estradiol
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Incredible$41.36avg listing price — sweet spot $15–$100
Price range
Incredible$20.84–$69.38cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great333.92avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.2%search→purchase rate — share of searches ending in a sale
Growth
Bad-11.9%90-day search growth — must beat 0% to launch
Competition
Bad81%top-5 click share — a locked-up shelf
Market size
Bad$58K$58K/yr · 33K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, estradiol is a $58K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar–Apr. Verdict: Skip it — 44/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
estradiol market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $62K–$83K
- units × avg price
- Conversion rate
- 4.2%
- Avg BSR
- #1,267
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 4.7%
- Avg brand age
- 57 months
- Avg seller age
- 154 days
Competition & brand share
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
44
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
0%
- HelloPharmacist56%
- BIOLABS PRO39%
- Vigority3%
- Olidiva2%
Demand & seasonality
Weekly Amazon search volume, last 80 weeks — -11.9% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 6.9×
Top estradiol search terms
- biolabs pro estrogen bi-est 5.07K/yr
- bi-est 5.0 - estriol & estradiol cream6K/yr
- bi-est5K/yr
- bi est cream3K/yr
- biolabs4K/yr
- biolabs pro4K/yr
- biest3K/yr
- bi est2K/yr
Top estradiol 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
HelloPharmacist BiEst 5.0 Beauty Cream New Smoother Cream Formula Hyaluronic Acid 3 oz Made in USA
HelloPharmacist$40.114.3★25 rev

HelloPharmacist BiEst 7.0 PRO V2 Bioidentical Estrogen Cream for Women - 90 Pumps - Wild Yam Natural Estrogen Based Body Cream - 3oz
HelloPharmacist$48.744.5★96 rev

BIOLABS PRO Bioidentical Combination Cream - Maximum Strength Blend - Luxury Bottle Precision Pump - 3.6oz
BIOLABS PRO$68.884.3★52 rev

UltraSpa Skincare BIOLabs PRO Natural Bioidentical Estriol Beauty Cosmetic Cream For Women Three Month Supply (3.6 oz)
BIOLABS PRO$59.084.0★202 rev

HelloPharmacist Natural Bioidentical Estriol 5.0 Professional Cream for Women - Menopause Support - Added Moisturizers & Hyaluronic Acid - 3 Ounces - Trusted Brand
HelloPharmacist$39.704.4★81 rev
Newest
by launch date
HelloPharmacist BiEst 5.0 Beauty Cream New Smoother Cream Formula Hyaluronic Acid 3 oz Made in USA
HelloPharmacist$40.1125 rev

BIOLABS PRO Bioidentical Combination Cream - Maximum Strength Blend - Luxury Bottle Precision Pump - 3.6oz
BIOLABS PRO$68.8852 rev

BIOLABS PRO Estri Oil - Bioidentical Natural E3 Solution - Six Month Supply - 5mg Per Dose - Topical - 2oz
BIOLABS PRO$42.1641 rev

BIOLABS PRO Revita V Moisturizer - Natural Bioidentical Hormone Balance Formula For Women - Non-Irritating Clear Gel Fragrance-Free - Made in the USA
BIOLABS PRO$33.1260 rev

HelloPharmacist Natural Bioidentical Estriol 5.0 Professional Cream for Women - Menopause Support - Added Moisturizers & Hyaluronic Acid - 3 Ounces - Trusted Brand
HelloPharmacist$39.7081 rev
Trending
90-day click momentum
BIOLABS PRO Phytoestrogen Cream - Natural Plant Based Support Hormone-Free Formula - Red Clover Extract Black Cohosh & Soy Flavonoids - Two Month Supply - 3oz
BIOLABS PRO$20.844.1★

BIOLABS PRO Estri Oil - Bioidentical Natural E3 Solution - Six Month Supply - 5mg Per Dose - Topical - 2oz
BIOLABS PRO$42.164.4★

Olidiva Bioidentical Estriol Cream for Women - Intimate Moisturizing Cream for Women - Menopause Relief for Vaginal Dryness & Vulva Itch 50g / 1.76 oz (3 Month Supply)
Olidiva$24.084.3★

BIOLABS PRO Bioidentical Combination Cream - Maximum Strength Blend - Luxury Bottle Precision Pump - 3.6oz
BIOLABS PRO$68.884.3★

HelloPharmacist BiEst 5.0 Beauty Cream New Smoother Cream Formula Hyaluronic Acid 3 oz Made in USA
HelloPharmacist$40.114.3★
What buyers say about estradiol
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Very effective”
“Very moisturizing”
“lightly scented”
“absorbs well”
“Excellent value for money”
“not irritating at all”
“I really like how gentle”
“it feels nice wherever I apply it”
“More comfortable”
What buyers complain about
“now nothing will come out”
“Formula Changed-Not the Same”
“Irritated my skin”
“It is a bit pricey”
“becomes difficult to spread as the area is instantly dry”
“Misleading”
“It doesnt have a strong fragrance that you might be sensitive to”
“It doesnt say how many pump to apply on the body”
“The burning during intercourse returned”
“wasn't able to use”
Top return reasons
Common questions
- Is estradiol profitable to sell on Amazon United States?
- The niche generates $58K/yr across 13 tracked products. 6 of 8 products launched in the last 360 days are still selling. 90-day search growth is -11.9%. Flapen's verdict: Skip it (44/100).
- How competitive is the estradiol niche?
- 4 brands and 44 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in estradiol?
- Top complaints mined from reviews: Functionality-Overall, Ingredients-Overall, Allergies. The return rate is 0.5%.
- When does demand for estradiol peak?
- Demand peaks in Jan–Feb–Mar–Apr; the busiest month runs 6.9× the quietest.
- What does it cost to enter the estradiol niche?
- Listings span $20.84–$69.38; the average listing price is $41.36 (sweet spot $15–$100). The average incumbent carries 334 reviews — the moat a new listing must climb.