---
title: "Magnesium Threonate — £563K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/magnesium-threonate"
last_updated: "2026-07-31T17:24:20.098Z"
locale: en
meta:
description: "Niche score 52/100 · £563K/yr market · 368K searches/yr · £17.54 avg price. Soft demand (-22.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · £563K/yr market · 368K searches/yr · £17.54 avg price. Soft demand (-22.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Magnesium Threonate — £563K/yr Amazon UK Niche (2026) - Flapen"
---
# **magnesium threonate**
**Worth a look**
Shows low returns (0.1%), but soft demand (-22.2% this quarter) keeps it on the watch list.
Market size 63Growth 14Conversion 82Competition 28Returns 100Price range 70Avg price 81Brand share 55Review moat 25Quality gap 43
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£17.54**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£7.92–£31.74**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****£563K**
£563K/yr · 368K searches
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,139.19**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-22.2%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, magnesium threonate is a £563K/yr Amazon United Kingdom market (368K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium threonate market data**
- **Units sold / yr**
- **30K–40K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **£526K–£702K**
- units × avg price
- **Conversion rate**
- **8.7%**
- **Avg BSR**
- **#302**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **75%**
- **Out of stock**
- **12.4%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**39**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**24%**
- Vinco Supplements40% - Time Health18% - ECO-VITS5% - swiss bioenergetics4% - Wish Fusion4% - Double Wood Supplements4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -22.2% search growth over the last 90 days.
9K7KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/magnesium-threonate/trend)
## **Top magnesium threonate search terms**
- **magnesium threonate**161K/yr-21.5%7.4% conv. - **magnesium l threonate**101K/yr-16.8%8.1% conv. - **magnesium l-threonate**39K/yr-17.3%6.8% conv. - **magnesium threonate complex**9K/yr+41.8%4.4% conv. - **magnesium threonate and glycinate**7K/yr-5.7%4.1% conv. - **magnesium glycinate and l threonate**5K/yr+17.5%1.3% conv. - **magnesium threonate uk**17K/yr-80.4%7.5% conv. - **magnesium l threonate 2000mg**4K/yr+9.5%10.7% conv. - **l threonate magnesium**4K/yr-20.9%7.1% conv. - **magnesium l-threonate uk**9K/yr-69.1%8.5% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/magnesium-threonate/search-terms)
## **Top magnesium threonate 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%£56K20%£113K30%£169K40%£225K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Vinco Magnesium L-Threonate Supplement - 120 High Strength Magnesium L Threonate Capsules - 2000mg Bioavailable Form of Magnesium per Serving - Non-GMO & Gluten Free - Made in The UK**Vinco Supplements**£11.95**4.5★737 rev](https://www.amazon.co.uk/dp/B0DV47T8WQ) [2**Magtein Magnesium Threonate 120 Capsules High Strength 2100mg Pullulan Capsules UK Made to GMP & HACCP Standards Zero Additives**Time Health**£22.06**4.5★1,083 rev](https://www.amazon.co.uk/dp/B0B3F6YQPC) [3**Magnesium L-Threonate 1000mg 60 Tablets Supports Cognitive Function Brain Health & Calm Mind High Absorption**ECO-VITS**£7.92**4.2★33 rev](https://www.amazon.co.uk/dp/B08WP8SCVJ) [4**Wish Fusion Magnesium L-Threonate Complex with L-Theanine Vitamin D3 & C - High Strength Magnesium for Sleep Brain Support Focus & Relaxation Age Related Memory Support for Women Men**Wish Fusion**£8.20**4.7★15 rev](https://www.amazon.co.uk/dp/B0G4B12CN3) [5**Double Wood Magnesium L Threonate Supplement | 120 Capsules (30 Servings) High Strength Magnesium L Threonate (4 per Serving) 2000mg**Double Wood Supplements**£31.74**4.6★18,625 rev](https://www.amazon.co.uk/dp/B01M4GM9R1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Wish Fusion Magnesium L-Threonate Complex with L-Theanine Vitamin D3 & C - High Strength Magnesium for Sleep Brain Support Focus & Relaxation Age Related Memory Support for Women Men**Wish Fusion**£8.20**15 rev6mo ago](https://www.amazon.co.uk/dp/B0G4B12CN3) [**Magnesium Threonate 1800mg | 133mg Elemental Magnesium | High Strength L-Threonate Capsules for Brain & Nervous System Support | Vegan Supplement | Raw Powders**Raw Powders**£11.61**6 rev8mo ago](https://www.amazon.co.uk/dp/B0FYKDV2K2) [**Vinco Triple Magnesium L-Threonate with L-Theanine & Apigenin 120 Capsules - 3-in-1 Apigenin Threonate Supplements for Sleep & Relaxation - Triple Magnesium Complex Made in The UK**Vinco Supplements**£24.07**89 rev1y ago](https://www.amazon.co.uk/dp/B0DV9FDF4G) [**Vinco Magnesium L-Threonate Supplement - 120 High Strength Magnesium L Threonate Capsules - 2000mg Bioavailable Form of Magnesium per Serving - Non-GMO & Gluten Free - Made in The UK**Vinco Supplements**£11.95**737 rev1y ago](https://www.amazon.co.uk/dp/B0DV47T8WQ) [**Life Essentials Magnesium L-Threonate 500mg Capsules - Brain Support Supplement for Memory & Cognitive Function - Superior Absorption - 60 Vegetarian Capsules**Life Essentials**£14.79**12 rev1y ago](https://www.amazon.co.uk/dp/B0F7HHHX3V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MagEnhance Magnesium Complex for Sleep Support - Magtein L-threonate Glycinate & Taurate - Nervous System & Muscle Relaxation Gentle on the Stomach 90 Vegan Capsules 30-Day Supply**Intelligent Labs**£20.75**4.4★**▲ 235%**](https://www.amazon.co.uk/dp/B073WZ9SM3) [**Wish Fusion Magnesium L-Threonate Complex with L-Theanine Vitamin D3 & C - High Strength Magnesium for Sleep Brain Support Focus & Relaxation Age Related Memory Support for Women Men**Wish Fusion**£8.20**4.7★**▲ 177%**](https://www.amazon.co.uk/dp/B0G4B12CN3) [**Nutravita Magnesium Supplements 5-in-1 Complex 1146mg - Which? Best Buy 2025-240 Magnesium Complex Capsules - 400mg Elemental - Bisglycinate Citrate Malate Oxide - Muscles & Sleep Supplement**Nutravita**£14.76**4.6★**▲ 167%**](https://www.amazon.co.uk/dp/B0CP9KVWFP) [**Magnesium Threonate 1800mg | 133mg Elemental Magnesium | High Strength L-Threonate Capsules for Brain & Nervous System Support | Vegan Supplement | Raw Powders**Raw Powders**£11.61**4.8★**▲ 95%**](https://www.amazon.co.uk/dp/B0FYKDV2K2) [**Hepatica Magnesium Complex | L-Threonate Bisglycinate & Taurate | 226mg Elemental Magnesium (60% NRV) | 120 Vegan Capsules | 3rd Party Lab Tested**Hepatica**£16.28**4.5★**▲ 57%**](https://www.amazon.co.uk/dp/B097GRNB82)
**~~View all trending →~~**
## **What buyers say about magnesium threonate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**27%
*“sleep more deeply”*
**Quality-Overall**15%
*“Good product x”*
**Magnesium**11%
*“best magnesium”*
**Value For Money**10%
*“Excellent value for money”*
**Advertised Vs Actual Product**5%
*“As Advertised”*
**Muscle Pain Relief**4%
*“helps muscle cramps”*
**Efficiency**4%
*“Works perfectly”*
**Ease Of Chewing/Swallowing**3%
*“Won't lie, had no issues swallowing the pills, yeah they're big”*
**Vitamin**3%
*“Vitamins, easy to swallow good amount of supply”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Sleep Quality**15%
*“Not helping with sleep at all”*
**Magnesium**9%
*“This magnesium does not work”*
**Functionality-Overall**8%
*“It does absolutely nothing”*
**Acid Regulator/Stomach Ache Relief**6%
*“Caused severe stomach cramps”*
**Dosage**5%
*“The dosage is far too high”*
**Side Effects**5%
*“only negative effects”*
**Size-Overall**4%
*“Quite big tablets”*
**Value For Money**4%
*“Expensive”*
**Quality-Overall**3%
*“Bad quality control”*
**Advertised Vs Actual Product**3%
*“It's not as described”*
### **Top return reasons **
**Magnesium**75%
**Joint Pain**25%
## **Common questions**
- **Is magnesium threonate profitable to sell on Amazon United Kingdom?**
- The niche generates £563K/yr across 16 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -22.2%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the magnesium threonate niche?**
- 14 brands and 39 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in magnesium threonate?**
- Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.
- **When does demand for magnesium threonate peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the magnesium threonate niche?**
- Listings span £7.92–£31.74; the average listing price is £17.54 (sweet spot $15–$100). The average incumbent carries 4,139 reviews — the moat a new listing must climb.
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