Liquid Magnesium for Kids
Skip itSoft demand (-12.8% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$19.63avg listing price — sweet spot $15–$100
Conversion
Great9.6%search→purchase rate — share of searches ending in a sale
Price range
Great$10.18–$33.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good521.27avg incumbent reviews — the moat a new listing must climb
Market size
Okay$230K$230K/yr · 122K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad72%top-5 click share — a locked-up shelf
Brand share
Bad92%top-5 brand share — brand-locked demand
Growth
Bad-12.8%90-day search growth — must beat 0% to launch
Is liquid magnesium for kids profitable on Amazon?
According to Flapen's Amazon United States niche tracking, liquid magnesium for kids is a $230K/yr Amazon United States market (122K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jul. Verdict: Skip it — 48/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
liquid magnesium for kids market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $157K–$196K
- units × avg price
- Conversion rate
- 9.6%
- Avg BSR
- #419
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 3.6%
- Avg brand age
- 37 months
- Avg seller age
- 161 days
Competition: brands, sellers & click share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
494
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
3%
- CFILIHTC54%
- Hovika17%
- ReviNutra8%
- GZ HAOYUAN7%
- JoySpring5%
- MARYRUTH'S5%
- Open — no brand owns it (1 brand, 3%)
liquid magnesium for kids demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.8% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 2.3×
Top liquid magnesium for kids search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- magnesium drops for kids34K/yr
- kids magnesium drops18K/yr
- liquid magnesium for kids15K/yr
- magnesium complex drops for kids11K/yr
- magnesium glycinate drops for kids8K/yr
- magnesium liquid for kids5K/yr
- magnesium glycinate liquid for kids6K/yr
- kids liquid magnesium4K/yr
- magnesium kids drops3K/yr
- kids magnesium liquid7K/yr
Top liquid magnesium for kids products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kids Magnesium Liquid Drops-Magnesium Glycinate Liquid for Kids Supplement-w/L-theanine Omega-3 Vitamin B6 D3 - for Sleep Relaxation Brain Bones - 2 Fl Oz Childrens Calm Strawberry Flavor
CFILIHTC$17.324.6★1,844 rev
Magnesium Glycinate Liquid for Kids - with L-Theanine Omega-3 Vitamin B6 D3 Zinc - Kids Magnesium Drops for Sleep Relaxation Calm & Focus - 2 Fl Oz Strawberry Flavor
Hovika$17.584.6★924 rev
Kids Magnesium Liquid Drops-Magnesium Glycinate Liquid for Kids Supplement-w/L-theanine Omega-3 Vitamin B6 D3 - for Sleep Relaxation Brain Bones - 4 Fl Oz Childrens Calm
CFILIHTC$26.784.6★1,844 rev
Magnesium Glycinate Liquid for Kids - Magnesium Bisglycinate Drops with L-Theanine Chamomile & Vitamin B6 B12 C D3 for Sleep Relaxation Immune Support Calm & Focus - 2 Fl Oz Strawberry Flavor
CFILIHTC$17.654.7★86 rev
Magnesium Glycinate Liquid for Kids - Magnesium Citrate Supplement with L-theanine Chamomile & Vitamin B6 - for Sleep Relaxation Calm & Focus Mixed Berry Flavor 2 Fl Oz
GZ HAOYUAN$10.184.6★114 rev
Newest
by launch dateMagnesium Glycinate Liquid for Kids - Magnesium Citrate Supplement with L-theanine Chamomile & Vitamin B6 - for Sleep Relaxation Calm & Focus Mixed Berry Flavor 2 Fl Oz
GZ HAOYUAN$10.18114 rev
Magnesium Glycinate Liquid for Kids - Magnesium Bisglycinate Drops with L-Theanine Chamomile & Vitamin B6 B12 C D3 for Sleep Relaxation Immune Support Calm & Focus - 2 Fl Oz Strawberry Flavor
CFILIHTC$17.6586 rev
Kids Magnesium Glycinate Liquid Drops with L-Theanine Omega-3 Vitamins B6 & D3 Zinc & Calcium for Sleep Support Relaxation Focus & Brain Bones Strawberry Flavor 2 Fl Oz
GZ HAOYUAN$13.3980 rev
Magnesium Drops - Magnesium Glycinate Liquid Drops for Kids - Calm Sleep Relaxation Bones Brain Support with Vitamin B6 C D3 Omega-3 L-Theanine Zinc Multivitamins - Strawberry Flavor 2 Fl Oz
CNCHEF$17.44124 rev
Magnesium Glycinate Liquid for Kids Kids Magnesium Drops with L-Theanine Calcium Zinc Vitamin D3 K2 for Sleep Calm Mood Relaxation Focus Brain Bones Strawberry Flavor 2 Fl Oz
ReviNutra$17.19141 rev
Trending
90-day click momentumMagnesium Glycinate Liquid for Kids - Magnesium Citrate Supplement with L-theanine Chamomile & Vitamin B6 - for Sleep Relaxation Calm & Focus Mixed Berry Flavor 2 Fl Oz
GZ HAOYUAN$10.184.6★
Magnesium Glycinate Liquid for Kids - Magnesium Bisglycinate Drops with L-Theanine Chamomile & Vitamin B6 B12 C D3 for Sleep Relaxation Immune Support Calm & Focus - 2 Fl Oz Strawberry Flavor
CFILIHTC$17.654.7★
Kids Magnesium Liquid Drops-Magnesium Glycinate Liquid for Kids Supplement-w/L-theanine Omega-3 Vitamin B6 D3 - for Sleep Relaxation Brain Bones - 4 Fl Oz Childrens Calm
CFILIHTC$26.784.6★
Kids Liquid Nighttime Multimineral by MaryRuths | Bone Health | Immune Function | Bedtime Supplement | Kids Vitamins | Magnesium | Vegan | Sugar Free | 30-180 Servings | 15.22 fl oz
MARYRUTH'S$21.574.6★
Liquid Magnesium Supplement by MaryRuths | Magnesium Complex with Magnesium Glycerophosphate + Magnesium Bisglycinate + Taurate + Malate | Ages 4+ | Cognitive Function | Bone Health | Vegan | 30oz
MARYRUTH'S$33.604.6★
What reviews say buyers love and hate about liquid magnesium for kids
What buyers praise and complain about, mined from review topics.What buyers love
“Her sleep quality has improved slightly”
“It tastes delicious”
“Great product for us”
“Works well”
“Magnesium drops are Amazing”
“Flavor is delicious”
“calming”
“they are feeling relaxed”
“it helps with their vitamin D levels”
“Easily taken”
What buyers complain about
“it does not help with sleep”
“Dosage too high, not safe”
“so far its not helping- doing the opposite”
“this is in fact WAY TOO MUCH magnesium”
“Overpriced”
“Taste is off too”
“there must be something stronger inside”
“My kids dont really like the strawberry flavor”
“Way too strong”
“Day 3 he started complaining of his belly hurting”
Top return reasons
Common liquid magnesium for kids questions
- Is liquid magnesium for kids profitable to sell on Amazon United States?
- The niche generates $230K/yr across 15 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -12.8%. Flapen's verdict: Skip it (48/100).
- How competitive is the liquid magnesium for kids niche?
- 7 brands and 494 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in liquid magnesium for kids?
- Top complaints mined from reviews: Sleep Quality, Dosage, Functionality-Overall. The return rate is 0.0%.
- When does demand for liquid magnesium for kids peak?
- Demand peaks in Jul; the busiest month runs 2.3× the quietest.
- What does it cost to enter the liquid magnesium for kids niche?
- Listings span $10.18–$33.60; the average listing price is $19.63 (sweet spot $15–$100). The average incumbent carries 521 reviews — the moat a new listing must climb.