Icaps
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$26.94avg listing price — sweet spot $15–$100
Price range
Great$10.64–$42.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad12,264.75avg incumbent reviews — the moat a new listing must climb
Growth
Bad-17.7%90-day search growth — must beat 0% to launch
Competition
Bad89%top-5 click share — a locked-up shelf
Market size
Bad$27K$27K/yr · 12K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Is icaps profitable on Amazon?
According to Flapen's Amazon United States niche tracking, icaps is a $27K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 38/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
icaps market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $34K–$40K
- units × avg price
- Conversion rate
- 8.3%
- Avg BSR
- #2,627
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 53 months
- Avg seller age
- 179 days
Competition: brands, sellers & click share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
56
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- ICaps60%
- PreserVision21%
- Ocuvite11%
- America Medic & Science6%
- FYFTAK2%
icaps demand & seasonality
Weekly Amazon search volume, last 98 weeks — -17.7% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 2.8×
Top icaps search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- eye caps3K/yr
- icaps4K/yr
- icaps eye vitamin lutein & zeaxanthin3K/yr
- i caps1K/yr
- i caps eye vitamins318/yr
- i caps with lutein and zeaxanthin956/yr
- icaps multivitamin eye vitamin270/yr
Top icaps 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.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ICaps Extra Lutein Tablets 30s
ICaps$35.604.4★18 rev

I-Caps Lutein and Zeaxanthin Dietary Supplement for Healthy Eyes 30 Tablets
ICaps$42.790.0★0 rev

PreserVision AREDS 2 Eye Vitamins #1 Eye Doctor Recommended Brand Lutein and Zeaxanthin Supplement with Vitamin C Vitamin E Zinc and Copper 120 Softgels (Minigels)
PreserVision$30.244.7★56,006 rev

Ocuvite 50+ Eye Vitamin & Mineral Supplement Multivitamin for Vision & Ocular Health with Omega-3 Zinc Vitamins C & E Lutein & Zeaxanthin Zinc Supplements for Women and Men 90 Softgels
Ocuvite$19.904.7★23,707 rev

America Medic & Science EyeCaps (30 Caplets) | Dietary Supplement for Men and Women | Supports Vision Health | Enriched with Lutein Zinc Selenium Chromium and Vitamins A C E and B2
America Medic & Science$29.643.5★32 rev
Newest
by launch date
Mens I Fix Stuff & I Know Things Baseball Cap for Handymen Gear Heads & Tech Lovers (Khaki)
FYFTAK$10.6478 rev

PreserVision AREDS 2 Eye Vitamins #1 Eye Doctor Recommended Brand Lutein and Zeaxanthin Supplement with Vitamin C Vitamin E Zinc and Copper 130 Softgels (Minigels)
PreserVision$33.449,633 rev

America Medic & Science EyeCaps (30 Caplets) | Dietary Supplement for Men and Women | Supports Vision Health | Enriched with Lutein Zinc Selenium Chromium and Vitamins A C E and B2
America Medic & Science$29.6432 rev

ICaps Extra Lutein Tablets 30s
ICaps$35.6018 rev

Ocuvite 50+ Eye Vitamin & Mineral Supplement Multivitamin for Vision & Ocular Health with Omega-3 Zinc Vitamins C & E Lutein & Zeaxanthin Zinc Supplements for Women and Men 90 Softgels
Ocuvite$19.9023,707 rev
Trending
90-day click momentum
Mens I Fix Stuff & I Know Things Baseball Cap for Handymen Gear Heads & Tech Lovers (Khaki)
FYFTAK$10.644.4★

I-Caps Lutein and Zeaxanthin Dietary Supplement for Healthy Eyes 30 Tablets
ICaps$42.790.0★

ICaps Extra Lutein Tablets 30s
ICaps$35.604.4★

America Medic & Science EyeCaps (30 Caplets) | Dietary Supplement for Men and Women | Supports Vision Health | Enriched with Lutein Zinc Selenium Chromium and Vitamins A C E and B2
America Medic & Science$29.643.5★

Ocuvite 50+ Eye Vitamin & Mineral Supplement Multivitamin for Vision & Ocular Health with Omega-3 Zinc Vitamins C & E Lutein & Zeaxanthin Zinc Supplements for Women and Men 50 Softgels
Ocuvite$13.244.7★
What reviews say buyers love and hate about icaps
What buyers praise and complain about, mined from review topics.What buyers love
“Helps with eyes”
“this brand is the most complete”
“Good vitamin”
“Great value”
“As advertised”
“the capsules are easy to take”
“PreserVision works great”
“perfect dosage”
“dont cause any noticeable side effects”
“Has helped me keep my vision for years”
What buyers complain about
“Too expensive”
“Serious Side Effect”
“Smell is terrible”
“I am only taking 1 pill a day”
“soaked the vitamin box”
“THEY ARE HUGE”
“Stomach upset”
“Allergic Reaction”
“These pills stick in my throat when I try to swallow them”
“Suffered with dry eyes”
Top return reasons
Common icaps questions
- Is icaps profitable to sell on Amazon United States?
- The niche generates $27K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -17.7%. Flapen's verdict: Skip it (38/100).
- How competitive is the icaps niche?
- 5 brands and 56 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in icaps?
- Top complaints mined from reviews: Value For Money, Side Effects, Smell. The return rate is 0.0%.
- When does demand for icaps peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 2.8× the quietest.
- What does it cost to enter the icaps niche?
- Listings span $10.64–$42.79; the average listing price is $26.94 (sweet spot $15–$100). The average incumbent carries 12,265 reviews — the moat a new listing must climb.