spirulina tablet
Worth a lookShows low returns (0.1%), but a deep review moat (4,045 avg reviews) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible$28.19avg listing price — sweet spot $15–$100
Conversion
Great7.9%search→purchase rate — share of searches ending in a sale
Price range
Good$5.82–$126.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Growth
Okay+10.6%90-day search growth — must beat 0% to launch
Market size
Okay$157K$157K/yr · 70K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,045.21avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, spirulina tablet is a $157K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 80% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
spirulina tablet market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $169K–$226K
- units × avg price
- Conversion rate
- 7.9%
- Avg BSR
- #231
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 74%
- Out of stock
- 3.9%
- Avg brand age
- 82 months
- Avg seller age
- 171 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
11 flat
Sellers
28
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
57%
Top 20: 100%
Open market
14%
- Micro Ingredients33%
- NOW Foods17%
- Carlyle12%
- Sunlit Best Green Organics9%
- Nutrex Hawaii9%
- Probase Nutrition7%
- Open — no brand owns it (5 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +10.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top spirulina tablet search terms
- spirulina tablets56K/yr
- spirulina tablets organic8K/yr
- spirulina tablet3K/yr
- organic burst spirulina3K/yr
- organic spirulina tablet2K/yr
Top spirulina tablet 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Micro Ingredients Organic Spirulina Supplement 720 Tablets (4 Month Supply) No Filler & Non-GMO Rich in Vegan Protein Vitamins & Prebiotics Premium Spirulina Pills
Micro Ingredients$25.304.6★9,946 rev
NOW Foods Supplements Certified Organic Spirulina 1000 mg (Double Strength) Rich in Beta-Carotene (Vitamin A) and B-12 with naturally occurring GLA 120 Tablets
NOW Foods$12.634.6★8,154 rev
Carlyle Organic Spirulina Tablets | 3500mg | 500 Count
Carlyle$14.424.6★1,524 rev
Sunlit Best Spirulina Tablets - Organic Spirulina Tablets USDA Premium 1000 Count - Natural Spirulinas Organic Burst for Immune Support Antioxidants Energy Boost w/Chlorophyll - High Protein Non GMO
Sunlit Best Green Organics$31.654.5★645 rev
Probase Nutrition Organic Spirulina Supplement 3000MG 720 Tablets
Probase Nutrition$22.434.5★363 rev
Newest
by launch date
Micro Ingredients Organic Spirulina Chlorella Mini Tablets 2 500 Tablets (8 Month Supply) | 50/50 Algae Blend | No Fillers Non-GMO
Micro Ingredients$26.72478 rev
NOW Foods Organic Spirulina 1000mg Tablets - 300 Count - Non-GMO Super Green Whole Food Supplement - Double Strength
NOW Foods$29.748,154 rev
Carlyle Organic Chlorella Spirulina Tablets | 1300 Count | 50/50 Blend
Carlyle$19.61522 rev
Piping Rock Chlorella Spirulina Organic | 500 Tablets
Piping Rock$11.15357 rev
Carlyle Organic Spirulina Tablets | 3500mg | 500 Count
Carlyle$14.421,524 rev
Trending
90-day click momentum
NOW Supplements Organic Spirulina 500 mg with Vitamins Minerals and GLA (Gamma-Linolenic Acid) 100 Tablets
NOW Foods$5.824.6★
Sunlit Best Spirulina Tablets - Organic Spirulina Tablets USDA Premium 500 Count - Natural Spirulinas Organic Burst for Immune Support Muscle Growth Energy Boost w/Chlorophyll - High Protein Non GMO
Sunlit Best Green Organics$16.904.5★
Piping Rock Chlorella Spirulina Organic | 500 Tablets
Piping Rock$11.154.5★
Carlyle Organic Chlorella Spirulina Tablets | 1300 Count | 50/50 Blend
Carlyle$19.614.6★
NOW Foods Supplements Certified Organic Spirulina 1000 mg (Double Strength) Rich in Beta-Carotene (Vitamin A) and B-12 with naturally occurring GLA 120 Tablets
NOW Foods$12.634.6★
What buyers say about spirulina tablet
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality, clean ingredients”
“Lots of energy”
“Good supplements”
“Well worth the price”
“Organic vitamins”
“These tablets are easy to take”
“I love this vitamin”
“Great detox”
“Excellent product, as advertised”
“Easy to swallow”
What buyers complain about
“The dosage is just too much to swallow”
“I would rather pay extra to have better quality spirulina that doesn't have the cancer risk on the packaging”
“smells horrible on the way out”
“I feel uneasy in my stomach or i throw up”
“they are small”
“Didn't work”
“Made me so sick”
“False Advertising”
“The taste is awful”
“Adverse reaction”
Top return reasons
Common questions
- Is spirulina tablet profitable to sell on Amazon United States?
- The niche generates $157K/yr across 19 tracked products. 90-day search growth is +10.6%. Flapen's verdict: Worth a look (52/100).
- How competitive is the spirulina tablet niche?
- 11 brands and 28 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in spirulina tablet?
- Top complaints mined from reviews: Dosage, Quality-Overall, Smell. The return rate is 0.1%.
- When does demand for spirulina tablet peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the spirulina tablet niche?
- Listings span $5.82–$126.95; the average listing price is $28.19 (sweet spot $15–$100). The average incumbent carries 4,045 reviews — the moat a new listing must climb.