estrogen blocker for men
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great£19.80avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Great£11.80–£26.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+48.8%90-day search growth — must beat 0% to launch
Conversion
Good4.2%search→purchase rate — share of searches ending in a sale
Review moat
Okay3,253.63avg incumbent reviews — the moat a new listing must climb
Market size
Bad£41K£41K/yr · 48K searches
Competition
Bad89%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, estrogen blocker for men is a £41K/yr Amazon United Kingdom market (48K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 46/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
estrogen blocker for men market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- £40K–£50K
- units × avg price
- Conversion rate
- 4.2%
- Avg BSR
- #165
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 11.5%
- Avg brand age
- 35 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
6
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- Addrena60%
- NUMAN21%
- WeightWorld12%
- Lifetropics4%
- Nutra Science3%
Demand & seasonality
Weekly Amazon search volume, last 61 weeks — +48.8% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 3.4×
Top estrogen blocker for men search terms
- estrogen blocker for men27K/yr
- estrocontrol men6K/yr
- estrocontrol3K/yr
- anti estrogen for men4K/yr
- estrogen control for men2K/yr
- estrocontrol happy mammoth1K/yr
- best estrogen blocker for men5K/yr
Top estrogen blocker for men 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Estro-Halt- Advanced Estrogen Balance Support for Men & Women | Natural Indole-3-Carbinol & Broccoli Extract for Healthy Estrogen Metabolism
Addrena£24.534.3★138 rev
Numan Testosterone Support - Maca Root Tribulus Terrestris Zinc Ginseng - Testosterone Supplements for Men Essential Vitamins & Minerals - 1100mg per Serving - 60 Capsules
NUMAN£15.644.1★2,216 rev
Numan Testosterone Pro - Maca Root Tribulus Terrestris Zinc Ginseng - Testosterone Supplements for Men Essential Vitamins & Minerals - 1100mg per Serving - 120 Capsules
NUMAN£24.614.1★2,216 rev
Testosterone Supplements for Men - 180 Vegan Tablets - 3 Months Supply
WeightWorld£18.604.4★13,165 rev
Maca Root Capsules 5550mg - 180 Capsules - 6 Months Supply - Black & Yellow Maca Root for Women & Men - with L-Arginine & Panax Ginseng - Zinc Contributes to Normal Fertility & Reproduction (EFSA)
WeightWorld£11.804.2★5,968 rev
Newest
by launch date
PCT UltraMax for Men Premium Grade PCT Post Cycle Supplement Supports Liver and Kidney Function 1 Month Course 120 Vegan Capsules
Nutra Science£20.6527 rev
Numan Testosterone Support - Maca Root Tribulus Terrestris Zinc Ginseng - Testosterone Supplements for Men Essential Vitamins & Minerals - 1100mg per Serving - 180 Capsules
NUMAN£26.222,216 rev
Numan Testosterone Pro - Maca Root Tribulus Terrestris Zinc Ginseng - Testosterone Supplements for Men Essential Vitamins & Minerals - 1100mg per Serving - 120 Capsules
NUMAN£24.612,216 rev
Testosterone Supplements for Men - 180 Vegan Tablets - 3 Months Supply
WeightWorld£18.6013,165 rev
Numan Testosterone Support - Maca Root Tribulus Terrestris Zinc Ginseng - Testosterone Supplements for Men Essential Vitamins & Minerals - 1100mg per Serving - 60 Capsules
NUMAN£15.642,216 rev
Trending
90-day click momentumTestosterone Supplements for Men - 180 Vegan Tablets - 3 Months Supply
WeightWorld£18.604.4★
PCT UltraMax for Men Premium Grade PCT Post Cycle Supplement Supports Liver and Kidney Function 1 Month Course 120 Vegan Capsules
Nutra Science£20.654.4★
Numan Testosterone Support - Maca Root Tribulus Terrestris Zinc Ginseng - Testosterone Supplements for Men Essential Vitamins & Minerals - 1100mg per Serving - 180 Capsules
NUMAN£26.224.1★
Maca Root Capsules 5550mg - 180 Capsules - 6 Months Supply - Black & Yellow Maca Root for Women & Men - with L-Arginine & Panax Ginseng - Zinc Contributes to Normal Fertility & Reproduction (EFSA)
WeightWorld£11.804.2★
Estro-Halt- Advanced Estrogen Balance Support for Men & Women | Natural Indole-3-Carbinol & Broccoli Extract for Healthy Estrogen Metabolism
Addrena£24.534.3★
What buyers say about estrogen blocker for men
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality product”
“Good price”
“Effective”
“More energy”
“It contains a good combination of ingredients including Maca, Fenugreek, D Aspartic Acid, Zinc, Magnesium, Selenium and Vitamin D3, all in one product”
“As advertised”
“sticking to a balanced diet most of the time”
“Nice smell”
“No noticeable effects after 6 months of use”
“Good range of ingredients”
What buyers complain about
“poor results”
“eventually developed insane side effects that Im still recovering from”
“Waste of money doesnt work”
“Horrible taste and ineffective”
“This product has a strange, unpleasant smell”
“present in amounts unlikely to have any real effect”
“Whether this is just an allergic reaction Ill never know”
“The bloating has been the worse for thing ever”
“I have lost some weight”
“Irresponsible marketing lies”
Top return reasons
Common questions
- Is estrogen blocker for men profitable to sell on Amazon United Kingdom?
- The niche generates £41K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +48.8%. Flapen's verdict: Skip it (46/100).
- How competitive is the estrogen blocker for men niche?
- 5 brands and 6 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in estrogen blocker for men?
- Top complaints mined from reviews: Functionality-Overall, Side Effects, Value For Money. The return rate is 0.1%.
- When does demand for estrogen blocker for men peak?
- Demand peaks in Jul–Aug; the busiest month runs 3.4× the quietest.
- What does it cost to enter the estrogen blocker for men niche?
- Listings span £11.80–£26.22; the average listing price is £19.80 (sweet spot $15–$100). The average incumbent carries 3,254 reviews — the moat a new listing must climb.