priorin
Skip itBrand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great$61.97avg listing price — sweet spot $15–$100
Price range
Great$8.02–$85.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Market size
Okay$188K$188K/yr · 108K searches
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-8.5%90-day search growth — must beat 0% to launch
Competition
Bad79%top-5 click share — a locked-up shelf
Review moat
Bad21,352.25avg incumbent reviews — the moat a new listing must climb
Brand share
Bad94%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, priorin is a $188K/yr Amazon United States market (108K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 43/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
priorin market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $186K–$248K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #433
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 83%
- Out of stock
- 1.8%
- Avg brand age
- 59 months
- Avg seller age
- 148 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
43
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
3%
- Generic27%
- Bayer Kimya24%
- Nutrafol18%
- PHYTO13%
- Viviscal12%
- Advanced Trichology2%
- Open — no brand owns it (2 brands, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top priorin search terms
- priorin62K/yr
- priorin for hair capsules28K/yr
- priorin for hair9K/yr
- priorin capsules7K/yr
- periorin2K/yr
Top priorin 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hair Capsules with Nutrients for the Hair Roots 120 capsules for Hormonal Hereditary Hair Loss and Hair Growth Disorders (Packaging may vary)
Generic$85.900.0★0 rev
Hair Growth Formula 120 Capsule - Help Weak & Thinning Hair
Bayer Kimya$79.310.0★0 rev
PHYTO Phytophanre Hair Growth Supplement - Biotin Omega 3 & 6 Vitamins B & C for Thicker Hair & Stronger Nails - 240 Capsules 4-Month Supply
PHYTO$77.404.3★2,298 rev
Nutrafol Womens Balance Hair Growth Supplements Ages 45 and Up Clinically Tested for Visibly Thicker Hair and Scalp Coverage Dermatologist Recommended - 1 Month Supply
Nutrafol$84.854.2★15,776 rev
Nutrafol Womens Hair Growth Supplements Ages 18-44 Clinically Tested for Visibly Thicker and Stronger Hair Dermatologist Recommended - 1 Month Supply
Nutrafol$84.564.2★18,489 rev
Newest
by launch dateHair Capsules with Nutrients for the Hair Roots 120 capsules for Hormonal Hereditary Hair Loss and Hair Growth Disorders (Packaging may vary)
Generic$85.900 rev
Biotin | Collagen | Hyaluronic Acid | Keratin - Hair Growth & Strength Support Vitamins - Skin & Nails Supplement - Clinically Tested for Men & Women - 25000mcg Vitamins B1 B2 B3 B6 & B7 - 60 Caps
NUTRAHARMONY$26.4518,533 rev
Viviscal Hair Growth Supplements For Women For Thicker Fuller Hair Nourishes Thinning & Loss With Proprietary Collagen Complex 60 Tablets 1 Month Supply
Viviscal$32.3930,194 rev
Viviscal Hair Growth Supplements for Women Thicker Fuller Hair Support for Thinning Hair and Hair Loss with Biotin and Marine Collagen Drug-Free 180 Tablets 90-Day Supply
Viviscal$82.4330,194 rev
Hair Growth Formula 120 Capsule - Help Weak & Thinning Hair
Bayer Kimya$79.310 rev
Trending
90-day click momentumHair Capsules with Nutrients for the Hair Roots 120 capsules for Hormonal Hereditary Hair Loss and Hair Growth Disorders (Packaging may vary)
Generic$85.900.0★
DHT Blocker - Hair Growth Supplement for Genetic Thinning for Men and Women | Guaranteed Backed by 20 Years of Experience in Hair Loss Treatment Clinics
Advanced Trichology$43.434.2★
Nutrafol Womens Balance Hair Growth Supplements Ages 45 and Up Clinically Tested for Visibly Thicker Hair and Scalp Coverage Dermatologist Recommended - 1 Month Supply
Nutrafol$84.854.2★
Hair Growth Formula 120 Capsule - Help Weak & Thinning Hair
Bayer Kimya$79.310.0★
Viviscal Hair Growth Supplements For Women For Thicker Fuller Hair Nourishes Thinning & Loss With Proprietary Collagen Complex 60 Tablets 1 Month Supply
Viviscal$32.394.3★
What buyers say about priorin
What buyers praise and complain about, mined from review topics.What buyers love
“Seems to help my hair grow”
“Excellent Product”
“Good Deal”
“I love this vitamin supplement”
“REALLY WORKS AS IT SAYS”
“Does work”
“it was easy to use”
“these go down without an issue so no issues with swallowing”
“Skin looks amazing”
“didnt cause me any side effects”
What buyers complain about
“Expensive”
“Not working well”
“Bad side effects”
“Doesnt work on hair”
“Itchy rash”
“Smell awful”
“It feels thicker”
“This products dosage is WAY higher than the recommended daily dose”
“unfortunately, I did not see any improvement”
“Container is smaller than you might think”
Top return reasons
Common questions
- Is priorin profitable to sell on Amazon United States?
- The niche generates $188K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.5%. Flapen's verdict: Skip it (43/100).
- How competitive is the priorin niche?
- 8 brands and 43 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in priorin?
- Top complaints mined from reviews: Value For Money, Functionality-Overall, Side Effects. The return rate is 0.6%.
- When does demand for priorin peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the priorin niche?
- Listings span $8.02–$85.90; the average listing price is $61.97 (sweet spot $15–$100). The average incumbent carries 21,352 reviews — the moat a new listing must climb.