Is magnesium citrate 200 mg profitable to sell on Amazon United States?

The niche generates $54K/yr across 23 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +15.6%. Flapen's verdict: Skip it (48/100).

How competitive is the magnesium citrate 200 mg niche?

15 brands and 120 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in magnesium citrate 200 mg?

Top complaints mined from reviews: Size-Overall, Magnesium, Ease Of Chewing/Swallowing. The return rate is 0.0%.

When does demand for magnesium citrate 200 mg peak?

Demand peaks in Jan–Feb–Mar; the busiest month runs 7.5× the quietest.

What does it cost to enter the magnesium citrate 200 mg niche?

Listings span $8.46–$33.48; the average listing price is $16.42 (sweet spot $15–$100). The average incumbent carries 8,414 reviews — the moat a new listing must climb.

Magnesium Citrate 200 Mg

Skip it

A small market ($54K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$16.42

avg listing price — sweet spot $15–$100

Price range

Good$8.46–$33.48

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

Conversion

Good5.9%

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

Competition

Okay56%

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

Growth

Okay+15.6%

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

Brand share

Okay84%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad8,414.17

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$54K

$54K/yr · 56K searches

Is magnesium citrate 200 mg profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium citrate 200 mg is a $54K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 48/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

magnesium citrate 200 mg market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $66K–$82K; units × avg price
Conversion rate: 5.9%
Avg BSR: #793
Page quality: 0%
Prime: 100%
Sponsored: 70%
Out of stock: 0.0%
Avg brand age: 85 months
Avg seller age: 151 days

Competition: brands, sellers & click share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 rising

Sellers

120

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

56%

Top 20: 97%

Open market

14%

NOW Foods41%
Nature Made23%
Pure Encapsulations11%
Solgar6%
LES Labs3%
NaturaLife Labs2%
Open — no brand owns it (9 brands, 14%)

magnesium citrate 200 mg demand & seasonality

Weekly Amazon search volume, last 100 weeks — +15.6% search growth over the last 90 days.

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 7.5×

Open Trend

Top magnesium citrate 200 mg search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

magnesium citrate 200 mg25K/yr +12.2%6.6% conv.
magnesium citrate 200mg10K/yr +42.4%5.5% conv.
magnesium citrate tablets10K/yr +5.0%5.8% conv.
200 mg magnesium citrate5K/yr +78.5%1.5% conv.
magnesium citrate 200 mg capsules4K/yr -0.8%8.7% conv.
magnesium citrate tablet3K/yr -43.3%4.2% conv.

All search terms

Top magnesium citrate 200 mg 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.

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

All 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NOW Supplements Magnesium Citrate 200 mg Enzyme Function* Nervous System Support* 250 Count (Pack of 1)

NOW Foods$21.244.5★2,920 rev

NOW Foods Supplements Magnesium Citrate 200 mg Enzyme Function* Nervous System Support* 100 Tablets

NOW Foods$11.394.4★828 rev

Nature Made Magnesium Citrate 250 mg per Serving 120 Softgels

Nature Made$14.914.6★24,924 rev

Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep Heart Health Cognitive Health Bone Health Energy Muscles and Metabolism* - with Premium Magnesium - 90 Capsules

Pure Encapsulations$19.704.7★13,790 rev

Solgar Magnesium Citrate 120 Tablets - Promotes Healthy Bones - Supports Nerve & Muscle Function - Non GMO Vegan Gluten Free Dairy Free Kosher - 60 Servings Standard Packaging

Solgar$13.384.6★15,010 rev

Newest

by launch date

Nature Made Extra Strength Dosage Magnesium Citrate Tablets 60 Tablets

Nature Made$13.2975 rev

5mo ago

Arofum Magnesium Citrate Capsules for Constipation & Sleep Support - Vegan Magnesium Citrate Supplement with Vitamin B6 & L-Theanine for High Absorption - 120 Capsules Non-GMO

Arofum$12.7278 rev

11mo ago

Vitamatic Magnesium Citrate 500mg per Serving - 180 Vegetarian Capsules (Provides 150 mg of Elemental Magnesium) - Added B6 for Maximum Absorption - Supports Muscle Joint and Heart Health*

Vitamatic$9.871,957 rev

2y ago

Qunol Magnesium Citrate Gummies 200mg Vegetarian Gluten-Free 120ct

Qunol$23.014,774 rev

2y ago

Brieofood Magnesium Citrate 400 mg (Elemental Mg) per Serving - 250 Tablets - Muscle Relaxation (Citrato de Magnesio)

Brieofood$10.12324 rev

3y ago

What reviews say buyers love and hate about magnesium citrate 200 mg

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

What buyers love

Quality-Overall21%

“High quality and easy to take”

Magnesium12%

“Magnesium gummys are great”

Sleep Quality7%

“my sleep quality has improved”

Value For Money6%

“Good price”

Regulates Digestion5%

“Does not upset my stomach or anything”

Vitamin5%

“Good supplement”

Efficiency5%

“Works well”

Advertised Vs Actual Product4%

“Works as it should”

Taste-Overall3%

“Good taste”

Ease Of Chewing/Swallowing3%

“not overly difficult to swallow”

What buyers complain about

Size-Overall18%

“But tablets Are too large”

Magnesium7%

“Not as good as Magnesium Glycinate”

Ease Of Chewing/Swallowing6%

“Too big for me to swallow”

Functionality-Overall4%

“Not effective like another brand I use”

Dosage4%

“therefore delivering incorrect dosage”

Quality-Overall4%

“Very poor quality”

Taste-Overall3%

“leave a bad aftertaste”

Regulates Digestion3%

“I have major digestive issues”

Acid Regulator/Stomach Ache Relief3%

“caused excessive abdominal discomfort”

Sleep Quality3%

“Does not help with sleep”

Top return reasons

Magnesium55%

Functionality-Overall9%

Ease Of Chewing/Swallowing9%

Size-Overall8%

Advertised Vs Actual Product8%

Product Condition3%

Dosage3%

Ingredients-Overall3%

Ease Of Use3%

Common magnesium citrate 200 mg questions

Is magnesium citrate 200 mg profitable to sell on Amazon United States?: The niche generates $54K/yr across 23 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +15.6%. Flapen's verdict: Skip it (48/100).
How competitive is the magnesium citrate 200 mg niche?: 15 brands and 120 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in magnesium citrate 200 mg?: Top complaints mined from reviews: Size-Overall, Magnesium, Ease Of Chewing/Swallowing. The return rate is 0.0%.
When does demand for magnesium citrate 200 mg peak?: Demand peaks in Jan–Feb–Mar; the busiest month runs 7.5× the quietest.
What does it cost to enter the magnesium citrate 200 mg niche?: Listings span $8.46–$33.48; the average listing price is $16.42 (sweet spot $15–$100). The average incumbent carries 8,414 reviews — the moat a new listing must climb.