Is magnesium gummies profitable to sell on Amazon United Kingdom?

The niche generates £314K/yr across 22 tracked products. 6 of 9 products launched in the last 360 days are still selling. 90-day search growth is -32.9%. Flapen's verdict: Worth a look (52/100).

How competitive is the magnesium gummies niche?

19 brands and 62 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in magnesium gummies?

Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.

When does demand for magnesium gummies peak?

Demand peaks in Jan–Feb–Mar; the busiest month runs 1.9× the quietest.

What does it cost to enter the magnesium gummies niche?

Listings span £7.42–£14.18; the average listing price is £10.02 (sweet spot $15–$100). The average incumbent carries 2,362 reviews — the moat a new listing must climb.

magnesium gummies

Worth a look

Shows low returns (0.1%), but prices mostly outside the sweet spot ($7.42–$14.18) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great12.0%

search→purchase rate — share of searches ending in a sale

Brand share

Good65%

top-5 brand share — brands hold most of the demand

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good£314K

£314K/yr · 262K searches

Competition

Okay55%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay2,361.77

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay£10.02

avg listing price — sweet spot $15–$100

Growth

Bad-32.9%

90-day search growth — must beat 0% to launch

Price range

Bad£7.42–£14.18

cheapest to priciest tracked listing — scored on the share inside $15–$100

Signals No Dominant Brand

According to Flapen's Amazon United Kingdom niche tracking, magnesium gummies is a £314K/yr Amazon United Kingdom market (262K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Worth a look — 52/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

magnesium gummies market data

Units sold / yr: 25K–30K; avg 1,000–1,250/product
Revenue / yr: £251K–£301K; units × avg price
Conversion rate: 12.0%
Avg BSR: #129
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 4.2%
Avg brand age: 29 months
Avg seller age: 167 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 flat

Sellers

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

55%

Top 20: 98%

Open market

28%

Nutrigums19%
RKPROUC17%
novomins14%
SuperSelf8%
TRIP7%
Nobi Nutrition6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -32.9% search growth over the last 90 days.

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 1.9×

Open Trend

Top magnesium gummies search terms

magnesium gummies207K/yr -35.4%9.2% conv.
magnesium gummies adult32K/yr -12.0%9.2% conv.
magnesium citrate gummies12K/yr -18.6%7.9% conv.
magnesium gummy5K/yr -65.3%9.3% conv.
magnesium chewable3K/yr -28.4%8.7% conv.
magnesium supplements gummies3K/yr -31.3%10.0% conv.

All search terms

Top magnesium gummies 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Nutrigums£10.454.5★1,200 rev

120 Count Magnesium Glycinate Gummies High Absorption Magnesium Supplement for Women Men and Kids Support Sleep Muscle and Relaxation Sugar Free

RKPROUC£12.214.2★137 rev

Magnesium Gummies for Adults & Kids - 150mg Magnesium Supplements for Sleep Relaxation & Muscle Support - Natural Grape Flavour - No Artificial Colours - Vegan - 60 Gummies Easy to Chew

SuperSelf£7.644.3★568 rev

Magnesium Gummies - High Strength 1636 mg of Citrate Offering 180mg of Elemental Mg - Magnesium Supplements - Alternative to Tablets Spray & Oil - Vegan - 60 Gummies - Novomins

novomins£14.184.4★956 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

Newest

by launch date

Magnesium Citrate Gummies 400mg of Elemental Magnesium & 90mg Vitamin C Non-GMO Vegan 60 Gummies Raspberry Flavor for Sleep Muscle and Bone Support

Balance Lifestyle£7.9817 rev

4mo ago

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£7.4274 rev

4mo ago

Healthivo Magnesium Gummies with Zinc 60 Vegan Gummies Sugar Free

Healthivo£10.2862 rev

6mo ago

21-in-1 Liposomal 12 Active Magnesium Complex 1000mg Gummies - with Magnesium Glycinate Citrate Malte & Vitamin C - Magnesium Supplements for Supports Bone Muscle Relaxation & Sleep

JONBAY£11.9944 rev

7mo ago

Magnesium Glycinate Gummies for Adults 120 Count - 600 MG Per Serving Promotes Relaxation & Restful Sleep Focus Supports Heart & Bone Health Raspberry Flavor Non-GMO

Furnrubden£12.0330 rev

8mo ago

What buyers say about magnesium gummies

What buyers praise and complain about, mined from review topics.

What buyers love

Sleep Quality25%

“Better nights sleep”

Quality-Overall11%

“Good product x”

Magnesium9%

“Best magnesium capsules”

Value For Money8%

“much cheaper”

Taste-Overall7%

“No unpleasant aftertaste”

Advertised Vs Actual Product4%

“As Advertised”

Ease Of Chewing/Swallowing3%

“Easy to chew”

Muscle Pain Relief3%

“relax my muscles”

Efficiency3%

“Does the job”

Ease Of Use3%

“Easy to use”

What buyers complain about

Sleep Quality15%

“Don't help with sleep”

Magnesium8%

“This magnesium does not work”

Functionality-Overall7%

“It does absolutely nothing”

Acid Regulator/Stomach Ache Relief5%

“Gives you stomach cramps”

Dosage4%

“The dosage is far too high”

Value For Money4%

“a bit pricey”

Side Effects3%

“Will make you ill”

Size-Overall3%

“Quite big tablets”

Taste-Overall3%

“the taste was just too gross”

Advertised Vs Actual Product3%

“Misleading”

Top return reasons

Joint Pain50%

Magnesium50%

Common questions

Is magnesium gummies profitable to sell on Amazon United Kingdom?: The niche generates £314K/yr across 22 tracked products. 6 of 9 products launched in the last 360 days are still selling. 90-day search growth is -32.9%. Flapen's verdict: Worth a look (52/100).
How competitive is the magnesium gummies niche?: 19 brands and 62 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in magnesium gummies?: Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.
When does demand for magnesium gummies peak?: Demand peaks in Jan–Feb–Mar; the busiest month runs 1.9× the quietest.
What does it cost to enter the magnesium gummies niche?: Listings span £7.42–£14.18; the average listing price is £10.02 (sweet spot $15–$100). The average incumbent carries 2,362 reviews — the moat a new listing must climb.