---
title: "Hmb — £53K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/hmb"
last_updated: "2026-07-31T11:35:56.737Z"
locale: en
meta:
description: "Niche score 47/100 · £53K/yr market · 55K searches/yr · £13.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · £53K/yr market · 55K searches/yr · £13.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Hmb — £53K/yr Amazon UK Niche (2026) - Flapen"
---
# **hmb**
**Skip it**
A small market ($53K/yr) — this niche doesn't clear our bar today.
Market size 13Growth 19Conversion 76Competition 27Returns 100Price range 52Avg price 60Brand share 45Review moat 91Quality gap 55
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****176.2**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****7.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****£13.24**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£4.47–£26.30**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-11.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£53K**
£53K/yr · 55K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, hmb is a £53K/yr Amazon United Kingdom market (55K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 47/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hmb market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **£66K–£79K**
- units × avg price
- **Conversion rate**
- **7.3%**
- **Avg BSR**
- **#1,157**
- **Page quality**
- **0%**
- **Prime**
- **80%**
- **Sponsored**
- **73%**
- **Out of stock**
- **10.1%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**26**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**16%**
- Mr Run24% - Applied Nutrition21% - Bulk17% - ALPHA018% - OLIMP SPORT NUTRITION8% - Nutra Science6% - Open — no brand owns it (6 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.6% search growth over the last 90 days.
2K2KHoliday '24Spike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/hmb/trend)
## **Top hmb search terms**
- **hmb**30K/yr-9.2%8.6% conv. - **hmb supplements**18K/yr-28.7%7.4% conv. - **hmb powder**8K/yr+25.8%8.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/hmb/search-terms)
## **Top hmb 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%£21K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mr Runs HMB - Muscle Strength & Fitness 1000mg per Serving - Protect from Muscle Loss During Calorie Cutting Ageing or Inactivity - 120 Capsules 60 Servings**Mr Run**£13.23**4.4★286 rev](https://www.amazon.co.uk/dp/B09WJDGTD3) [2**Applied Nutrition HMB Supplement - HMB 500mg Capsules Metabolite of Leucine for Muscle Growth & Repair (120 Capsules - 60 Servings)**Applied Nutrition**£9.38**4.3★179 rev](https://www.amazon.co.uk/dp/B0CTR2FGJ4) [3**Bulk HMB Powder 500 g**Bulk**£15.92**4.4★672 rev](https://www.amazon.co.uk/dp/B00HF612FO) [4**HMB 650mg with BioPerine High Strength Calcium HMB Beta-Hydroxy Beta-Methylbutyrate Supplement 90 Vegan Capsules Resealable and Recyclable Pouch by Alpha01**ALPHA01**£8.26**4.5★67 rev](https://www.amazon.co.uk/dp/B0D365PVXV) [5**HMB Anabolic Muscle Growth Supplement 1 000mg HMB with Vitamin D 120 Vegan Capsules 2 Month Supply Supports Strength Repair & Recovery**Nutra Science**£16.64**4.4★18 rev](https://www.amazon.co.uk/dp/B0GNSCVHC2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Applied Nutrition - HMB Powder - 3000mg Pure Formula - Best Leucine Metabolite - Best Muscle Support Supplement - Supports Recovery & Training - (200g 67 Servings) (Unflavoured)**Applied Nutrition**£14.10**1 rev1mo ago](https://www.amazon.co.uk/dp/B0H5QPH1V2) [**HMB Anabolic Muscle Growth Supplement 1 000mg HMB with Vitamin D 120 Vegan Capsules 2 Month Supply Supports Strength Repair & Recovery**Nutra Science**£16.64**18 rev5mo ago](https://www.amazon.co.uk/dp/B0GNSCVHC2) [**Freak Athletics HMB Supplement - 1000mg Serving HMB 500mg Capsules Metabolite of Leucine for Muscle Growth & Repair - 120 Capsules 60 Servings**Freak Athletics**£11.41**6 rev1y ago](https://www.amazon.co.uk/dp/B0DQVS36RS) [**HMB Pro 1 000mg with Vitamin D (Maximum Absorption) 2 Month Supply 120 HMB Capsules Muscle Growth Supplements Muscle Strength & Repair HMB Supplement**Insynergy Labs**£18.59**92 rev1y ago](https://www.amazon.co.uk/dp/B0DNW4KPF9) [**Mr Runs HMB - Muscle Strength & Fitness 1000mg per Serving - Protect from Muscle Loss During Calorie Cutting Ageing or Inactivity - 120 Capsules 60 Servings**Mr Run**£13.23**286 rev4y ago](https://www.amazon.co.uk/dp/B09WJDGTD3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Applied Nutrition - HMB Powder - 3000mg Pure Formula - Best Leucine Metabolite - Best Muscle Support Supplement - Supports Recovery & Training - (200g 67 Servings) (Unflavoured)**Applied Nutrition**£14.10**5.0★**▲ 304%**](https://www.amazon.co.uk/dp/B0H5QPH1V2) [**HMB Anabolic Muscle Growth Supplement 1 000mg HMB with Vitamin D 120 Vegan Capsules 2 Month Supply Supports Strength Repair & Recovery**Nutra Science**£16.64**4.4★**▲ 174%**](https://www.amazon.co.uk/dp/B0GNSCVHC2) [**TREC Nutrition HMB Formula Caps - 120 caps - Powerful Anticatabolic Supplement for Lean Muscle Gain Fat Reduction and Enhanced Stamina - Hydroxymethylbutyrate (HMB) Metabolic Support - 120 Capsules**Trec Nutrition**£14.22**4.1★**▲ 31%**](https://www.amazon.co.uk/dp/B088T1793L) [**HMB Powder | HMB Beta-Hydroxy Beta-Methylbutyrate Supplement | Suitable for Vegans and Vegetarians | No Artificial Preservatives | Resealable and Recyclable Pouch by Pure Source Nutrition (250g)**Pure Source Nutrition**£9.16**3.9★**▲ 25%**](https://www.amazon.co.uk/dp/B00E3SVI6A) [**Bulk HMB Powder 100g**Bulk**£4.47**4.4★**▲ 20%**](https://www.amazon.co.uk/dp/B00SP2ZTPG)
**~~View all trending →~~**
## **What buyers say about hmb**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“Good combination”*
**Value For Money**11%
*“Exceptional Value: Offering 66 servings in a compact 100g pouch makes this an incredibly cost-effective addition to a supplement stack”*
**Nutritional Content**10%
*“Boost protein”*
**Vitamin**8%
*“This one keeps things quite straightforward with HMB paired with vitamin D”*
**Ease Of Chewing/Swallowing**6%
*“easy to take with water”*
**Muscle Pain Relief**5%
*“1000MG STRENGTH TO SUPPORT MUSCLE STRENGTH, REPAIR AND RECOVERY”*
**Ease Of Use**5%
*“so far its been easy enough to stick with”*
**Ingredients-Overall**3%
*“I like how simple it is ingredient-wise”*
**Vegan/Organic**3%
*“Dietary Friendly: Fully compatible with Vegan, Vegetarian, and Keto lifestyles”*
**Dosage**3%
*“the 1000mg dose is good”*
### **What buyers complain about **
**Taste-Overall**7%
*“Theres no real taste to them”*
**Leak-Proof**6%
*“was leaking somehow from the top”*
**Side Effects**6%
*“Side effects”*
**Functionality-Overall**6%
*“Had little effect”*
**Dosage**4%
*“What caught me out is the dose - 1,000mg a day is only a third of what most studies use for real results”*
**Size-Overall**3%
*“The capsules are relatively large”*
**Adhesion/Stickiness**3%
*“sticky to taste”*
**Burnt/Roasted/Overbaked**3%
*“Capsules tasted like burning plastic possibly a bad batch”*
**Advertised Vs Actual Product**3%
*“The picture on this advert shows 100% HMB with no calcium”*
**Calcium**3%
*“Excess calcium over prolonged periods can cause organ damage”*
## **Common questions**
- **Is hmb profitable to sell on Amazon United Kingdom?**
- The niche generates £53K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -11.6%. Flapen's verdict: Skip it (47/100).
- **How competitive is the hmb niche?**
- 12 brands and 26 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in hmb?**
- Top complaints mined from reviews: Taste-Overall, Leak-Proof, Side Effects. The return rate is 0.1%.
- **When does demand for hmb peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the hmb niche?**
- Listings span £4.47–£26.30; the average listing price is £13.24 (sweet spot $15–$100). The average incumbent carries 176 reviews — the moat a new listing must climb.
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