---
title: "Astaxanthin — £419K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/astaxanthin"
last_updated: "2026-07-31T08:08:11.988Z"
locale: en
meta:
  description: "Niche score 61/100 · £419K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · £419K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Astaxanthin — £419K/yr Amazon UK Niche (2026) - Flapen"
---

# **astaxanthin**

**Worth a look**

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 56Growth 10Conversion 81Competition 66Returns 100Price range 54Avg price 60Brand share 85Review moat 74Quality gap 55

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****50%**

top-5 brand share — no brand owns this niche

**Conversion**

**Great****8.6%**

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

**Review moat**

**Good****547**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****45%**

top-5 click share — leaders hold, buyers still browse

**Avg price**

**Good****£13.23**

avg listing price — sweet spot $15–$100

**Market size**

**Good****£419K**

£419K/yr · 369K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****£5.32–£26.32**

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

**Growth**

**Bad****-30.3%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")

According to Flapen's Amazon United Kingdom niche tracking, astaxanthin is a £419K/yr Amazon United Kingdom market (369K searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Jan–Feb–Mar–Apr. Verdict: Worth a look — 61/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **astaxanthin market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**30K–40K**</dd><dd>avg 1,000–1,250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£397K–£529K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**8.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#19**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**87%**</dd>

<dt>**Out of stock**</dt><dd>**7.4%**</dd>

<dt>**Avg brand age**</dt><dd>**38 months**</dd>

<dt>**Avg seller age**</dt><dd>**165 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**25 **▲rising

**Sellers**

**30**

**Top-5 brand share**

**50%**

Top 20: 96%

**Top-5 click share**

**45%**

Top 20: 92%

**Open market**

**42%**

- BANDINI13% - Tamiodfo11% - ALPHA019% - BOIUOITI9% - Horbäach8% - WeightWorld8%

## **Demand & seasonality**

Weekly Amazon search volume, last 102 weeks — -30.3% search growth over the last 90 days.

15K10KSpike '24Black Friday '24Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 4.1×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/astaxanthin/trend)

## **Top astaxanthin search terms**

- **astaxanthin**232K/yr-22.9%7.7% conv. - **astaxanthin high strength**42K/yr-22.5%9.5% conv. - **astaxanthin 12mg**20K/yr-29.6%6.7% conv. - **astaxanthin 24mg**7K/yr+21.1%6.4% conv. - **astaxanthin supplements**20K/yr-42.1%5.9% conv. - **zeria astaxanthin**5K/yr-71.5%2.3% conv. - **astaxanthin antioxidant supplements**7K/yr-41.6%3.6% conv. - **astaxanthin uk**3K/yr-70.3%5.8% conv. - **belano astaxanthin**15K/yr-96.3%5.6% conv. - **belanos astaxanthin softgels**12K/yr-98.0%1.0% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/astaxanthin/search-terms)

## **Top astaxanthin 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.

0%3%£13K6%£25K9%£38K12%£50K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Astaxanthin 12mg Supplements 120 Softgels Premium Astaxanthin Antioxidant Supplements Supports Eye Joint Internal Circulation Skin Health & Natural Tanning Fresh Microalgae Source](https://m.media-amazon.com/images/I/41bvrUqTKUL.jpg)**Astaxanthin 12mg Supplements 120 Softgels Premium Astaxanthin Antioxidant Supplements Supports Eye Joint Internal Circulation Skin Health & Natural Tanning Fresh Microalgae Source**Tamiodfo**£10.33**4.3★234 rev](https://www.amazon.co.uk/dp/B0FLQ7DK56) [2![Bandini Pure Astaxanthin 18 mg | 270 High Strength Capsules | 9 months supply | Powerful antioxidant from Haematococcus Pluvialis algae | Astaxantine Supplement Magnesium stearate & GMO-free | Vegan](https://m.media-amazon.com/images/I/41siZhlmxEL.jpg)**Bandini Pure Astaxanthin 18 mg | 270 High Strength Capsules | 9 months supply | Powerful antioxidant from Haematococcus Pluvialis algae | Astaxantine Supplement Magnesium stearate & GMO-free | Vegan**BANDINI**£17.24**4.5★2,107 rev](https://www.amazon.co.uk/dp/B0D9M8VTB1) [3![Astaxanthin Supplements 12mg 120 Softgels Premium Astaxanthin Antioxidant Supplement Supports Eye Skin Joint Brain Heart & Immune System Health Fresh Microalgae Source Non-GMO & No Gluten](https://m.media-amazon.com/images/I/41bvrUqTKUL.jpg)**Astaxanthin Supplements 12mg 120 Softgels Premium Astaxanthin Antioxidant Supplement Supports Eye Skin Joint Brain Heart & Immune System Health Fresh Microalgae Source Non-GMO & No Gluten**BOIUOITI**£11.12**4.2★763 rev](https://www.amazon.co.uk/dp/B0FLTNH2RH) [4![Wild-Algae Astaxanthin 160mg - Providing 8mg Astaxanthin Antioxidant - 90 Softgels - Resealable and Recyclable Pouch by Alpha01](https://m.media-amazon.com/images/I/416lCjjVcWL.jpg)**Wild-Algae Astaxanthin 160mg - Providing 8mg Astaxanthin Antioxidant - 90 Softgels - Resealable and Recyclable Pouch by Alpha01**ALPHA01**£8.14**4.6★391 rev](https://www.amazon.co.uk/dp/B098BQSCJ7) [5![Astaxanthin Supplement 18mg | 180 High Strength Softgels | Naturally Sourced from Haematococcus Pluvialis Algae | By Horbaach](https://m.media-amazon.com/images/I/51iQPIae6rL.jpg)**Astaxanthin Supplement 18mg | 180 High Strength Softgels | Naturally Sourced from Haematococcus Pluvialis Algae | By Horbaach**Horbäach**£8.19**4.1★277 rev](https://www.amazon.co.uk/dp/B08H8TBF36)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Astaxanthin Supplements 24mg - 120 Softgels | Premium Natural Antioxidant from Microalgae | Eye Skin Brain Joint Heart & Immune Health Support | Non-GMO Gluten-Free](https://m.media-amazon.com/images/I/41SU9n+ZvSL.jpg)**Astaxanthin Supplements 24mg - 120 Softgels | Premium Natural Antioxidant from Microalgae | Eye Skin Brain Joint Heart & Immune Health Support | Non-GMO Gluten-Free**WENDAXINGXY**£12.83**6 rev1mo ago](https://www.amazon.co.uk/dp/B0H38QFMC2) [![HealthEssent Astaxanthin High Strength Algae Oil 80mg Complex - Microalgae Carotenoid from Haematococcus Pluvialis - 90 Vegan Softgel Capsules - Antioxidant Supplements for Skin & Eyes Non-GMO](https://m.media-amazon.com/images/I/41GSpnEInyL.jpg)**HealthEssent Astaxanthin High Strength Algae Oil 80mg Complex - Microalgae Carotenoid from Haematococcus Pluvialis - 90 Vegan Softgel Capsules - Antioxidant Supplements for Skin & Eyes Non-GMO**HealthEssent**£7.51**8 rev2mo ago](https://www.amazon.co.uk/dp/B0H2G89R4K) [![Astaxanthin](https://m.media-amazon.com/images/I/01RmK+J4pJL.gif)**Astaxanthin**DEJIN**£8.51**2 rev5mo ago](https://www.amazon.co.uk/dp/B0GJSN8M3J) [![Astaxanthin 12mg Supplements Astaxanthin High Strength Antioxidant Supplement 120 Softgels 2 Pack Supports Eye Skin Joint Heart Brain & Immune Health No Gluten Non-GMO with Pill Organizer](https://m.media-amazon.com/images/I/511CCkjt2fL.jpg)**Astaxanthin 12mg Supplements Astaxanthin High Strength Antioxidant Supplement 120 Softgels 2 Pack Supports Eye Skin Joint Heart Brain & Immune Health No Gluten Non-GMO with Pill Organizer**Sword Lion**£21.04**41 rev6mo ago](https://www.amazon.co.uk/dp/B0GG7769F3) [![Astaxanthin Supplements 12mg - 120 Softgels | Premium Natural Antioxidant from Microalgae | Eye Skin Brain Joint Heart & Immune Health Support | Non-GMO Gluten-Free](https://m.media-amazon.com/images/I/41ebrXwwRJL.jpg)**Astaxanthin Supplements 12mg - 120 Softgels | Premium Natural Antioxidant from Microalgae | Eye Skin Brain Joint Heart & Immune Health Support | Non-GMO Gluten-Free**ZUZOKKAHA**£10.42**360 rev7mo ago](https://www.amazon.co.uk/dp/B0FM7XPS98)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![HealthEssent Astaxanthin High Strength Algae Oil 80mg Complex - Microalgae Carotenoid from Haematococcus Pluvialis - 90 Vegan Softgel Capsules - Antioxidant Supplements for Skin & Eyes Non-GMO](https://m.media-amazon.com/images/I/41GSpnEInyL.jpg)**HealthEssent Astaxanthin High Strength Algae Oil 80mg Complex - Microalgae Carotenoid from Haematococcus Pluvialis - 90 Vegan Softgel Capsules - Antioxidant Supplements for Skin & Eyes Non-GMO**HealthEssent**£7.51**5.0★**▲ 191%**](https://www.amazon.co.uk/dp/B0H2G89R4K) [![Astaxanthin Supplements 24mg - 120 Softgels | Premium Natural Antioxidant from Microalgae | Eye Skin Brain Joint Heart & Immune Health Support | Non-GMO Gluten-Free](https://m.media-amazon.com/images/I/41SU9n+ZvSL.jpg)**Astaxanthin Supplements 24mg - 120 Softgels | Premium Natural Antioxidant from Microalgae | Eye Skin Brain Joint Heart & Immune Health Support | Non-GMO Gluten-Free**WENDAXINGXY**£12.83**4.8★**▲ 187%**](https://www.amazon.co.uk/dp/B0H38QFMC2) [![Astaxanthin 12mg 120 Capsules (4 Months Supply) | Triple Strength Antioxidant from Haematococcus Pluvialis Supports Eye Skin Joint Heart Health | Non-GMO & Gluten Free](https://m.media-amazon.com/images/I/41t2xGLGRxL.jpg)**Astaxanthin 12mg 120 Capsules (4 Months Supply) | Triple Strength Antioxidant from Haematococcus Pluvialis Supports Eye Skin Joint Heart Health | Non-GMO & Gluten Free**XAYGHE**£10.88**4.1★**▲ 174%**](https://www.amazon.co.uk/dp/B0G11X7KKL) [![Astaxanthin](https://m.media-amazon.com/images/I/01RmK+J4pJL.gif)**Astaxanthin**DEJIN**£8.51**4.0★**▲ 156%**](https://www.amazon.co.uk/dp/B0GJSN8M3J) [![Astaxanthin 12mg Supplements 120 Softgels Premium Astaxanthin Antioxidant Supplements Supports Eye Joint Internal Circulation Skin Health & Natural Tanning Fresh Microalgae Source](https://m.media-amazon.com/images/I/41bvrUqTKUL.jpg)**Astaxanthin 12mg Supplements 120 Softgels Premium Astaxanthin Antioxidant Supplements Supports Eye Joint Internal Circulation Skin Health & Natural Tanning Fresh Microalgae Source**Tamiodfo**£10.33**4.3★**▲ 97%**](https://www.amazon.co.uk/dp/B0FLQ7DK56)

**~~View all trending →~~**

## **What buyers say about astaxanthin**

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

### **What buyers love **

**Ease Of Chewing/Swallowing**11%

*“Swallow it”*

**Quality-Overall**9%

*“Excellent product”*

**Value For Money**8%

*“good value for money”*

**Ease Of Use**6%

*“This came in handy”*

**Vitamin**6%

*“I have been adding these to my vitamins intake for years now”*

**Advertised Vs Actual Product**4%

*“As described”*

**Skin Health**4%

*“I see a great improvement in my skin texture”*

**Dosage**3%

*“Strong dose”*

**Soft Feel**3%

*“skin is so soft”*

**Joint Pain**3%

*“The joints feel decent too”*

### **What buyers complain about **

**Dosage**10%

*“Far to little per capsule to have any effect whatsoever”*

**Advertised Vs Actual Product**7%

*“Highly misleading product”*

**Vegan/Organic**7%

*“NOT VEGAN”*

**Functionality-Overall**5%

*“Not worked for me”*

**Ingredients-Overall**4%

*“Ingredients not contained as advertised”*

**Size-Overall**4%

*“The softgels themselves are small”*

**Side Effects**3%

*“first a few days I had some minor efect with nausea”*

**Acid Regulator/Stomach Ache Relief**2%

*“Gave me a very bad upset tummy”*

**Color Fading/Discoloration**2%

*“have definitely noticed a change in skin colour already”*

**Value For Money**2%

*“which makes this extremely expensive”*

## **Common questions**

<dl>

<dt>**Is astaxanthin profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £419K/yr across 30 tracked products. 5 of 13 products launched in the last 360 days are still selling. 90-day search growth is -30.3%. Flapen's verdict: Worth a look (61/100).</dd>

<dt>**How competitive is the astaxanthin niche?**</dt><dd>25 brands and 30 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 50% of demand.</dd>

<dt>**What do buyers complain about in astaxanthin?**</dt><dd>Top complaints mined from reviews: Dosage, Advertised Vs Actual Product, Vegan/Organic. The return rate is 0.0%.</dd>

<dt>**When does demand for astaxanthin peak?**</dt><dd>Demand peaks in Jan–Feb–Mar–Apr; the busiest month runs 4.1× the quietest.</dd>

<dt>**What does it cost to enter the astaxanthin niche?**</dt><dd>Listings span £5.32–£26.32; the average listing price is £13.23 (sweet spot $15–$100). The average incumbent carries 547 reviews — the moat a new listing must climb.</dd>

</dl>

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