is excellent”*
### **What buyers complain about **
**Taste-Overall**39%
*“taste wise it's wildly exaggerated”*
**Color**11%
*“Input it in smoothies which can ruin the colour as its such dark green”*
**Flavor**6%
*“the flavor from this spirulina seem to cancel each other out”*
**Smell**4%
*“Smells a little bit”*
**Dilute/Watery**4%
*“Its pretty horrible on its own in water”*
**Heart Health**3%
*“gave me and my mum palpitations, rapid heart beats, had to get rid of it sadly”*
**Certifications**3%
*“this product needs a third-party test certificate to prove its safety”*
**Value For Money**2%
*“But they are SO expensive”*
**Ease Of Chewing/Swallowing**2%
*“then its lumpy so doesnt really work when trying to swallow”*
**Instructions/User Manual/Troubleshooting**2%
*“No instructions on how to use it”*
## **Common questions**
- **Is spirulina powder profitable to sell on Amazon United Kingdom?**
- The niche generates £121K/yr across 10 tracked products. 90-day search growth is -23.8%. Flapen's verdict: Skip it (36/100).
- **How competitive is the spirulina powder niche?**
- 7 brands and 15 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in spirulina powder?**
- Top complaints mined from reviews: Taste-Overall, Color, Flavor. The return rate is 0.1%.
- **When does demand for spirulina powder peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the spirulina powder niche?**
- Listings span £1.93–£16.73; the average listing price is £8.63 (sweet spot $15–$100). The average incumbent carries 1,619 reviews — the moat a new listing must climb.
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