---
title: "Pure Magnesium Glycinate — £152K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/pure-magnesium-glycinate"
last_updated: "2026-07-31T11:02:32.985Z"
locale: en
meta:
description: "Niche score 41/100 · £152K/yr market · 99K searches/yr · £20.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · £152K/yr market · 99K searches/yr · £20.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Pure Magnesium Glycinate — £152K/yr Amazon UK Niche (2026) - Flapen"
---
# **pure magnesium glycinate**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 32Growth 30Conversion 77Competition 8Returns 100Price range 76Avg price 88Brand share 0Review moat 24Quality gap 33
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£20.15**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.6%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****£7.13–£39.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****£152K**
£152K/yr · 99K searches
**Growth**
**Okay****+4.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****5,510.5**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****91%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, pure magnesium glycinate is a £152K/yr Amazon United Kingdom market (99K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 41/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **pure magnesium glycinate market data**
- **Units sold / yr**
- **8K–10K**
- avg 750–1,000/product
- **Revenue / yr**
- **£161K–£202K**
- units × avg price
- **Conversion rate**
- **7.6%**
- **Avg BSR**
- **#125**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **—flat
**Sellers**
**9**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**0%**
- Pure Encapsulations63% - THORNE26% - Wellgard5% - Nutrition Geeks5%
## **Demand**
Weekly Amazon search volume, last 12 weeks — +4.1% search growth over the last 90 days.
3K2KMay '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/pure-magnesium-glycinate/trend)
## **Top pure magnesium glycinate search terms**
- **pure encapsulations magnesium glycinate**27K/yr-1.0%11.1% conv. - **pure magnesium glycinate**23K/yr-17.8%7.5% conv. - **thorne magnesium glycinate**13K/yr+18.9%3.6% conv. - **thorne magnesium bisglycinate**11K/yr+79.2%2.6% conv. - **magnesium glycinate pure**7K/yr-18.9%4.6% conv. - **pure magnesium**6K/yr-8.1%6.3% conv. - **magnesium glycinate thorne**3K/yr+19.3%4.6% conv. - **thorne magnesium**3K/yr+12.1%4.6% conv. - **magnesium glycinate pure encapsulations**3K/yr-20.6%10.9% conv. - **pure encapsulations magnesium**3K/yr-8.0%7.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/pure-magnesium-glycinate/search-terms)
## **Top pure magnesium glycinate 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%15%£23K30%£46K45%£68K60%£91K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Pure Encapsulations Magnesium Glycinate 120mg - Bioavailable Magnesium Chelate Tiredness and Fatigue Supplement - 90 Capsules**Pure Encapsulations**£23.30**4.6★922 rev](https://www.amazon.co.uk/dp/B087B93NJB) [2**Thorne Magnesium CitraMate 90 Capsules**THORNE**£15.56**4.5★110 rev](https://www.amazon.co.uk/dp/B000FGWDMC) [3**Pure Encapsulations Magnesium Glycinate 120mg - Bioavailable Magnesium Chelate Tiredness and Fatigue Supplement - 180 Capsules**Pure Encapsulations**£39.90**4.6★922 rev](https://www.amazon.co.uk/dp/B07QYCTTBN) [4**Pure Magnesium Glycinate by Wellgard - Not Mixed with Citrate or Malate High-Strength Magnesium Supplement Mag 1200 Vegan High Absorption Bisglycinate 240mg Elemental Magnesium Made in UK**Wellgard**£7.13**4.5★4,461 rev](https://www.amazon.co.uk/dp/B0CD17829S) [5**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)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Pure Encapsulations Magnesium (Citrate/Malate) 120mg - Highly Bioavailable Magnesium Chelate - 90 Capsules**Pure Encapsulations**£16.38**133 rev2y ago](https://www.amazon.co.uk/dp/B07JZJQJBP) [**Pure Magnesium Glycinate by Wellgard - Not Mixed with Citrate or Malate High-Strength Magnesium Supplement Mag 1200 Vegan High Absorption Bisglycinate 240mg Elemental Magnesium Made in UK**Wellgard**£7.13**4,461 rev2y ago](https://www.amazon.co.uk/dp/B0CD17829S) [**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**35,795 rev3y ago](https://www.amazon.co.uk/dp/B0C9VVCL12) [**Pure Encapsulations Magnesium Glycinate 120mg - Bioavailable Magnesium Chelate Tiredness and Fatigue Supplement - 180 Capsules**Pure Encapsulations**£39.90**922 rev7y ago](https://www.amazon.co.uk/dp/B07QYCTTBN) [**Pure Encapsulations Magnesium (Citrate) 150mg - Highly Bioavailable Magnesium Chelate - 180 Capsules**Pure Encapsulations**£29.00**311 rev7y ago](https://www.amazon.co.uk/dp/B07QZFHBXB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Thorne Magnesium CitraMate 90 Capsules**THORNE**£15.56**4.5★**▲ 42%**](https://www.amazon.co.uk/dp/B000FGWDMC) [**Thorne Glycine 250 Capsules**THORNE**£21.83**4.7★**▲ 17%**](https://www.amazon.co.uk/dp/B000VYRROC) [**Pure Encapsulations Magnesium Glycinate 120mg - Bioavailable Magnesium Chelate Tiredness and Fatigue Supplement - 180 Capsules**Pure Encapsulations**£39.90**4.6★**▲ 11%**](https://www.amazon.co.uk/dp/B07QYCTTBN) [**Pure Encapsulations Magnesium Glycinate 120mg - Bioavailable Magnesium Chelate Tiredness and Fatigue Supplement - 90 Capsules**Pure Encapsulations**£23.30**4.6★**— 5%**](https://www.amazon.co.uk/dp/B087B93NJB) [**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★**— 9%**](https://www.amazon.co.uk/dp/B0C9VVCL12)
**~~View all trending →~~**
## **What buyers say about pure magnesium glycinate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**26%
*“HELPS WITH SLEEP”*
**Quality-Overall**16%
*“The quality feels consistent”*
**Value For Money**10%
*“Not expensive”*
**Magnesium**10%
*“Best magnesium supplement around”*
**Advertised Vs Actual Product**5%
*“As Advertised”*
**Muscle Pain Relief**4%
*“Muscle pain improved”*
**Efficiency**3%
*“Works perfectly”*
**Vitamin**3%
*“Vitamins, easy to swallow good amount of supply”*
**Ease Of Chewing/Swallowing**2%
*“i've found no problem in swallowing them”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Sleep Quality**15%
*“still cant sleep”*
**Magnesium**10%
*“This magnesium does not work”*
**Functionality-Overall**8%
*“It does absolutely nothing”*
**Acid Regulator/Stomach Ache Relief**7%
*“Gives you stomach cramps”*
**Dosage**5%
*“The dosage is far too high”*
**Size-Overall**4%
*“The size is big”*
**Side Effects**4%
*“Will make you ill”*
**Quality-Overall**3%
*“Its low cost because its low quality”*
**Advertised Vs Actual Product**3%
*“Misleading information about the product”*
**Value For Money**3%
*“Expensive”*
### **Top return reasons **
**Magnesium**86%
**Joint Pain**14%
## **Common questions**
- **Is pure magnesium glycinate profitable to sell on Amazon United Kingdom?**
- The niche generates £152K/yr across 8 tracked products. 90-day search growth is +4.1%. Flapen's verdict: Skip it (41/100).
- **How competitive is the pure magnesium glycinate niche?**
- 4 brands and 9 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in pure magnesium glycinate?**
- Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.
- **What does it cost to enter the pure magnesium glycinate niche?**
- Listings span £7.13–£39.90; the average listing price is £20.15 (sweet spot $15–$100). The average incumbent carries 5,511 reviews — the moat a new listing must climb.
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