---
title: "Spirulina — $0/yr Amazon SG Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sg/health-household-and-personal-care/spirulina"
last_updated: "2026-08-08T07:01:13.485Z"
locale: en
meta:
description: "Niche score 26/100 · $0/yr market · 3K searches/yr · $22.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 26/100 · $0/yr market · 3K searches/yr · $22.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Spirulina — $0/yr Amazon SG Niche (2026) - Flapen"
---
# **spirulina**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 10Conversion 0Competition 0Returns 100Price range 91Avg price 94Brand share 0Review moat 65Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$22.74**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$14.03–$31.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****880.6**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-29.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$0**
$0/yr · 3K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon Singapore niche tracking, spirulina is a $0/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 26/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spirulina market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$2K–$6K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#268**
- **Page quality**
- **0%**
- **Prime**
- **80%**
- **Sponsored**
- **40%**
- **Out of stock**
- **9.9%**
- **Avg brand age**
- **91 months**
- **Avg seller age**
- **0 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**12**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Now Foods46% - ALIGMA25% - 365 by Whole Foods Market15% - Swanson14% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 46 weeks — -29.1% search growth over the last 90 days.
10060Spike '25Black Friday '25Spike '26Prime Day '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/sg/health-household-and-personal-care/spirulina/trend)
## **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%$020%$030%$040%$01101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Now Foods Certified Organic Spirulina Tablets 500mg 500ct**Now Foods**$24.51**4.7★3,071 rev](https://www.amazon.sg/dp/B000MGSHXE) [2**Aligma Organic Spirulina Tablets 500500 mg for Immune System Booster Super Greens Tablets Loaded with Vital Nutrients & High in Vitamins Gluten Free&Calcium Vegan Protein Tablet|Resealable Package**ALIGMA**$23.86**5.0★2 rev](https://www.amazon.sg/dp/B0CSF94C72) [3**365 by Whole Foods Market Organic Spirulina Superfood Powder 113g**365 by Whole Foods Market**$19.95**4.5★682 rev](https://www.amazon.sg/dp/B08S57JN8K) [4**Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health**Swanson**$14.03**4.4★146 rev](https://www.amazon.sg/dp/B002HY0ZLG) [5**NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets**Now Foods**$31.35**4.6★502 rev](https://www.amazon.sg/dp/B0B195MY9H)
### **Newest**
by launch date
[**NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets**Now Foods**$31.35**502 rev1y ago](https://www.amazon.sg/dp/B0B195MY9H) [**Aligma Organic Spirulina Tablets 500500 mg for Immune System Booster Super Greens Tablets Loaded with Vital Nutrients & High in Vitamins Gluten Free&Calcium Vegan Protein Tablet|Resealable Package**ALIGMA**$23.86**2 rev2y ago](https://www.amazon.sg/dp/B0CSF94C72) [**365 by Whole Foods Market Organic Spirulina Superfood Powder 113g**365 by Whole Foods Market**$19.95**682 rev5y ago](https://www.amazon.sg/dp/B08S57JN8K) [**Now Foods Certified Organic Spirulina Tablets 500mg 500ct**Now Foods**$24.51**3,071 rev13y ago](https://www.amazon.sg/dp/B000MGSHXE) [**Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health**Swanson**$14.03**146 rev21y ago](https://www.amazon.sg/dp/B002HY0ZLG)
### **Trending**
90-day click momentum
[**365 by Whole Foods Market Organic Spirulina Superfood Powder 113g**365 by Whole Foods Market**$19.95**4.5★**▲ 81%**](https://www.amazon.sg/dp/B08S57JN8K) [**Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health**Swanson**$14.03**4.4★**▲ 21%**](https://www.amazon.sg/dp/B002HY0ZLG) [**Aligma Organic Spirulina Tablets 500500 mg for Immune System Booster Super Greens Tablets Loaded with Vital Nutrients & High in Vitamins Gluten Free&Calcium Vegan Protein Tablet|Resealable Package**ALIGMA**$23.86**5.0★**— 0%**](https://www.amazon.sg/dp/B0CSF94C72) [**NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets**Now Foods**$31.35**4.6★**— 9%**](https://www.amazon.sg/dp/B0B195MY9H) [**Now Foods Certified Organic Spirulina Tablets 500mg 500ct**Now Foods**$24.51**4.7★**▼ 20%**](https://www.amazon.sg/dp/B000MGSHXE)
## **Common questions**
- **Is spirulina profitable to sell on Amazon Singapore?**
- The niche generates $0/yr across 5 tracked products. 90-day search growth is -29.1%. Flapen's verdict: Skip it (26/100).
- **How competitive is the spirulina niche?**
- 4 brands and 12 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What does it cost to enter the spirulina niche?**
- Listings span $14.03–$31.35; the average listing price is $22.74 (sweet spot $15–$100). The average incumbent carries 881 reviews — the moat a new listing must climb.
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