spirulina protein powder
Skip itBrand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$36.36avg listing price — sweet spot $15–$100
Price range
Great$9.99–$67.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.9%search→purchase rate — share of searches ending in a sale
Market size
Okay$269K$269K/yr · 93K searches
Review moat
Okay2,136.59avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Growth
Bad-16.5%90-day search growth — must beat 0% to launch
Brand share
Bad95%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, spirulina protein powder is a $269K/yr Amazon United States market (93K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 49/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
spirulina protein powder market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $218K–$291K
- units × avg price
- Conversion rate
- 7.9%
- Avg BSR
- #166
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 59%
- Out of stock
- 0.3%
- Avg brand age
- 79 months
- Avg seller age
- 152 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
7 rising
Sellers
16
Top-5 brand share
95%
Top 20: 98%
Top-5 click share
65%
Top 20: 98%
Open market
3%
- NaturesPlus72%
- Zazzee14%
- Kate Naturals5%
- Nutricost3%
- --2%
- NutraChamps2%
- Open — no brand owns it (1 brand, 3%)
Demand
Weekly Amazon search volume, last 36 weeks — -16.5% search growth over the last 90 days.Top spirulina protein powder search terms
- spirutein protein powder29K/yr
- spirulina protein19K/yr
- spirutein16K/yr
- spirulina protein powder20K/yr
- spirutein vanilla protein powder4K/yr
- spiru-tein protein powder4K/yr
- spiru-tein2K/yr
Top spirulina protein powder 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NaturesPlus SPIRU-TEIN Vanilla - 1.06 lbs - Spirulina Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 16 Servings
NaturesPlus$25.524.6★3,071 rev
Zazzee USDA Organic Spirulina Powder 2.2 Pounds (1 KG) 303 Servings Certified Kosher 100% Pure Non-Irradiated Mess-Free Wide Mouth Container Fresh Smell and Neutral Taste Non-GMO Made in USA
Zazzee$39.924.5★7,653 rev
NaturesPlus SPIRU-TEIN Vanilla - 2.12 lbs - Spirulina Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 32 Servings
NaturesPlus$44.264.6★3,071 rev
NaturesPlus SPIRU-TEIN Vanilla - 4 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings
NaturesPlus$66.244.8★131 rev
NaturesPlus SPIRU-TEIN Chocolate - 1.05 lb - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 17 Total Servings
NaturesPlus$26.664.6★1,287 rev
Newest
by launch date
NutraChamps Super Greens Powder Premium Superfood | 20+ Organic Green Veggie Whole Foods | Wheat Grass Spirulina Chlorella | Antioxidant Digestive Enzyme & Probiotic Blends (9.0 Oz Unflavored)
NutraChamps$29.73373 rev
NaturesPlus SPIRU-TEIN Vanilla - 4 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings
NaturesPlus$66.24131 rev
NaturesPlus SPIRU-TEIN Chocolate - 3.7 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings
NaturesPlus$67.051,287 rev
NaturesPlus SPIRU-TEIN Strawberry - 4.5 lbs - Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 60 Servings
NaturesPlus$67.53935 rev
Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient Dense Superfood Supplement (8 oz USDA Certified Non-GMO Gluten- Free)
Kate Naturals$9.995,086 rev
Trending
90-day click momentumNutraChamps Super Greens Powder Premium Superfood | 20+ Organic Green Veggie Whole Foods | Wheat Grass Spirulina Chlorella | Antioxidant Digestive Enzyme & Probiotic Blends (9.0 Oz Unflavored)
NutraChamps$29.734.5★
NaturesPlus SPIRU-TEIN Simply Natural Original Vanilla - 0.81 lb - Unsweetened Plant-Based Protein Shake - Non-GMO Vegetarian Gluten Free - 16 Total Servings
NaturesPlus$29.694.4★
NaturesPlus SPIRU-TEIN Blueberries & Cream - 1.12 lb - Plant-Based Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 15 Servings
NaturesPlus$29.844.5★
NaturesPlus SPIRU-TEIN Vanilla - 1.06 lbs - Spirulina Protein Powder - Vitamins & Minerals for Energy - Vegetarian Gluten Free - 16 Servings
NaturesPlus$25.524.6★
Nutricost Organic Spirulina Powder 454 Grams 1LB - Pure Certified Organic Spirulina
Nutricost$21.224.5★
What buyers say about spirulina protein powder
What buyers praise and complain about, mined from review topics.What buyers love
“Has a earthy taste”
“Product is top notch”
“This is the best protein powder”
“Good Value”
“Product is just as advertised”
“Good flavor”
“It's very effective in boosting my energy”
“Blends well”
“Easy to use”
“Great supplement all around”
What buyers complain about
“Horrible taste”
“honestly this smells like fish food”
“Unhappy with the false advertising”
“Waste of money”
“Too much sugar”
“Not as good as ther flavors”
“unfortunately multiple times before I realized it had to be this product causing the flares”
“Did not dissolve very well”
“unfortunately multiple times before I realized it had to be this product causing the flares”
“This is terrible protein powder”
Top return reasons
Common questions
- Is spirulina protein powder profitable to sell on Amazon United States?
- The niche generates $269K/yr across 22 tracked products. 90-day search growth is -16.5%. Flapen's verdict: Skip it (49/100).
- How competitive is the spirulina protein powder niche?
- 7 brands and 16 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in spirulina protein powder?
- Top complaints mined from reviews: Taste-Overall, Smell, Advertised Vs Actual Product. The return rate is 0.0%.
- What does it cost to enter the spirulina protein powder niche?
- Listings span $9.99–$67.53; the average listing price is $36.36 (sweet spot $15–$100). The average incumbent carries 2,137 reviews — the moat a new listing must climb.