Spirulina Capsules
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -10.8% this quarter, so Spirulina Capsules is a Maybe.
- Flapen Score
- 59 / 100Top 13% of 14,768 Health & Household niches · +10 vs the category median of 4959
- Market size
- $843K/yr384K searches / yr
- 90-day growth
- -10.8%search demand this quarter
- Competition
- 50%top-5 click share · 19 brands · 47 sellers
Flapen Score
Spirulina Capsules against its category
The dotted line is the Health & Household average. Past it, Spirulina Capsules is stronger. Inside it, weaker.
Market
The Spirulina Capsules market on Amazon at a glance
Shoppers on Amazon United States searched for Spirulina Capsules 384K times last year and spent an estimated $843K. The top 5 brands take 75% of clicks. Flapen scores it 59 out of 100, a Maybe.
01 · Demand
An estimated 9.2% of those searches ended in a purchase.
Shoppers searched for this 384K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.2% of those searches ended in a purchase. Searches in the last 90 days moved -10.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $843K a year.
- Searches, last 12 months
- 384K
- Growth, 90 days vs prior 90
- -10.8%
- Conversion, latest week
- 9.2%
- Market size, estimated
- $843Ka year
- Peak month
- February1.4× the quietest month
- Top search term
- spirulina capsules161K searches a year
02 · Price
A sale here is worth $23.76.
Listings sell for $23.76 on average, from $5.82 to $126.95. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,000 to 1,250 of them. At $23.76 that is $24K to $30K a year per listing.
- Average price
- $23.76inside the $15 to $100 sweet spot
- Price range
- $5.82–$126.95
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $24K–$30K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
74% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.0% of listings are out of stock. The average listing ranks #203 within Spirulina. It carries 3,700 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 74%
- Prime listings
- 100%
- Out of stock, average day
- 3.0%
- Average rank
- #203in Spirulina
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 3,700per listing
- Listings tracked
- 34
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 73 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 73 months
Products
Top Spirulina Capsules products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 27, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
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
- Price
- $12.63
- Rating
- 4.6/5
- Reviews
- 8,154
- Age
- 12y ago

Micro Ingredients Organic Spirulina Supplement 720 Tablets (4 Month Supply) No Filler & Non-GMO Rich in Vegan Protein Vitamins & Prebiotics Premium Spirulina Pills
- Price
- $25.30
- Rating
- 4.6/5
- Reviews
- 9,946
- Age
- 10y ago

Nutrex Hawaii Pure Hawaiian Spirulina Vegan Superfood 500 mg Tablets Farm Grown in Kona Non-GMO Immune Support & Cellular Energy 400 Count
- Price
- $30.00
- Rating
- 4.6/5
- Reviews
- 10,873
- Age
- 22y ago

Organic Spirulina Tablets (360 Tablets) - Made with Parry Spirulina The Best Spirulina in the World Highest Nutrient Density - Non-Irradiated 3 Organic Certifications (90 Servings)
- Price
- $28.63
- Rating
- 4.6/5
- Reviews
- 3,401
- Age
- 5y ago

Nutrex Hawaii Pure Hawaiian Spirulina Powder - Vegan Superfood Farm Grown Non-GMO Immune Support & Cellular Energy 90 Day Supply 9.53 Oz
- Price
- $25.21
- Rating
- 4.6/5
- Reviews
- 6,993
- Age
- 10mo ago
Trending
estimated 90-day click momentum
Pure Hawaiian Blue Green Spirulina Powder Capsules - 470mg Capsules 100 Pills Non GMO Natural
- Price
- $12.98
- Rating
- 4.5/5
- Reviews
- 29
- Age
- 2y ago

Nutrex Hawaii Pure Hawaiian Spirulina Powder - Vegan Superfood Farm Grown Non-GMO Immune Support & Cellular Energy 90 Day Supply 9.53 Oz
- Price
- $25.21
- Rating
- 4.6/5
- Reviews
- 6,993
- Age
- 10mo ago

Carlyle Organic Chlorella Spirulina Tablets | 1300 Count | 50/50 Blend
- Price
- $19.61
- Rating
- 4.6/5
- Reviews
- 522
- Age
- 3y ago

Micro Ingredients Organic Spirulina Chlorella Mini Tablets 2 500 Tablets (8 Month Supply) | 50/50 Algae Blend | No Fillers Non-GMO
- Price
- $26.72
- Rating
- 4.7/5
- Reviews
- 478
- Age
- 1y ago

PURE ORIGINAL INGREDIENTS Spirulina (100 Capsules) Rich in Phycocyanin Pure
- Price
- $5.96
- Rating
- 4.5/5
- Reviews
- 139
- Age
- 7y ago
Newest
by launch date
Nutrex Hawaii Pure Hawaiian Spirulina Powder - Vegan Superfood Farm Grown Non-GMO Immune Support & Cellular Energy 90 Day Supply 9.53 Oz
- Price
- $25.21
- Rating
- 4.6/5
- Reviews
- 6,993
- Age
- 10mo ago

Micro Ingredients Organic Spirulina Chlorella Mini Tablets 2 500 Tablets (8 Month Supply) | 50/50 Algae Blend | No Fillers Non-GMO
- Price
- $26.72
- Rating
- 4.7/5
- Reviews
- 478
- Age
- 1y ago

Spirulina Capsules 3000mg - 40 Servings Of Organic Spirulina Capsules - Rich in Protein Antioxidants & Vitamins - 240 Organic Espirulina Powder - Supports Immune & Cardiovascular Health
- Price
- $19.66
- Rating
- 4.5/5
- Reviews
- 1,553
- Age
- 2y ago

Pure Hawaiian Blue Green Spirulina Powder Capsules - 470mg Capsules 100 Pills Non GMO Natural
- Price
- $12.98
- Rating
- 4.5/5
- Reviews
- 29
- Age
- 2y ago

NOW Foods Organic Spirulina 1000mg Tablets - 300 Count - Non-GMO Super Green Whole Food Supplement - Double Strength
- Price
- $29.74
- Rating
- 4.6/5
- Reviews
- 8,154
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 50% of clicks. Leaders hold, but buyers still shop past them.
Brands
19 rising
Sellers
47
Est. top-5 brand share
75%
Top 20: 100%
Est. top-5 click share
50%
Top 20: 85%
Open market
22%
- Nutrex Hawaii22%
- NOW Foods20%
- Micro Ingredients17%
- Triquetra Health9%
- Carlyle6%
- HCL HERBAL CODE LABS4%
Demand
Spirulina Capsules search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Spirulina Capsules search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- spirulina capsules161K/yr
- spirulina tablets56K/yr
- spirulina capsules organic36K/yr
- nutrex hawaii spirulina12K/yr
- organic spirulina tablets9K/yr
- hawaiian spirulina15K/yr
- hawaiian spirulina powder7K/yr
- espirulina capsulas8K/yr
- spirulina pills7K/yr
- pure hawaiian spirulina8K/yr
Reviews and returns
What reviews say buyers love and hate about Spirulina Capsules
We read the reviews and the return reasons for every product selling here.
“The dose is ridiculous”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Spirulina Capsules questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









