---
title: "Agnus Castus — £55K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/agnus-castus"
last_updated: "2026-07-31T07:23:19.786Z"
locale: en
meta:
description: "Niche score 39/100 · £55K/yr market · 45K searches/yr · £11.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · £55K/yr market · 45K searches/yr · £11.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Agnus Castus — £55K/yr Amazon UK Niche (2026) - Flapen"
---
# **agnus castus**
**Skip it**
Soft demand (-30.1% this quarter) — this niche doesn't clear our bar today.
Market size 14Growth 10Conversion 90Competition 15Returns 100Price range 51Avg price 44Brand share 30Review moat 88Quality gap 24
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****245.62**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£5.33–£25.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£11.33**
avg listing price — sweet spot $15–$100
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£55K**
£55K/yr · 45K searches
**Growth**
**Bad****-30.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, agnus castus is a £55K/yr Amazon United Kingdom market (45K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 39/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **agnus castus market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **£34K–£45K**
- units × avg price
- **Conversion rate**
- **10.8%**
- **Avg BSR**
- **#979**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **62%**
- **Out of stock**
- **11.5%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**26**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**10%**
- Natures Aid33% - ALPHA0127% - Vita Pharma10% - Schwabe9% - A.Vogel8% - NAF3% - Open — no brand owns it (4 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 78 weeks — -30.1% search growth over the last 90 days.
4K3KSpike '25Prime Day '25Spike '26 seasonFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Feb, Mar · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/agnus-castus/trend)
## **Top agnus castus search terms**
- **agnus castus**29K/yr-22.4%11.8% conv. - **vitex agnus castus**8K/yr-25.3%6.2% conv. - **agnus castus capsules**6K/yr-87.0%7.7% conv. - **agnus castus tablets**1K/yr-42.0%5.3% conv. - **angus cactus supplement**1K/yr-82.9%8.3% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/agnus-castus/search-terms)
## **Top agnus castus 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.
0%10%£5K20%£11K30%£16K40%£22K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Natures Aid PremEeze Agnus Castus 400mg Traditional Herbal Remedy for Premenstrual PMS Symptoms Relief Mood Swings Irritability Menstrual Cramps & Bloating Vegan THR Registered 60 Capsules**Natures Aid**£7.56**4.4★2,353 rev](https://www.amazon.co.uk/dp/B00STMP68M) [2**Organic Agnus Castus 500mg 90 Vegan Capsules (3 Months Supply) Resealable and Recyclable Pouch by Alpha01**ALPHA01**£7.88**4.9★23 rev](https://www.amazon.co.uk/dp/B0DRGGB2HF) [3**Schwabe Pharma - Premherb PMS Relief - Agnus Castus Fruit Extract 4mg - Traditionally Used for Relief of Breast Tenderness Mood Swings Menstrual Cramps Bloating - 30 Tablets**Schwabe**£8.23**4.5★95 rev](https://www.amazon.co.uk/dp/B0027SQ6R4) [4**A.Vogel Premenstrual Relief | Agnus castus Oral Drops | Relieves Premenstrual Symptoms | Menstrual Cramps Bloating & Mood Swings**A.Vogel**£11.06**4.5★253 rev](https://www.amazon.co.uk/dp/B00LTJOY26) [5**VITA PHARMA Agnus Castus 2000mg 60 Capsules Hormonal Balance Mood Support Womens Health Supports Menopause Wellness Helps PMS**Vita Pharma**£7.92**4.8★21 rev](https://www.amazon.co.uk/dp/B0CRWGGDS6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Naturals Answer Chasteberry Vitex Agnus Castus 30 ml**Nordic Omegas**£20.16**9 rev9mo ago](https://www.amazon.co.uk/dp/B0FXXLNZMV) [**Agnus CASTUS Capsules 5000mg x 120 - MEGAVITES**MEGAVITES**£12.52**3 rev1y ago](https://www.amazon.co.uk/dp/B0FBX6HL2C) [**Vitex 240 mg 100 Capsules | Traditional Chasteberry Supplement for Womens Monthly Balance by BIOHERBA**BIOHERBA**£9.95**31 rev1y ago](https://www.amazon.co.uk/dp/B0DW5JL1WT) [**NAF Vitex Agnus Castus Powder 1kg Natural Hormonal Support for Horses Pure Chasteberry Supplement Supports Behaviour Hormone Balance & Seasonal Comfort**NAF**£10.50**26 rev1y ago](https://www.amazon.co.uk/dp/B0DPQLN3KG) [**VITA PHARMA Agnus Castus 2000mg 60 Capsules Hormonal Balance Mood Support Womens Health Supports Menopause Wellness Helps PMS**Vita Pharma**£7.92**21 rev2y ago](https://www.amazon.co.uk/dp/B0CRWGGDS6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Organic Agnus Castus 500mg 90 Vegan Capsules (3 Months Supply) Resealable and Recyclable Pouch by Alpha01**ALPHA01**£7.88**4.9★**▲ 70%**](https://www.amazon.co.uk/dp/B0DRGGB2HF) [**Natures Aid PremEeze Agnus Castus 400mg - High Potency - Supports Hormonal Balance Menstrual & Womens Health Stress Management - Vegan Gluten Free Non-GMO Natural Supplement - 60 Capsules**Natures Aid**£7.71**4.5★**▲ 66%**](https://www.amazon.co.uk/dp/B019T6PN02) [**Natures Aid PremEeze Agnus Castus 400mg Traditional Herbal Remedy for Premenstrual PMS Symptoms Relief Mood Swings Irritability Menstrual Cramps & Bloating Vegan THR Registered 60 Capsules**Natures Aid**£7.56**4.4★**▲ 53%**](https://www.amazon.co.uk/dp/B00STMP68M) [**Vitex Chasteberry Agnus Castus 1000mg Tablets Menopause PMS Insomnia Supplement Nutrivity (240)**Nutrivity**£25.23**4.8★**▲ 26%**](https://www.amazon.co.uk/dp/B08TWZ9HH1) [**Naturals Answer Chasteberry Vitex Agnus Castus 30 ml**Nordic Omegas**£20.16**4.4★**▲ 12%**](https://www.amazon.co.uk/dp/B0FXXLNZMV)
**~~View all trending →~~**
## **What buyers say about agnus castus**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**31%
*“It seems a very good quality supplement”*
**Hormonal Balance**24%
*“Its regulating my hormones nicely xx”*
**Efficiency**9%
*“It really works”*
**Advertised Vs Actual Product**8%
*“it really does the job”*
**Size-Overall**6%
*“are small enough to take”*
**Regulates Digestion**6%
*“Anyone suffering from PMT/bloating/cravings this is what you need it really helps”*
**Menstrual Issues**5%
*“Less ups and downs with hormones, period arrives without much pain”*
**Vitamin**4%
*“It seems a very good quality supplement”*
**Side Effects**2%
*“this one doesnt do this so Im super happy I can reap the benefit without the side effects”*
**Value For Money**2%
*“Definitely worth purchasing”*
### **What buyers complain about **
**Side Effects**39%
*“However, although I got killer headaches and stomach ache and felt really ill, emotionally I felt great”*
**Blood Sugar Level**17%
*“Have glucose hidden in the ingredients”*
**Allergies**11%
*“come under the category of people who had a nasty reaction to this after only a fairly short time”*
**Dosage**11%
*“I would certainly suggest anyone trying it for the first time to ignore the dosage suggestion”*
## **Common questions**
- **Is agnus castus profitable to sell on Amazon United Kingdom?**
- The niche generates £55K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -30.1%. Flapen's verdict: Skip it (39/100).
- **How competitive is the agnus castus niche?**
- 10 brands and 26 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in agnus castus?**
- Top complaints mined from reviews: Side Effects, Blood Sugar Level, Allergies. The return rate is 0.1%.
- **When does demand for agnus castus peak?**
- Demand peaks in Feb–Mar; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the agnus castus niche?**
- Listings span £5.33–£25.23; the average listing price is £11.33 (sweet spot $15–$100). The average incumbent carries 246 reviews — the moat a new listing must climb.
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