Is blue spirulina powder profitable to sell on Amazon United Kingdom?

The niche generates £54K/yr across 7 tracked products. 90-day search growth is -6.5%. Flapen's verdict: Skip it (38/100).

How competitive is the blue spirulina powder niche?

5 brands and 7 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in blue spirulina powder?

Top complaints mined from reviews: Taste-Overall, Color, Flavor. The return rate is 0.1%.

When does demand for blue spirulina powder peak?

Demand peaks in Apr; the busiest month runs 2.0× the quietest.

What does it cost to enter the blue spirulina powder niche?

Listings span £1.93–£23.36; the average listing price is £11.14 (sweet spot $15–$100). The average incumbent carries 235 reviews — the moat a new listing must climb.

Blue Spirulina Powder

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Review moat

Great235.14

avg incumbent reviews — the moat a new listing must climb

Conversion

Great9.4%

search→purchase rate — share of searches ending in a sale

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay£11.14

avg listing price — sweet spot $15–$100

Price range

Okay£1.93–£23.36

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Bad-6.5%

90-day search growth — must beat 0% to launch

Market size

Bad£54K

£54K/yr · 51K searches

Competition

Bad94%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is blue spirulina powder profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, blue spirulina powder is a £54K/yr Amazon United Kingdom market (51K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr. Verdict: Skip it — 38/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

blue spirulina powder market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 4K–5K; avg 500–750/product
Revenue / yr: £45K–£56K; units × avg price
Conversion rate: 9.4%
Avg BSR: #155
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 1.7%
Avg brand age: 66 months
Avg seller age: 191 days

Competition: brands, sellers & click share

The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

94%

Top 20: 100%

Open market

ALPHA0166%
Sevenhills Wholefoods18%
Spring Blossom8%
Kicofood5%
Bulk3%
Open — no brand owns it (0%)

blue spirulina powder demand & seasonality

Weekly Amazon search volume, last 72 weeks — -6.5% search growth over the last 90 days.

Peak months: Apr · busiest ÷ quietest = 2.0×

Open Trend

Top blue spirulina powder products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Organic Blue Spirulina Powder 50g 100% Natural Phycocyanin for Smoothies Vibrant Blue Food Colouring & Ingredient Rich in Protein Resealable and Recyclable Pouch by Alpha01

ALPHA01£9.324.6★377 rev

Premium Royal Blue Spirulina Powder Phycocyanin Natural Food Colouring E18 Food Grade 50g

Sevenhills Wholefoods£13.304.4★232 rev

Organic Blue Spirulina Powder 100g 100% Natural Phycocyanin for Smoothies Vibrant Blue Food Colouring & Ingredient Rich in Protein Resealable and Recyclable Pouch by Alpha01

ALPHA01£15.824.6★377 rev

75G Blue Spirulina Powder 100% Natural Phycocyanin Vibrant Blue Colour Premium Quality Vegan Superfood Packed with Antioxidants Protein Vitamins & Amino Acids Nutrient-Dense Immune System Booster

Spring Blossom£23.364.6★255 rev

Blue Spirulina Powder 60g - No Additives Natural Food Colouring for Smoothies Yoghurt Drinks Baking Vibrant Blue Colour - Easy to Colour Non GMO Gluten-Free

Kicofood£10.474.2★20 rev

Newest

by launch date

Blue Spirulina Powder 60g - No Additives Natural Food Colouring for Smoothies Yoghurt Drinks Baking Vibrant Blue Colour - Easy to Colour Non GMO Gluten-Free

Kicofood£10.4720 rev

1y ago

Premium Royal Blue Spirulina Powder Phycocyanin Natural Food Colouring E18 Food Grade 50g

Sevenhills Wholefoods£13.30232 rev

3y ago

75G Blue Spirulina Powder 100% Natural Phycocyanin Vibrant Blue Colour Premium Quality Vegan Superfood Packed with Antioxidants Protein Vitamins & Amino Acids Nutrient-Dense Immune System Booster

Spring Blossom£23.36255 rev

5y ago

Organic Blue Spirulina Powder 50g 100% Natural Phycocyanin for Smoothies Vibrant Blue Food Colouring & Ingredient Rich in Protein Resealable and Recyclable Pouch by Alpha01

ALPHA01£9.32377 rev

6y ago

Organic Blue Spirulina Powder 100g 100% Natural Phycocyanin for Smoothies Vibrant Blue Food Colouring & Ingredient Rich in Protein Resealable and Recyclable Pouch by Alpha01

ALPHA01£15.82377 rev

6y ago

What reviews say buyers love and hate about blue spirulina powder

What buyers praise and complain about, mined from review topics.

What buyers love

Color17%

“Good colour”

Value For Money13%

“worth for money”

Quality-Overall11%

“It feels high quality and natural, and Ive noticed my shrimp are more active during feeding time”

Taste-Overall9%

“Tastes great”

Blend/Ratio8%

“It blends in easily”

Natural Ingredients7%

“natural”

Ingredients-Overall7%

“I like spirulina a lot due to its benefits”

Nutritional Content5%

“It a good additive to encourage kids to eat especially for smoothies”

Ease Of Use4%

“Easy to use”

Flavor3%

“Highly recommend if you want to level up your food presentation without changing the flavor”

What buyers complain about

Taste-Overall34%

“Horrible taste”

Color17%

“Input it in smoothies which can ruin the colour as its such dark green”

Flavor8%

“No strong flavour great for smoothies”

Dosage4%

“Hardly any servings for the price”

Nutritional Content4%

“there are cheaper ways to increase protein”

Smell3%

“Smells a little bit”

Stuck/Fused Together3%

“then its lumpy so doesnt really work when trying to swallow”

Instructions/User Manual/Troubleshooting3%

“No instructions on how to use it”

Ease Of Chewing/Swallowing3%