Is manganese supplement profitable to sell on Amazon United States?

The niche generates $149K/yr across 14 tracked products. 90-day search growth is +2.7%. Flapen's verdict: Skip it (49/100).

How competitive is the manganese supplement niche?

12 brands and 22 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 76% of demand.

What do buyers complain about in manganese supplement?

Top complaints mined from reviews: Value For Money, Dosage, Artificial Sweeteners. The return rate is 0.0%.

When does demand for manganese supplement peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the manganese supplement niche?

Listings span $8.05–$27.90; the average listing price is $14.89 (sweet spot $15–$100). The average incumbent carries 471 reviews — the moat a new listing must climb.

Manganese Supplement

Skip it

A concentrated shelf (top 5 take 73% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great8.6%

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

Review moat

Great470.71

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$14.89

avg listing price — sweet spot $15–$100

Price range

Good$8.05–$27.90

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

Brand share

Okay76%

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

Market size

Okay$149K

$149K/yr · 116K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Okay+2.7%

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

Competition

Bad73%

top-5 click share — a locked-up shelf

Is manganese supplement profitable on Amazon?

According to Flapen's Amazon United States niche tracking, manganese supplement is a $149K/yr Amazon United States market (116K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 49/100.

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

manganese supplement market size & sales

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

Units sold / yr: 10K–13K; avg 750–1,000/product
Revenue / yr: $149K–$186K; units × avg price
Conversion rate: 8.6%
Avg BSR: #642
Page quality: 0%
Prime: 100%
Sponsored: 64%
Out of stock: 0.0%
Avg brand age: 80 months
Avg seller age: 154 days

Competition: brands, sellers & click share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 rising

Sellers

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

18%

Pure Encapsulations26%
Nutricost22%
Source Naturals11%
Peak Performance9%
Solgar8%
SOLARAY6%
Open — no brand owns it (6 brands, 18%)

manganese supplement demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top manganese supplement search terms shoppers use

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

manganese58K/yr +4.8%7.3% conv.
manganese supplement47K/yr -3.1%9.4% conv.
chelated manganese3K/yr +24.2%10.5% conv.
maganese4K/yr +6.0%11.9% conv.
manganize2K/yr +166.5%0.5% conv.
manganese supplement 200mg2K/yr -48.4%9.3% conv.

All search terms

Top manganese supplement 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 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Pure Encapsulations Manganese (Aspartate/Citrate) | Hypoallergenic Trace Mineral Supplement for Connective Tissue and Bones | 60 Capsules

Pure Encapsulations$12.634.6★833 rev

Nutricost Chelated Manganese Supplement 8mg Amino Acid Chelate 120 Caps

Nutricost$11.834.6★522 rev

Source Naturals Manganese Amino Acid Complex - Supports Energy Production* - 10 mg - 250 Tablets

Source Naturals$9.724.6★772 rev

Manganese Supplement Food Like Mineral Chelated for Superior Absorption with Whole Food Blend of 25+ Fruits & Vegetables. Pure Trace Mineral Capsules for Connective Tissue Bone Health Enzyme Support

Peak Performance$17.434.6★487 rev

SOLARAY Manganese Supplement 50 mg - Essential Trace Minerals - Advanced Trace Mineral Supplements for Bone Strength and Bone Health Support - Lab Verified 60-Day Guarantee 100 Servings 100 VegCaps

SOLARAY$9.634.6★468 rev

Newest

by launch date

Best Naturals Manganese (Manganese Amino Acid Chelate) 8 mg- 250 Tablets

Best Naturals$9.9382 rev

2y ago

Nutricost Chelated Manganese Supplement 8mg Amino Acid Chelate 120 Caps

Nutricost$11.83522 rev

4y ago

Manganese Supplement Food Like Mineral Chelated for Superior Absorption with Whole Food Blend of 25+ Fruits & Vegetables. Pure Trace Mineral Capsules for Connective Tissue Bone Health Enzyme Support

Peak Performance$17.43487 rev

6y ago

Taste N Score Manganese Liquid Ionic Mineral Supplement; 100% Pure; 6 mg; 118 Servings

SENSEable Supplements$17.9683 rev

12y ago

BulkSupplements.com Manganese Gluconate Powder - Manganese Supplement Essential Trace Mineral - High Absorption & Gluten Free 225mg per Serving 250g (8.8 oz) (Pack of 1)

BulkSupplements$20.86107 rev

12y ago

What reviews say buyers love and hate about manganese supplement

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

What buyers love

Quality-Overall23%

“My blood tests say its a good product”

Value For Money17%

“Good value”

Hair Growth8%

“Helps hair”

Vitamin6%

“My absolute number one, most trusted supplements brand, science based and family owned”

Muscle Pain Relief6%

“Manganese, good for bone strength”

Advertised Vs Actual Product6%

“Item as described”

Nutritional Content6%

“STANDARD PROCESS whole food nutrition”

Efficiency6%

“It works”

Solubility3%

“Amazing blend very well dosed”

Minerals3%

“Complete Minerals”

What buyers complain about

Value For Money25%

“Waste of my money”

Dosage19%

“Doses above 11mg a day are considered unsafe”

Artificial Sweeteners13%

“This product has sorbitol the artificial sweetener in it”

Iron13%

“Ratio of zinc to copper is incorrect and dangerous”

Ease Of Use6%

“Didn't even open it”

Stiffness6%

“I still face stiffness despite the surgery being a smashing success”

Quality-Overall3%

“Quality disintegrated”

Sleep Quality3%

“my sleep crashed”

Magnesium3%

“There doesnt seem to be any active magnesium in them at all”

Muscle Pain Relief3%

“As soon as I started the last bottle my sleep got worse and the leg and foot cramps it had controlled came back with a vengeance”

Top return reasons

Ingredients-Overall50%

Side Effects50%

Common manganese supplement questions

Is manganese supplement profitable to sell on Amazon United States?: The niche generates $149K/yr across 14 tracked products. 90-day search growth is +2.7%. Flapen's verdict: Skip it (49/100).
How competitive is the manganese supplement niche?: 12 brands and 22 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 76% of demand.
What do buyers complain about in manganese supplement?: Top complaints mined from reviews: Value For Money, Dosage, Artificial Sweeteners. The return rate is 0.0%.
When does demand for manganese supplement peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the manganese supplement niche?: Listings span $8.05–$27.90; the average listing price is $14.89 (sweet spot $15–$100). The average incumbent carries 471 reviews — the moat a new listing must climb.