blue green algae
Skip itA small market ($58K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$24.53avg listing price — sweet spot $15–$100
Conversion
Great9.2%search→purchase rate — share of searches ending in a sale
Price range
Great$6.97–$49.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good748.2avg incumbent reviews — the moat a new listing must climb
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Growth
Okay+6.4%90-day search growth — must beat 0% to launch
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$58K$58K/yr · 26K searches
According to Flapen's Amazon United States niche tracking, blue green algae is a $58K/yr Amazon United States market (26K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
blue green algae market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $49K–$61K
- units × avg price
- Conversion rate
- 9.2%
- Avg BSR
- #1,218
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 0.0%
- Avg brand age
- 99 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
20
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
13%
- American Health29%
- PURE SYNERGY20%
- Source Naturals12%
- Carlyle11%
- Triquetra Health10%
- Teraputics5%
- Open — no brand owns it (5 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +6.4% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 4.3×
Top blue green algae search terms
- blue green algae17K/yr
- blue green algae supplement7K/yr
- klamath blue green algae2K/yr
Top blue green algae 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
American Health Klamath Shores Blue Green Algae Capsules - Fresh Water Phytonutrient-Rich Algae Superfood Supplement - Pesticide-Free - 120 Total Servings
American Health$25.084.6★686 rev
PURE SYNERGY Blue-Green Algae Capsules | Superfood with Chlorophyll | Organic Superfood Supplement from AFA Blue Green Algae | Supports Energy Mental Clarity and Detoxification (90 Capsules)
PURE SYNERGY$35.674.6★364 rev
Organic Spirulina & Chlorella Tablets 4 Organic Certifications Raw Non-Irradiated 50/50 Blue Green Algae Blend Antioxidant Content Equal to 5 Servings of Vegetables (120 Tablets)
Triquetra Health$23.274.6★687 rev
Carlyle Chlorella Tablets | 200 Count | 250 mg | Organic Blue Green Algae
Carlyle$8.024.5★286 rev
Source Naturals Blue Green Algae from Klamath Lake - Algae Superfood Supplement 500 mg - 200 Tablets
Source Naturals$40.794.6★341 rev
Newest
by launch date
Pure Hawaiian Blue Green Spirulina Powder Capsules - 470mg Capsules 100 Pills Non GMO Natural
Complete Natural Products$12.9829 rev
Carlyle Chlorella Tablets | 200 Count | 250 mg | Organic Blue Green Algae
Carlyle$8.02286 rev
Organic Spirulina and Chlorella Capsules Chlorophyll Pills & Blue Green Algae to Support Powerful Detox Energy & A Healthy Immune System 3X More Chlorella Spirulina Powder/Serving 90 Ct
Teaveli$14.661,861 rev
Organic Blue Spirulina Powder (Phycocyanin Extract) 60 Servings - No Fishy Smell 100% Vegan Protein from Blue-Green Algae Natural Luminous Food Coloring for Smoothies Baking Drinks & Cooking
Micro Ingredients$28.771,943 rev
Carlyle Organic Spirulina Powder 2.2 lbs | Blue Green Algae | 8000mg
Carlyle$31.28983 rev
Trending
90-day click momentumPure Hawaiian Blue Green Spirulina Powder Capsules - 470mg Capsules 100 Pills Non GMO Natural
Complete Natural Products$12.984.5★
Carlyle Organic Spirulina Powder 2.2 lbs | Blue Green Algae | 8000mg
Carlyle$31.284.5★
PURE SYNERGY Blue-Green Algae Powder | Superfood Powder with Chlorophyll | Organic AFA Blue Green Algae Supplement | Supports Energy Mental Clarity and Detoxification (3.2 oz.)
PURE SYNERGY$49.244.7★
Piping Rock Chlorella | 1000mg | 120 Tablets
Piping Rock$6.974.7★
Chlorella Spirulina Powder Capsules 3000 mg of BMAA Free Purest Blue Green Algae - Best Natural Detox Raw Vegan Vitamins Protein Green Superfood - Made in USA
HCL HERBAL CODE LABS$23.174.7★
What buyers say about blue green algae
What buyers praise and complain about, mined from review topics.What buyers love
“the quality feels very clean”
“It's in my top 3 nutrients”
“As described”
“Easy supplement to take for my enhanced well-being”
“Great value”
“this combo does amazing things for the body”
“Very happy with the product that could be energy”
“Not bad no nausea I will need bloodwork to see if all these pills have a good effect on me”
“My allergy symptoms disappear when I take these supplements”
“casues low blood sugar”
What buyers complain about
“This product is great; however, the container has become significantly larger while still containing the same amount of spirulina”
“The price of your container went up $8.50 in a year”
“I admittedly haven't worked up to the suggested daily dose”
“Tastes salty”
“the scent here was not too strong for me”
“Made me very sick to my stomach”
“it kept returning every time I started back taking this supplement”
“Does not strip nutrients from your body either”
“Made me very sick to my stomach”
“It also does not mix well at all”
Common questions
- Is blue green algae profitable to sell on Amazon United States?
- The niche generates $58K/yr across 15 tracked products. 90-day search growth is +6.4%. Flapen's verdict: Skip it (48/100).
- How competitive is the blue green algae niche?
- 11 brands and 20 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in blue green algae?
- Top complaints mined from reviews: Size-Overall, Value For Money, Dosage. The return rate is 0.0%.
- When does demand for blue green algae peak?
- Demand peaks in Aug–Sep; the busiest month runs 4.3× the quietest.
- What does it cost to enter the blue green algae niche?
- Listings span $6.97–$49.24; the average listing price is $24.53 (sweet spot $15–$100). The average incumbent carries 748 reviews — the moat a new listing must climb.