astaxanthin 4mg
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible12.3%search→purchase rate — share of searches ending in a sale
Avg price
Great$22.60avg listing price — sweet spot $15–$100
Price range
Great$11.03–$46.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,869.54avg incumbent reviews — the moat a new listing must climb
Market size
Okay$185K$185K/yr · 67K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad81%top-5 click share — a locked-up shelf
Growth
Bad-35.0%90-day search growth — must beat 0% to launch
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, astaxanthin 4mg is a $185K/yr Amazon United States market (67K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 43/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
astaxanthin 4mg market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $181K–$226K
- units × avg price
- Conversion rate
- 12.3%
- Avg BSR
- #368
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 38%
- Out of stock
- 0.0%
- Avg brand age
- 50 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
37
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
1%
- NOW Foods84%
- Nutricost5%
- Double Wood Supplements3%
- Nutrex Hawaii3%
- Life Extension2%
- Micro Ingredients2%
- Open — no brand owns it (1 brand, 1%)
Demand
Weekly Amazon search volume, last 12 weeks — -35.0% search growth over the last 90 days.Top astaxanthin 4mg search terms
- astaxanthin 4mg26K/yr
- now astaxanthin13K/yr
- astaxanthin now10K/yr
- now astaxanthin 12mg7K/yr
- now foods astaxanthin3K/yr
- astaxanthin 10mg5K/yr
- now astaxanthin 4mg3K/yr
Top astaxanthin 4mg 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Foods Supplements Astaxanthin 10mg Extra Strength derived from Non-GMO Haematococcus Pluvialis Microalgae and has naturally occurring Lutein Canthaxanthin and Beta-Carotene 60 Softgels
NOW Foods$21.854.6★1,168 rev
NOW Foods Supplements Astaxanthin 4 mg features Zanthin Supports Eye Health* 60 Veg Softgels
NOW Foods$11.354.7★1,296 rev
Now Supplements Triple Strength Astaxanthin 12 mg Triple Strength Brain Health* Helps Manage Eye Strain* 60 Veggie Softgels
NOW Foods$27.504.7★2,069 rev
Now Foods Supplements Astaxanthin 10mg Extra Strength derived from Non-GMO Haematococcus Pluvialis Microalgae and has Naturally Occurring Lutein Canthaxanthin and Beta-Carotene 30 Softgels
NOW Foods$13.104.6★1,168 rev
NOW Supplements Astaxanthin 4 mg derived from Non-GMO Haematococcus Pluvialis Microalgae and has naturally occurring Lutein Canthaxanthin and Beta-Carotene 90 Softgels
NOW Foods$17.274.6★1,677 rev
Newest
by launch date
Micro Ingredients Astaxanthin 6mg with MCT Oil 120 Softgels | Premium Astaxanthin Antioxidant Supplements* | Fresh Microalgae Source | Triple Strength Non-GMO Gluten Free No Soy
Micro Ingredients$17.62100 rev
Now Foods Supplements Astaxanthin 10mg Extra Strength derived from Non-GMO Haematococcus Pluvialis Microalgae and has Naturally Occurring Lutein Canthaxanthin and Beta-Carotene 30 Softgels
NOW Foods$13.101,168 rev
Now Supplements Triple Strength Astaxanthin 12 mg Triple Strength Brain Health* Helps Manage Eye Strain* 60 Veggie Softgels
NOW Foods$27.502,069 rev
Horbaach Astaxanthin 4mg | 150 Softgels | Microalgae with Coconut Oil
Horbäach$19.8973 rev
Astaxanthin - Triple Strength 12mg (Only Patented Astaxanthin (Astrareal) with 70+ Human Clinical Trials) Grown Harvested and Made in The USA (Astaxantina) by Double Wood
Double Wood Supplements$23.862,649 rev
Trending
90-day click momentumMicro Ingredients Astaxanthin 6mg with MCT Oil 120 Softgels | Premium Astaxanthin Antioxidant Supplements* | Fresh Microalgae Source | Triple Strength Non-GMO Gluten Free No Soy
Micro Ingredients$17.624.7★
Astaxanthin - Triple Strength 12mg (Only Patented Astaxanthin (Astrareal) with 70+ Human Clinical Trials) Grown Harvested and Made in The USA (Astaxantina) by Double Wood
Double Wood Supplements$23.864.6★
Now Foods Supplements Astaxanthin 10mg Extra Strength derived from Non-GMO Haematococcus Pluvialis Microalgae and has Naturally Occurring Lutein Canthaxanthin and Beta-Carotene 30 Softgels
NOW Foods$13.104.6★
NOW Foods Supplements Astaxanthin 10mg Extra Strength derived from Non-GMO Haematococcus Pluvialis Microalgae and has naturally occurring Lutein Canthaxanthin and Beta-Carotene 60 Softgels
NOW Foods$21.854.6★
Now Supplements Triple Strength Astaxanthin 12 mg Triple Strength Brain Health* Helps Manage Eye Strain* 60 Veggie Softgels
NOW Foods$27.504.7★
What buyers say about astaxanthin 4mg
What buyers praise and complain about, mined from review topics.What buyers love
“Great price for good quality brand”
“Good dosage”
“Great supplement”
“His vision has improved so much”
“better energy levels”
“Works Great”
“can be swallowed just fine”
“Price is competitive”
“less noticeable sun damage”
“healthy glow to my skin”
What buyers complain about
“Very unpleasant odor”
“some people are allergic to it”
“I just wish you could purchase larger bottles or higher dosage gel caps”
“Pills are too large for me”
“The gel cap contains Astaxanthin”
“Not for Bedtime”
“they are more expensive”
“I see almost no gray showing”
“unfortunately I had to stop taking it after 2 weeks due to gut issues, including bad gas pains and increased bowel movements”
“You can't break it apart”
Top return reasons
Common questions
- Is astaxanthin 4mg profitable to sell on Amazon United States?
- The niche generates $185K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -35.0%. Flapen's verdict: Skip it (43/100).
- How competitive is the astaxanthin 4mg niche?
- 7 brands and 37 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in astaxanthin 4mg?
- Top complaints mined from reviews: Smell, Allergies, Dosage. The return rate is 0.0%.
- What does it cost to enter the astaxanthin 4mg niche?
- Listings span $11.03–$46.66; the average listing price is $22.60 (sweet spot $15–$100). The average incumbent carries 1,870 reviews — the moat a new listing must climb.