---
title: "Magnesium Bisglycinate — £296K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/magnesium-bisglycinate"
last_updated: "2026-07-31T18:31:07.637Z"
locale: en
meta:
description: "Niche score 52/100 · £296K/yr market · 246K searches/yr. A concentrated shelf (top 5 take 75% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · £296K/yr market · 246K searches/yr. A concentrated shelf (top 5 take 75% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Magnesium Bisglycinate — £296K/yr Amazon UK Niche (2026) - Flapen"
---
# **magnesium bisglycinate**
**Worth a look**
Shows low returns (0.1%), but a concentrated shelf (top 5 take 75% of clicks) keeps it on the watch list.
Market size 51Growth 53Conversion 89Competition 21Returns 100Price range 57Avg price 47Brand share 43Review moat 25Quality gap 38
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****£4.65–£28.57**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+25.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****£296K**
£296K/yr · 246K searches
**Avg price**
**Okay****£11.58**
avg listing price — sweet spot $15–$100
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,066.47**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**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, magnesium bisglycinate is a £296K/yr Amazon United Kingdom market (246K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 52/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium bisglycinate market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£232K–£290K**
- units × avg price
- **Conversion rate**
- **10.4%**
- **Avg BSR**
- **#150**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **94%**
- **Out of stock**
- **1.5%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**16 **▲rising
**Sellers**
**23**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**18%**
- Nutrivo21% - SMNutrition16% - BULK POWDERS15% - Nutrition Geeks14% - WeightWorld13% - Zenutra3% - Open — no brand owns it (10 brands, 18%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +25.3% search growth over the last 90 days.
50K30KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 11.7×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/magnesium-bisglycinate/trend)
## **Top magnesium bisglycinate search terms**
- **magnesium bisglycinate**205K/yr+32.4%7.5% conv. - **magnesium bisglycinate capsules**18K/yr-38.5%7.7% conv. - **bulk magnesium bisglycinate**6K/yr+39.8%21.3% conv. - **cytoplan magnesium bisglycinate**4K/yr+45.8%10.7% conv. - **bulk magnesium**5K/yr-7.4%17.7% conv. - **magnesium biglycinate**3K/yr+0.0%7.7% conv. - **magnesium glycinate bulk**3K/yr+17.0%15.0% conv. - **magnesio bisglicinato**3K/yr-26.9%3.4% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/magnesium-bisglycinate/search-terms)
## **Top magnesium bisglycinate 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%£30K20%£59K30%£89K40%£118K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Magnesium Bisglycinate 1000mg | Chelated Magnesium Bisglycinate for Higher Absorption | 120 Capsules - 2 Month Supply | Gentle Highly Absorbable No Fillers or Binders | Made in the UK**Nutrivo**£7.65**4.6★100 rev](https://www.amazon.co.uk/dp/B0FQ4HG5BQ) [2**Magnesium Bisglycinate 400mg | 100% Chelated for Maximum Absorption & Bioavailability | Magnesium for Sleep Relaxation Muscle Health Stress & Energy Support | 120 Capsules (2-Month Supply)**SMNutrition**£9.86**4.6★869 rev](https://www.amazon.co.uk/dp/B07RB2XQCM) [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**Magnesium Glycinate 1422mg - with Vitamin B6-180 Vegan Capsules**WeightWorld**£8.36**4.6★3,974 rev](https://www.amazon.co.uk/dp/B0CKFHG8NQ) [5**Bulk Magnesium Glycinate Bisglycinate Tablets 1000mg 60 Tablets**BULK POWDERS**£4.65**4.0★646 rev](https://www.amazon.co.uk/dp/B00IZD37CW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Zenutra Magnesium Bisglycinate 700mg High Absorption Chelated Magnesium Glycinate for Sleep & Relaxation Muscle Function & Energy Vegan Friendly 90 Capsules (45 Day Supply)**Zenutra**£13.40**17 rev3mo ago](https://www.amazon.co.uk/dp/B0GV4WVS8M) [**Bulk Magnesium Glycinate 3-in-1 Complex | 1800mg High Absorption | Triple Strength Magnesium with Bisglycinate Citrate & Malate | Supports Muscle Function Energy & Repair | Vegan | 90 Tablets**BULK POWDERS**£7.07**704 rev8mo ago](https://www.amazon.co.uk/dp/B0G3QPRPXZ) [**Magnesium Bisglycinate 1000mg | Chelated Magnesium Bisglycinate for Higher Absorption | 120 Capsules - 2 Month Supply | Gentle Highly Absorbable No Fillers or Binders | Made in the UK**Nutrivo**£7.65**100 rev9mo ago](https://www.amazon.co.uk/dp/B0FQ4HG5BQ) [**Chelated Magnesium Bisglycinate 2505mg per Daily Dose (Elemental 300 mg) - Unbuffered High Strength Magnesium Supplements for Women and Men 180 Capsules - Vegan**AAVALABS**£14.33**351 rev11mo ago](https://www.amazon.co.uk/dp/B0F9B2FQT8) [**Magnesium Bisglycinate 379mg Elemental Mg Superior Absorption NovoMin Magnesium Glycinate 120 Capsules UK Made GMP Standards Zero Additives Pullulan**Time Health**£16.33**50 rev1y ago](https://www.amazon.co.uk/dp/B0DRPGB9JW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Zenutra Magnesium Bisglycinate 700mg High Absorption Chelated Magnesium Glycinate for Sleep & Relaxation Muscle Function & Energy Vegan Friendly 90 Capsules (45 Day Supply)**Zenutra**£13.40**4.4★**▲ 176%**](https://www.amazon.co.uk/dp/B0GV4WVS8M) [**Cytoplan Magnesium Bisglycinate**Cytoplan**£14.42**5.0★**▲ 167%**](https://www.amazon.co.uk/dp/B0DK7BKLWZ) [**Magnesium Bisglycinate 1000mg | Chelated Magnesium Bisglycinate for Higher Absorption | 120 Capsules - 2 Month Supply | Gentle Highly Absorbable No Fillers or Binders | Made in the UK**Nutrivo**£7.65**4.6★**▲ 107%**](https://www.amazon.co.uk/dp/B0FQ4HG5BQ) [**Bulk Magnesium Glycinate 3-in-1 Complex | 1800mg High Absorption | Triple Strength Magnesium with Bisglycinate Citrate & Malate | Supports Muscle Function Energy & Repair | Vegan | 90 Tablets**BULK POWDERS**£7.07**4.4★**▲ 28%**](https://www.amazon.co.uk/dp/B0G3QPRPXZ) [**Magnesium Glycinate 1422mg - with Vitamin B6-180 Vegan Capsules**WeightWorld**£8.36**4.6★**▲ 21%**](https://www.amazon.co.uk/dp/B0CKFHG8NQ)
**~~View all trending →~~**
## **What buyers say about magnesium bisglycinate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**26%
*“Does help sleep”*
**Quality-Overall**15%
*“Excellent product”*
**Magnesium**10%
*“Best magnesium capsules”*
**Value For Money**9%
*“Excellent value for money”*
**Advertised Vs Actual Product**5%
*“Works as it says”*
**Muscle Pain Relief**4%
*“Muscle pain improved”*
**Efficiency**3%
*“Works perfectly”*
**Ease Of Chewing/Swallowing**3%
*“i've found no problem in swallowing them”*
**Vitamin**2%
*“Vitamins, easy to swallow good amount of supply”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Sleep Quality**15%
*“unable to sleep”*
**Magnesium**9%
*“This magnesium does not work”*
**Functionality-Overall**9%
*“It does absolutely nothing”*
**Acid Regulator/Stomach Ache Relief**6%
*“Gives you stomach cramps”*
**Dosage**5%
*“The dose is misleading”*
**Size-Overall**4%
*“These capsules are small”*
**Side Effects**4%
*“However, I have had some uncomfortable side effects:”*
**Advertised Vs Actual Product**3%
*“Misleading”*
**Value For Money**3%
*“Not worth it”*
**Quality-Overall**3%
*“poor quality control”*
### **Top return reasons **
**Magnesium**50%
**Joint Pain**50%
## **Common questions**
- **Is magnesium bisglycinate profitable to sell on Amazon United Kingdom?**
- The niche generates £296K/yr across 17 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +25.3%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the magnesium bisglycinate niche?**
- 16 brands and 23 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in magnesium bisglycinate?**
- Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.
- **When does demand for magnesium bisglycinate peak?**
- Demand peaks in Aug–Sep; the busiest month runs 11.7× the quietest.
- **What does it cost to enter the magnesium bisglycinate niche?**
- Listings span £4.65–£28.57; the average listing price is £11.58 (sweet spot $15–$100). The average incumbent carries 4,066 reviews — the moat a new listing must climb.
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