---
title: "Magnesium Powder — £73K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/magnesium-powder"
last_updated: "2026-07-31T17:24:46.946Z"
locale: en
meta:
description: "Niche score 49/100 · £73K/yr market · 88K searches/yr · £10.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £73K/yr market · 88K searches/yr · £10.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Magnesium Powder — £73K/yr Amazon UK Niche (2026) - Flapen"
---
# **magnesium powder**
**Skip it**
Soft demand (-22.1% this quarter) — this niche doesn't clear our bar today.
Market size 18Growth 14Conversion 77Competition 59Returns 100Price range 48Avg price 41Brand share 44Review moat 40Quality gap 72
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****£5.19–£24.19**
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
**Avg price**
**Okay****£10.92**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****2,480**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****£73K**
£73K/yr · 88K searches
**Growth**
**Bad****-22.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, magnesium powder is a £73K/yr Amazon United Kingdom market (88K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan. Verdict: Skip it — 49/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium powder market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£66K–£87K**
- units × avg price
- **Conversion rate**
- **7.6%**
- **Avg BSR**
- **#175**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **3.2%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **—flat
**Sellers**
**100**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 90%
**Open market**
**17%**
- BetterYou38% - Applied Nutrition13% - BANDINI12% - Nutrition Geeks9% - TRIP6% - Natural Vitality4% - Open — no brand owns it (12 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -22.1% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/magnesium-powder/trend)
## **Top magnesium powder search terms**
- **magnesium powder**52K/yr-20.9%4.4% conv. - **better you magnesium**14K/yr-27.9%11.0% conv. - **magnesium powder for sleep**8K/yr-30.5%4.6% conv. - **betteryou magnesium**4K/yr+22.0%10.5% conv. - **magnesium glycinate 3-in-1 powder**4K/yr-21.7%6.2% conv. - **powder magnesium**3K/yr-38.7%7.4% conv. - **magnesium better you**2K/yr-34.2%12.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/magnesium-powder/search-terms)
## **Top magnesium powder 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%4%£3K8%£6K12%£9K16%£12K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BetterYou Magnesium Glycinate Citrate & Malate Supplement | Magnesium Max Powder - Lemon & Lime Flavoured 3-in-1 Powder 375mg Elemental Magnesium Fast Absorbing Fast Acting & Easy to Use Drink**BetterYou**£8.76**4.3★100 rev](https://www.amazon.co.uk/dp/B0FXBCTQS1) [2**Bandini Magnesium Powder 430mg - Pure Magnesium 60 Servings Magnesium Carbonate Source of Magnesium Citrate Intestinal Well-Being Supplement for Constipation Anxiety Stress Memory (300g)**BANDINI**£10.54**4.5★1,485 rev](https://www.amazon.co.uk/dp/B0BTQ5VZ7G) [3**Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate Citrate & Malate 90 Vegan Capsules Triple High Absorption 384mg Elemental UK Made**Nutrition Geeks**£8.11**4.5★35,795 rev](https://www.amazon.co.uk/dp/B0C9VVCL12) [4**Applied Nutrition Tri-Magnesium Powder 3 in 1 - Magnesium Glycinate Supplements for Bone Muscle Nervous System Sleep Health - 300 mg per Serving (200g - 50 Servings) (Tropical Vibes)**Applied Nutrition**£13.22**4.2★89 rev](https://www.amazon.co.uk/dp/B0D96LTN6V) [5**TRIP Magnesium Glycinate Powder - 7 500MG Magnesium per Pack with L-Theanine & Lions Mane Delicious Pomegranate Orange Blossom Flavour Sugar Free 1 Pack - 30 Drink Mix Servings**TRIP**£11.23**4.2★584 rev](https://www.amazon.co.uk/dp/B0DP32VG9K)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Healthy Metal Magnesium Drink Mix Sachets for Sleep Relaxation & Daily Support Magnesium Glycinate Powder Raspberry Lemon Flavour Easy to Mix Supplement 7 Sachets**Healthy Metal**£8.69**132 rev4mo ago](https://www.amazon.co.uk/dp/B0GSXGRR9S) [**Magnesium Powder Supplement | Calm Relaxing Drink Mix | High Strength Magnesium Carbonate | for Women & Men | Vegan & Unflavoured | 200g | Natural Vitality**Natural Vitality**£16.86**24 rev9mo ago](https://www.amazon.co.uk/dp/B0FXMCDBRM) [**BetterYou Magnesium Glycinate Citrate & Malate Supplement | Magnesium Max Powder - Lemon & Lime Flavoured 3-in-1 Powder 375mg Elemental Magnesium Fast Absorbing Fast Acting & Easy to Use Drink**BetterYou**£8.76**100 rev9mo ago](https://www.amazon.co.uk/dp/B0FXBCTQS1) [**Natural Vitality Calm Magnesium Powder Supplement | Relaxing Drink Mix | 100 Servings | High Strength Magnesium Carbonate | for Women & Men | Vegan | Natural Raspberry-Lemon Flavour | 400g**Natural Vitality**£24.19**27 rev9mo ago](https://www.amazon.co.uk/dp/B0FXM5BCKJ) [**Magnesium Glycinate Powder 400MG | Muscle & Relaxation Support | Peach Mango Flavor Drink | High Absorption Chelated Magnesium Powder | Vegan Gluten-Free Non-GMO | 30 Servings | 225g (7.94oz)**Nobi Nutrition**£9.18**279 rev10mo ago](https://www.amazon.co.uk/dp/B0FM4BVFYG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Healthy Metal Magnesium Drink Mix Sachets for Sleep Relaxation & Daily Support Magnesium Glycinate Powder Raspberry Lemon Flavour Easy to Mix Supplement 7 Sachets**Healthy Metal**£8.69**4.2★**▲ 309%**](https://www.amazon.co.uk/dp/B0GSXGRR9S) [**Natural Vitality Calm Magnesium Powder Supplement | Relaxing Drink Mix | 100 Servings | High Strength Magnesium Carbonate | for Women & Men | Vegan | Natural Raspberry-Lemon Flavour | 400g**Natural Vitality**£24.19**4.4★**▲ 278%**](https://www.amazon.co.uk/dp/B0FXM5BCKJ) [**Vitaminnica Magnesium 3-in-1 Effervescent- 15 Tablets High Absorption Magnesium Malate Citrate & Glycinate Energy Muscle Function & Relaxation Sugar-Free (Pack of 1 Orange)**Vitaminnica Because your Health Matters**£5.19**4.2★**▲ 254%**](https://www.amazon.co.uk/dp/B0F79KTK84) [**Best Naturals Magnesium Glycinate Powder - 1 Pound (1 LB (Pack of 1))**Best Naturals**£14.78**4.4★**▲ 146%**](https://www.amazon.co.uk/dp/B092DYHDSB) [**Magnesium Powder Supplement | Calm Relaxing Drink Mix | High Strength Magnesium Carbonate | for Women & Men | Vegan & Unflavoured | 200g | Natural Vitality**Natural Vitality**£16.86**4.4★**▲ 132%**](https://www.amazon.co.uk/dp/B0FXMCDBRM)
**~~View all trending →~~**
## **What buyers say about magnesium powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**24%
*“HELPS WITH SLEEP”*
**Quality-Overall**12%
*“Good product x”*
**Magnesium**10%
*“Best magnesium supplement around”*
**Value For Money**8%
*“Excellent value for money”*
**Taste-Overall**5%
*“Fantastic taste”*
**Advertised Vs Actual Product**4%
*“As Advertised”*
**Muscle Pain Relief**3%
*“It has helped with muscle recovery after efforts”*
**Efficiency**2%
*“Does the job”*
**Ease Of Use**2%
*“Easy to Use”*
**Ease Of Chewing/Swallowing**2%
*“i've found no problem in swallowing them”*
### **What buyers complain about **
**Sleep Quality**13%
*“No sleep”*
**Functionality-Overall**7%
*“didnt work as well as expected”*
**Magnesium**7%
*“This magnesium does not work”*
**Dosage**4%
*“The dosage is far too high”*
**Taste-Overall**4%
*“artificial tasting”*
**Acid Regulator/Stomach Ache Relief**4%
*“Gives you stomach cramps”*
**Value For Money**4%
*“Too expensive”*
**Allergies**4%
*“Allergic reaction”*
**Size-Overall**4%
*“they are huge”*
**Side Effects**3%
*“only negative effects”*
### **Top return reasons **
**Magnesium**33%
**Advertised Vs Actual Product**17%
**Taste-Overall**8%
**Language Issues**8%
**Ease Of Use**8%
**Bitter**8%
**Joint Pain**8%
**Functionality-Overall**8%
## **Common questions**
- **Is magnesium powder profitable to sell on Amazon United Kingdom?**
- The niche generates £73K/yr across 31 tracked products. 5 of 8 products launched in the last 360 days are still selling. 90-day search growth is -22.1%. Flapen's verdict: Skip it (49/100).
- **How competitive is the magnesium powder niche?**
- 18 brands and 100 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in magnesium powder?**
- Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Magnesium. The return rate is 0.1%.
- **When does demand for magnesium powder peak?**
- Demand peaks in Jan; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the magnesium powder niche?**
- Listings span £5.19–£24.19; the average listing price is £10.92 (sweet spot $15–$100). The average incumbent carries 2,480 reviews — the moat a new listing must climb.
## **Related niches in Health & Personal Care**
- 69 [**cooling towel**](https://flapen.com/research/uk/health-personal-care/cooling-towel)£1.1M/yr>1,000%**Launch it**- 70 [**collagen**](https://flapen.com/research/uk/health-personal-care/collagen)£6.6M/yr-20.1%**Worth a look**- 70 [**dry skin remover feet**](https://flapen.com/research/uk/health-personal-care/dry-skin-remover-feet)£236K/yr+78.2%**Worth a look**- 70 [**stryde knee strap**](https://flapen.com/research/uk/health-personal-care/stryde-knee-strap)£112K/yr>1,000%**Worth a look**- 70 [**libre 2 sensor covers**](https://flapen.com/research/uk/health-personal-care/libre-2-sensor-covers)£240K/yr+67.1%**Worth a look**- 70 [**water retention tablets**](https://flapen.com/research/uk/health-personal-care/water-retention-tablets)£470K/yr+47.2%**Worth a look**[**All Health & Personal Care niches **](https://flapen.com/research/uk/health-personal-care)