---
title: "Magnesium Glycinate Kids — £86K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/magnesium-glycinate-kids"
last_updated: "2026-07-31T23:48:57.577Z"
locale: en
meta:
description: "Niche score 48/100 · £86K/yr market · 89K searches/yr · £12.18 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £86K/yr market · 89K searches/yr · £12.18 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Magnesium Glycinate Kids — £86K/yr Amazon UK Niche (2026) - Flapen"
---
# **magnesium glycinate kids**
**Skip it**
Soft demand (-44.4% this quarter) — this niche doesn't clear our bar today.
Market size 21Growth 3Conversion 78Competition 36Returns 100Price range 52Avg price 52Brand share 38Review moat 81Quality gap 76
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****381.55**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****7.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£12.18**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£7.42–£23.18**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£86K**
£86K/yr · 89K searches
**Growth**
**Bad****-44.4%**
90-day search growth — must beat 0% to launch
**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 glycinate kids is a £86K/yr Amazon United Kingdom market (89K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 48/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium glycinate kids market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **£61K–£73K**
- units × avg price
- **Conversion rate**
- **7.9%**
- **Avg BSR**
- **#128**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **13.9%**
- **Avg brand age**
- **28 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**13**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**12%**
- 8 Hour Sleepwell33% - Vinco Supplements16% - Izkan12% - Sea Vitality11% - novomins10% - Supa-Supps6% - Open — no brand owns it (5 brands, 12%)
## **Demand**
Weekly Amazon search volume, last 16 weeks — -44.4% search growth over the last 90 days.
1K750Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/magnesium-glycinate-kids/trend)
## **Top magnesium glycinate kids search terms**
- **magnesium glycinate kids**33K/yr-43.0%6.2% conv. - **magnesium glycinate for kids**16K/yr-40.5%6.1% conv. - **kids magnesium glycinate**8K/yr-40.8%6.5% conv. - **magnesium glycinate for children**12K/yr-57.1%4.6% conv. - **magnesium glycinate gummies kids**10K/yr-43.8%9.1% conv. - **kids magnesium glycinate gummies**6K/yr-48.3%12.1% conv. - **nutrition ignition kids magnesium glycinate gummies**4K/yr-32.5%0.0% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/magnesium-glycinate-kids/search-terms)
## **Top magnesium glycinate kids 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%£9K20%£17K30%£26K40%£34K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kids Magnesium Glycinate Gummies 1 Month Supply | Sugar-Free Vegan & Chewable | 470mg Magnesium for Kids Providing 65mg to Support Calm Mind & Focus for Children Ages 3+ | Strawberry Flavour**8 Hour Sleepwell**£8.50**4.2★301 rev](https://www.amazon.co.uk/dp/B0DH32SH4H) [2**Vinco Magnesium Glycinate Complex Gummies for Adults & Kids - Chelated Bisglycinate with Vitamin B6 C & D3 L-Theanine 5HTP - Time Release - Sugar Free - Strawberry Flavour - 60 Vegan Gummies**Vinco Supplements**£7.42**4.1★74 rev](https://www.amazon.co.uk/dp/B0GQB2V1BT) [3**Kids Magnesium Gummies - 546 Mg Magnesium Citrate Providing 60 mg of Magnesium - Alternative to Magnesium Glycinate 30 Gummies - 1 Month Supply Magnesium Supplements - Vegan - Gluten Free - Novomins**novomins**£7.99**4.4★3,894 rev](https://www.amazon.co.uk/dp/B09ZZM9YWF) [4**Magnesium Glycinate Gummies 100mg for Kids Calm Magnesium Gummies for Sleep Relaxation Brain Focus Bones No Melatonin Gluten Free Non GMO Vegan 60 Gummies (1)**Izkan**£11.64**4.5★111 rev](https://www.amazon.co.uk/dp/B0DFG2YWTJ) [5**Kids L Theanine Gummies 50mg with Magnesium Glycinate & Prebiotics to Improve Kids Concentration & Focus | Sugar-Free Vegan & Chewable | Ages 3+ | Berry Flavour | 1 Month Supply**8 Hour Sleepwell**£8.75**4.2★88 rev](https://www.amazon.co.uk/dp/B0F99PP8CZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vinco Magnesium Glycinate Complex Gummies for Adults & Kids - Chelated Bisglycinate with Vitamin B6 C & D3 L-Theanine 5HTP - Time Release - Sugar Free - Strawberry Flavour - 60 Vegan Gummies**Vinco Supplements**£7.42**74 rev4mo ago](https://www.amazon.co.uk/dp/B0GQB2V1BT) [**Magnesium Glycinate Gummies 100mg for Kids Calm Magnesium Gummies for Sleep Relaxation Brain Focus Bones No Melatonin Gluten Free Non-GMO Vegan 60 Gummies (1)**Izkan**£7.64**50 rev5mo ago](https://www.amazon.co.uk/dp/B0GJZQP3C8) [**Kids Magnesium Glycinate Sleep Gummies Calm Focus & Relaxation Support with Magnesium B6 L-Theanine & Chamomile Stawberry Stars & Blueberry Moons 90 Vegan Gummies Star & Moon Shape Age 4+**Sea Vitality**£12.80**52 rev6mo ago](https://www.amazon.co.uk/dp/B0GD99J4MY) [**Kids Magnesium Glycinate Sleep Gummies Calm Focus & Relaxation Support with Magnesium B6 L-Theanine & Chamomile Berry Stars & Mango Moons 120 Vegan Gummies Star & Moon Shape Age 4+**Sea Vitality**£14.23**34 rev8mo ago](https://www.amazon.co.uk/dp/B0G3ZLYLQ5) [**Tonic Health Kids Magnesium Gummies - 120mg Magnesium Citrate for Children Ashwagandha KSM-66 Lemon Balm - No Sugar Calm and Balanced - Age 3-12 Years Vegan - Raspberry 60 Count**Tonic Health**£15.23**78 rev9mo ago](https://www.amazon.co.uk/dp/B0G5ZWFKTN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Magnesium Glycinate Gummies 100mg for Kids Calm Magnesium Gummies for Sleep Relaxation Brain Focus Bones No Melatonin Gluten Free Non-GMO Vegan 60 Gummies (1)**Izkan**£7.64**4.3★**▲ 367%**](https://www.amazon.co.uk/dp/B0GJZQP3C8) [**Kids Magnesium Glycinate Sleep Gummies Calm Focus & Relaxation Support with Magnesium B6 L-Theanine & Chamomile Stawberry Stars & Blueberry Moons 90 Vegan Gummies Star & Moon Shape Age 4+**Sea Vitality**£12.80**4.5★**▲ 364%**](https://www.amazon.co.uk/dp/B0GD99J4MY) [**Vinco Magnesium Glycinate Complex Gummies for Adults & Kids - Chelated Bisglycinate with Vitamin B6 C & D3 L-Theanine 5HTP - Time Release - Sugar Free - Strawberry Flavour - 60 Vegan Gummies**Vinco Supplements**£7.42**4.1★**▲ 265%**](https://www.amazon.co.uk/dp/B0GQB2V1BT) [**Tonic Health Kids Magnesium Gummies - 120mg Magnesium Citrate for Children Ashwagandha KSM-66 Lemon Balm - No Sugar Calm and Balanced - Age 3-12 Years Vegan - Raspberry 60 Count**Tonic Health**£15.23**3.4★**▲ 139%**](https://www.amazon.co.uk/dp/B0G5ZWFKTN) [**Magnesium Glycinate Gummies for Kids & Adults - High Strength Magnesium Glycinate 400mg with Malate Zinc D3 B6 & Taurine Blueberry & Raspberry Flavours Sleep Focus & Relaxation 120 Chews**Sea Vitality**£16.33**4.4★**▲ 85%**](https://www.amazon.co.uk/dp/B0FFKBYBX3)
**~~View all trending →~~**
## **What buyers say about magnesium glycinate kids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**24%
*“helps with sleep”*
**Taste-Overall**14%
*“Taste divine and appear to work”*
**Quality-Overall**6%
*“Well made gummies -”*
**Magnesium**6%
*“Really happy with these magnesium gummies”*
**Flavor**6%
*“Nice subtle flavour great product”*
**Vitamin**3%
*“Great quality vitamins for my kid”*
**Ease Of Chewing/Swallowing**3%
*“easy to consume”*
**Soothing Effect**3%
*“Good for feeling calm”*
**Ease Of Use**2%
*“easy to take”*
**Value For Money**2%
*“much cheaper”*
### **What buyers complain about **
**Sleep Quality**19%
*“not sleep aid”*
**Taste-Overall**8%
*“Hmm strange taste”*
**Functionality-Overall**8%
*“Did not work”*
**Age Suitability**4%
*“Not suitable for kids”*
**Value For Money**4%
*“Expensive”*
**Magnesium**4%
*“Slightly low magnesium amount -”*
**Quality-Overall**3%
*“not the best product”*
**Texture/Consistency-Overall**2%
*“The texture is a bit tricky though”*
**Color**2%
*“although I don't really like the blue colour”*
**Instructions/User Manual/Troubleshooting**2%
*“Using guidelines a bit worrying”*
## **Common questions**
- **Is magnesium glycinate kids profitable to sell on Amazon United Kingdom?**
- The niche generates £86K/yr across 20 tracked products. 4 of 8 products launched in the last 360 days are still selling. 90-day search growth is -44.4%. Flapen's verdict: Skip it (48/100).
- **How competitive is the magnesium glycinate kids niche?**
- 11 brands and 13 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in magnesium glycinate kids?**
- Top complaints mined from reviews: Sleep Quality, Taste-Overall, Functionality-Overall. The return rate is 0.1%.
- **What does it cost to enter the magnesium glycinate kids niche?**
- Listings span £7.42–£23.18; the average listing price is £12.18 (sweet spot $15–$100). The average incumbent carries 382 reviews — the moat a new listing must climb.
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