magnesium glycinate kids
Skip itSoft demand (-44.4% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Review moat
Great381.55avg incumbent reviews — the moat a new listing must climb
Conversion
Great7.9%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good£12.18avg listing price — sweet spot $15–$100
Price range
Good£7.42–£23.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Competition
Okay63%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
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
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.Top magnesium glycinate kids search terms
- magnesium glycinate kids33K/yr
- magnesium glycinate for kids16K/yr
- kids magnesium glycinate8K/yr
- magnesium glycinate for children12K/yr
- magnesium glycinate gummies kids10K/yr
- kids magnesium glycinate gummies6K/yr
- nutrition ignition kids magnesium glycinate gummies4K/yr
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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£8.504.2★301 rev
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£7.424.1★74 rev
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£7.994.4★3,894 rev
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£11.644.5★111 rev
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£8.754.2★88 rev
Newest
by launch dateVinco 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£7.4274 rev
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£7.6450 rev
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£12.8052 rev
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£14.2334 rev
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£15.2378 rev
Trending
90-day click momentumMagnesium 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£7.644.3★
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£12.804.5★
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£7.424.1★
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£15.233.4★
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£16.334.4★
What buyers say about magnesium glycinate kids
What buyers praise and complain about, mined from review topics.What buyers love
“helps with sleep”
“Taste divine and appear to work”
“Well made gummies -”
“Really happy with these magnesium gummies”
“Nice subtle flavour great product”
“Great quality vitamins for my kid”
“easy to consume”
“Good for feeling calm”
“easy to take”
“much cheaper”
What buyers complain about
“not sleep aid”
“Hmm strange taste”
“Did not work”
“Not suitable for kids”
“Expensive”
“Slightly low magnesium amount -”
“not the best product”
“The texture is a bit tricky though”
“although I don't really like the blue colour”
“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.