chlorella
Skip itSoft demand (-25.3% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.2%search→purchase rate — share of searches ending in a sale
Review moat
Good737avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£10.90avg listing price — sweet spot $15–$100
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Price range
Okay£6.53–£18.03cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad77%top-5 click share — a locked-up shelf
Market size
Bad£67K£67K/yr · 55K searches
Growth
Bad-25.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, chlorella is a £67K/yr Amazon United Kingdom market (55K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Aug. Verdict: Skip it — 40/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
chlorella market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- £55K–£65K
- units × avg price
- Conversion rate
- 11.2%
- Avg BSR
- #83
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 87%
- Out of stock
- 5.0%
- Avg brand age
- 65 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.Brands
11 falling
Sellers
23
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
12%
- ALPHA0149%
- SS Sport Supplies13%
- MySuperfoods11%
- Sevenhills Wholefoods6%
- KIKI HEALTH6%
- WeightWorld3%
- Open — no brand owns it (5 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -25.3% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 2.1×
Top chlorella search terms
- chlorella36K/yr
- chlorella tablets17K/yr
- organic chlorella tablets3K/yr
Top chlorella 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Organic Chlorella 2000mg 300 Vegan Tablets Broken Cell Wall Pure Formula Supplement with no Additives Resealable and Recyclable Pouch By Alpha01
ALPHA01£7.244.5★137 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
Organic Chlorella and Spirulina - 2500mg - 300 Tablets - Broken Cell Wall - Pure Formula Supplement with No Additives
SS Sport Supplies£9.114.6★442 rev
Chlorella Tablets | 5000mg per Serving | 300 Tablets | Organic | Cracked Cell Wall | Energy & Natural Detox | High in Vitamin A & B12 | Source of Iron | MySuperfoods
MySuperfoods£12.014.4★1,639 rev
KIKI Health Organic Chlorella Tablets | 100% Organic Chlorella - Digestive Immune & Brain Health | Natural Source of Vegan Protein & Vitamins | Superfood for Detox Support 200 Tablets (500mg)
KIKI HEALTH£12.264.3★127 rev
Newest
by launch date
Sevenhills Wholefoods Organic Chlorella Powder 400g Broken Cell Wall High in Vitamin & Minerals
Sevenhills Wholefoods£14.421,565 rev
Organic Spirulina & Chlorella 400 Easy to Swallow Tablets - Natural Vitamins & Minerals - Broken Cell Wall Pure 2000mg Daily Dose Supplement by Inner Vitality
Inner Vitality£8.10528 rev
Organic Chlorella and Spirulina Tablets 50/50 Superfood Blend - 300 Count 150g High in Vitamin B12 Iron and Chlorophyll by TheHealthyTree Company
TheHealthyTree Company£7.042 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 and Chlorella Capsules - 80 Days Supply - 240 Capsules - Soil Association Certified - Nutrient-Rich Algae Superfoods - Chlorella and Spirulina Herbal Supplements with No Additives
WeightWorld£11.562,393 rev
Trending
90-day click momentumSevenhills Wholefoods Organic Chlorella Powder 400g Broken Cell Wall High in Vitamin & Minerals
Sevenhills Wholefoods£14.424.6★
Organic Chlorella and Spirulina Tablets 50/50 Superfood Blend - 300 Count 150g High in Vitamin B12 Iron and Chlorophyll by TheHealthyTree Company
TheHealthyTree Company£7.045.0★
Solgar Chlorella 520 mg Vegetable Capsules - Pack of 100 - High Concentration of Chlorophyll - Helps Fight Cell Damage - Herbal Supplement - Kosher Vegan and Gluten Free
Solgar£8.704.6★
Organic Chlorella Powder 200g - Broken Cell Wall - Cold Pressed Resealable and Recyclable Pouch by Alpha01
ALPHA01£9.414.6★
Organic Spirulina & Chlorella 400 Easy to Swallow Tablets - Natural Vitamins & Minerals - Broken Cell Wall Pure 2000mg Daily Dose Supplement by Inner Vitality
Inner Vitality£8.104.6★
What buyers say about chlorella
What buyers praise and complain about, mined from review topics.What buyers love
“Good well produced product”
“Real honest product offering great value”
“I like that it's organic”
“does the job”
“I find this organic Spirulina & Chlorella easy to take and swallow, and of high quality”
“Great for digestion”
“Easy to take”
“Good supplement”
“Accelerate removal of toxins after a CT scan”
“Good Supplement”
What buyers complain about
“Horrible side effects”
“My only concern is the dosage at 5 capsules daily”
“I don't quite like the natural taste of chlorella on its own”
“Organic Chlorella 2000mg – 300 Vegan Tablets – Broken Cell Wall”
“Ordinary”
“I used to have some digestive problems”
“Waste of money”
“orange juice is another drink that completely overwhelms the flavour here”
“It started to regrow within maybe a week of taking the supplement”
“Waste of money”
Common questions
- Is chlorella profitable to sell on Amazon United Kingdom?
- The niche generates £67K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -25.3%. Flapen's verdict: Skip it (40/100).
- How competitive is the chlorella niche?
- 11 brands and 23 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in chlorella?
- Top complaints mined from reviews: Side Effects, Dosage, Taste-Overall. The return rate is 0.1%.
- When does demand for chlorella peak?
- Demand peaks in Aug; the busiest month runs 2.1× the quietest.
- What does it cost to enter the chlorella niche?
- Listings span £6.53–£18.03; the average listing price is £10.90 (sweet spot $15–$100). The average incumbent carries 737 reviews — the moat a new listing must climb.