---
title: "Melatonin for Dogs — £70K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/pet-supplies/melatonin-for-dogs"
last_updated: "2026-07-31T12:15:40.905Z"
locale: en
meta:
description: "Niche score 56/100 · £70K/yr market · 65K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · £70K/yr market · 65K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Melatonin for Dogs — £70K/yr Amazon UK Niche (2026) - Flapen"
---
# **melatonin for dogs**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 18Growth 14Conversion 83Competition 47Returns 100Price range 49Avg price 48Brand share 80Review moat 66Quality gap 93
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****9.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Review moat**
**Good****858.78**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£2.11–£27.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£11.79**
avg listing price — sweet spot $15–$100
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£70K**
£70K/yr · 65K searches
**Growth**
**Bad****-22.5%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, melatonin for dogs is a £70K/yr Amazon United Kingdom market (65K searches/yr). The top 5 brands hold 55% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **melatonin for dogs market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£71K–£94K**
- units × avg price
- **Conversion rate**
- **9.1%**
- **Avg BSR**
- **#114**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **87%**
- **Out of stock**
- **11.5%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **190 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▲rising
**Sellers**
**70**
**Top-5 brand share**
**55%**
Top 20: 85%
**Top-5 click share**
**57%**
Top 20: 97%
**Open market**
**30%**
- K9 Select22% - Vortexonix19% - --15% - XAYGHE5% - Laughing Dog5% - WELOSUER4%
## **Demand**
Weekly Amazon search volume, last 48 weeks — -22.5% search growth over the last 90 days.
2K2KSpike '25Spike '26Aug '25Oct '25Dec '25Feb '26Apr '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/pet-supplies/melatonin-for-dogs/trend)
## **Top melatonin for dogs search terms**
- **melatonin for dogs**38K/yr-22.5%7.6% conv. - **dog sleeping tablets**10K/yr-21.3%4.8% conv. - **dog melatonin**5K/yr-15.9%9.9% conv. - **dog sleep aid**4K/yr-31.3%7.5% conv. - **sleeping tablets for dogs**4K/yr-16.0%4.2% conv. - **sleep aid for dogs**5K/yr-31.2%14.6% conv. [**All search terms **](https://flapen.com/research/uk/pet-supplies/melatonin-for-dogs/search-terms)
## **Top melatonin for dogs 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%5%£4K10%£7K15%£11K20%£14K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**K9 Select Melatonin for Dogs - Calming Chews - Dog Melatonin for Sleep - Reduce Stress Helps Composure Calming Treats for Large Dogs - 6 mg 120 Peanut Butter Flavored Chewable Tablets**K9 Select**£23.66**4.3★162 rev](https://www.amazon.co.uk/dp/B0C5F41Y4S) [2**K9 Choice Melatonin for Dogs 3 mg Chewable Peanut Butter Flavor 120 Pcs Specially Formulated for Dogs (most dogs will eat tablets like a treat) Food Supplements**--**£23.74**4.3★170 rev](https://www.amazon.co.uk/dp/B0CVKZMCD6) [3**Vortexonix Melatonin for Dogs & Cats Dog Melatonin Helps with Noise Fireworks Separation Anxiety & Travel Anxiety Promote Relaxation & Deep Sleep for Cat & Dog**Vortexonix**£9.44**4.2★148 rev](https://www.amazon.co.uk/dp/B0DK6TK87V) [4**Vortexonix Melatonin for Dogs & Cats Dog Melatonin Promote Relaxation & Deep Sleep for Cat & Dog Helps with Noise Fireworks Separation Anxiety & Travel & Stress Anxiety**Vortexonix**£9.61**3.9★146 rev](https://www.amazon.co.uk/dp/B0DK721MR8) [5**XAYGHE 2PCS Melatonin for Dogs Sleep Aid Drops for Dogs and Cats Anxiety Relief Support Relaxation & Deep Sleep for Dogs**XAYGHE**£11.83**4.1★42 rev](https://www.amazon.co.uk/dp/B0GQS26J6N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Melatonin for Dogs Cats Soothing Liquid Sleep Support Relaxation Aid Natural Calming Drops for Separation Thunder & Travel Bacon Flavour (60ML)**RzqgLGn**£7.76**8 rev3mo ago](https://www.amazon.co.uk/dp/B0H119GNVS) [**Jeweeio CatsDogs Melatonin Calming Drops (60ml)**Jeweeio**£6.76**3 rev3mo ago](https://www.amazon.co.uk/dp/B0GYBXXZPD) [**XAYGHE 2PCS Melatonin for Dogs Sleep Aid Drops for Dogs and Cats Anxiety Relief Support Relaxation & Deep Sleep for Dogs**XAYGHE**£11.83**42 rev4mo ago](https://www.amazon.co.uk/dp/B0GQS26J6N) [**YijiaXingzhou Melatonin for Dogs - Dog Melatonin Liquid melatonin for Calming and Sleep Aid Supplement Deep Sleep Aid for Dog**YijiaXingzhou**£8.07**15 rev7mo ago](https://www.amazon.co.uk/dp/B0G1TBGH8B) [**Melatonin for Dogs & Cats Dog Melatonin Promote Relaxation & Deep Sleep Liquid Pet Sleep Aid for All Cats & Dogs Helps with Noise Fireworks and Separation**Bieteky**£9.92**7 rev8mo ago](https://www.amazon.co.uk/dp/B0G25VZDPB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Jeweeio CatsDogs Melatonin Calming Drops (60ml)**Jeweeio**£6.76**4.5★**▲ 312%**](https://www.amazon.co.uk/dp/B0GYBXXZPD) [**Melatonin for Dogs Cats Soothing Liquid Sleep Support Relaxation Aid Natural Calming Drops for Separation Thunder & Travel Bacon Flavour (60ML)**RzqgLGn**£7.76**4.0★**▲ 306%**](https://www.amazon.co.uk/dp/B0H119GNVS) [**XAYGHE 2PCS Melatonin for Dogs Sleep Aid Drops for Dogs and Cats Anxiety Relief Support Relaxation & Deep Sleep for Dogs**XAYGHE**£11.83**4.1★**▲ 277%**](https://www.amazon.co.uk/dp/B0GQS26J6N) [**AIKUWWOIRQIA Melatonin for Dogs & Cats | Liquid Calming Drops for Anxiety & Stress Relief | Promotes Relaxation & Sleep | Helps with Noise Fireworks & Separation Anxiety 60ml**AIKUWWOIRQIA**£7.52**3.3★**▲ 235%**](https://www.amazon.co.uk/dp/B0FZ8HX58X) [**Melatonin for Dogs & Cats Dog Melatonin Sleep Aid for Dogs Anxiety Relief Supports Relaxation Helps with Noise Fireworks Deep Sleep for Cat & Dog for All Breeds 60ml (1)**YaqvYoNg**£6.84**3.7★**▲ 217%**](https://www.amazon.co.uk/dp/B0G1BDRSHN)
**~~View all trending →~~**
## **What buyers say about melatonin for dogs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Soothing/Teething**30%
*“Helps calm my dog”*
**Pet Friendly**12%
*“Our dog likes these”*
**Quality-Overall**9%
*“Quality biscuits”*
**Ease Of Use**9%
*“Easy to use”*
**Value For Money**6%
*“Good price”*
**Taste-Overall**5%
*“My spaniel loved the taste of the biscuits”*
**Flavor**4%
*“must have tasted nice dogs loved it a drop or two in there water settled them off well”*
**Ingredients-Overall**2%
*“The ingredients and dosing instructions are clear on the product and it seems good quality”*
**Advertised Vs Actual Product**2%
*“They worked much better than expected”*
**Smell**2%
*“No strange smell that puts him off”*
### **What buyers complain about **
**Functionality-Overall**32%
*“Didn't work on my dog”*
**Value For Money**22%
*“Has been a waste of money”*
**Indigestion**6%
*“I have my dog these for 3 days @2 a day she now has diarrhea”*
**Durability**5%
*“he falls apart”*
**Advertised Vs Actual Product**4%
*“NO Melatonin listed”*
**Smell**4%
*“stinks”*
**Quality-Overall**3%
*“it seems like incredibly poor quality”*
**Size-Overall**2%
*“The pot is big”*
**Instructions/User Manual/Troubleshooting**2%
*“No instructions or dosage guidance”*
**Compatibility-Overall**2%
*“Didnt work for my dog”*
### **Top return reasons **
**Functionality-Overall**50%
**Leak-Proof**13%
**Stale/Rotten/Spoiled**13%
**Advertised Vs Actual Product**13%
**Compatibility-Overall**13%
## **Common questions**
- **Is melatonin for dogs profitable to sell on Amazon United Kingdom?**
- The niche generates £70K/yr across 23 tracked products. 0 of 11 products launched in the last 360 days are still selling. 90-day search growth is -22.5%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the melatonin for dogs niche?**
- 20 brands and 70 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 55% of demand.
- **What do buyers complain about in melatonin for dogs?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Indigestion. The return rate is 0.1%.
- **What does it cost to enter the melatonin for dogs niche?**
- Listings span £2.11–£27.43; the average listing price is £11.79 (sweet spot $15–$100). The average incumbent carries 859 reviews — the moat a new listing must climb.
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