spirulina tablets
Skip itPrices mostly outside the sweet spot ($5.72–$11.72) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,192.55avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Avg price
Okay£9.11avg listing price — sweet spot $15–$100
Competition
Bad76%top-5 click share — a locked-up shelf
Growth
Bad-19.8%90-day search growth — must beat 0% to launch
Market size
Bad£50K£50K/yr · 50K searches
Price range
Bad£5.72–£11.72cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, spirulina tablets is a £50K/yr Amazon United Kingdom market (50K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Aug. Verdict: Skip it — 37/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
spirulina tablets market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- £46K–£55K
- units × avg price
- Conversion rate
- 11.0%
- Avg BSR
- #9
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 11.3%
- Avg brand age
- 78 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
11
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
6%
- ALPHA0152%
- MySuperfoods12%
- Inner Vitality11%
- Spring Blossom10%
- WeightWorld5%
- SS Sport Supplies4%
- Open — no brand owns it (2 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.8% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 1.7×
Top spirulina tablets 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Organic Spirulina 2000mg 300 Vegan Tablets - Cold Pressed with No Additives Resealable and Recyclable Pouch by Alpha01
ALPHA01£5.724.6★467 rev
Organic Spirulina & Chlorella 2000mg - 300 Tablets - Broken Cell Wall - Cold Pressed Pure Supplement with No Additives (75 Day Supply) by Alpha01
ALPHA01£7.254.6★1,208 rev
![500G Organic SPIRULINA Tablets [1000 x 500mg] Natural Dietary Food Supplement Premium Quality Non-GMO Vegan Detox Superfood Rich in Protein Vitamins Amino Acids Iron - Soil Association Certified](https://m.media-amazon.com/images/I/41tGSrwNwCL.jpg)
500G Organic SPIRULINA Tablets [1000 x 500mg] Natural Dietary Food Supplement Premium Quality Non-GMO Vegan Detox Superfood Rich in Protein Vitamins Amino Acids Iron - Soil Association Certified
Spring Blossom£10.474.5★1,014 rev
Spirulina Tablets | 5000mg per Serving | 1000 Tablets | Organic | Immune Support Booster | MySuperfoods
MySuperfoods£10.224.6★3,200 rev
Organic Spirulina 500 Pure Tablets - 2000mg Serving Cold-Pressed Rich in Vitamins & Minerals for Immunity & Energy by Inner Vitality
Inner Vitality£8.004.6★528 rev
Newest
by launch dateOrganic Spirulina 500 Pure Tablets - 2000mg Serving Cold-Pressed Rich in Vitamins & Minerals for Immunity & Energy by Inner Vitality
Inner Vitality£8.00528 rev
Spirulina Tablets | 5000mg per Serving | 1000 Tablets | Organic | Immune Support Booster | MySuperfoods
MySuperfoods£10.223,200 rev
Organic Chlorella and Spirulina - 2500mg - 300 Tablets - Broken Cell Wall - Pure Formula Supplement with No Additives
SS Sport Supplies£9.11442 rev
Organic Spirulina Tablets (360 Tablets) Raw Cold Pressed Spirulina Algae Certified Vegan & Kosher
Everyday Superfood£8.2863 rev
Organic Spirulina 1000x Pure Easy to Swallow Tablets - Rich in Essential Vitamins & Minerals by Inner Vitality
Inner Vitality£11.48528 rev
Trending
90-day click momentumSpirulina Tablets | 5000mg per Serving | 1000 Tablets | Organic | Immune Support Booster | MySuperfoods
MySuperfoods£10.224.6★
Organic Spirulina Tablets (360 Tablets) Raw Cold Pressed Spirulina Algae Certified Vegan & Kosher
Everyday Superfood£8.284.3★
Organic Spirulina 500 Pure Tablets - 2000mg Serving Cold-Pressed Rich in Vitamins & Minerals for Immunity & Energy by Inner Vitality
Inner Vitality£8.004.6★
KIKI Health Organic Spirulina Tablets | Premium Pills & High Detox Supplement | Iron Rich Vegan Protein Chlorophyll | Non-GMO | Immune Health Energy Focus & Fitness | 100% Spirulina 200 Capsules
KIKI HEALTH£11.724.3★
Organic Spirulina & Chlorella 2000mg - 300 Tablets - Broken Cell Wall - Cold Pressed Pure Supplement with No Additives (75 Day Supply) by Alpha01
ALPHA01£7.254.6★
What buyers say about spirulina tablets
What buyers praise and complain about, mined from review topics.What buyers love
“Good well produced product”
“Value for Money”
“feels like a healthy addition to my daily routine”
“This is a good organic chlorella and spirulina supplement”
“does the job”
“I find this organic Spirulina & Chlorella easy to take and swallow, and of high quality”
“Ive also noticed more balanced energy levels overall”
“Helpful in aiding my digestion”
“Excellent anti-viral”
“Its a natural herb. algi that we dont have in our diets anymore”
What buyers complain about
“Unexpected side effects”
“Quality”
“SURELY NOT FIT FOT HUMAN”
“They obviously dont work for me”
“I used to have some digestive problems”
“My only concern is the dosage at 5 capsules daily”
“Waste of money”
“It started to regrow within maybe a week of taking the supplement”
“Raised potassium levels - not right for me”
“And still after just one tablet I got this crazy diarrhea as if I have a stomach flu”
Common questions
- Is spirulina tablets profitable to sell on Amazon United Kingdom?
- The niche generates £50K/yr across 11 tracked products. 90-day search growth is -19.8%. Flapen's verdict: Skip it (37/100).
- How competitive is the spirulina tablets niche?
- 8 brands and 11 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in spirulina tablets?
- Top complaints mined from reviews: Side Effects, Quality-Overall, Size-Overall. The return rate is 0.1%.
- When does demand for spirulina tablets peak?
- Demand peaks in Aug; the busiest month runs 1.7× the quietest.
- What does it cost to enter the spirulina tablets niche?
- Listings span £5.72–£11.72; the average listing price is £9.11 (sweet spot $15–$100). The average incumbent carries 1,193 reviews — the moat a new listing must climb.