Is ferritin profitable to sell on Amazon United States?

The niche generates $907K/yr across 20 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -2.1%. Flapen's verdict: Worth a look (54/100).

How competitive is the ferritin niche?

15 brands and 596 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in ferritin?

Top complaints mined from reviews: Iron, Taste-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.

When does demand for ferritin peak?

Demand peaks in Apr–Jul; the busiest month runs 2.9× the quietest.

What does it cost to enter the ferritin niche?

Listings span $4.84–$55.65; the average listing price is $27.38 (sweet spot $15–$100). The average incumbent carries 10,136 reviews — the moat a new listing must climb.

ferritin

Worth a look

Shows low returns (0.0%), but a deep review moat (10,136 avg reviews) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.38

avg listing price — sweet spot $15–$100

Price range

Great$4.84–$55.65

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

Market size

Great$907K

$907K/yr · 634K searches

Conversion

Good5.2%

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

Brand share

Good72%

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

Competition

Okay63%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-2.1%

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

Review moat

Bad10,136.25

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, ferritin is a $907K/yr Amazon United States market (634K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Apr–Jul. Verdict: Worth a look — 54/100.

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

ferritin market data

Units sold / yr: 30K–40K; avg 1,500–2,000/product
Revenue / yr: $821K–$1.1M; units × avg price
Conversion rate: 5.2%
Avg BSR: #510
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.8%
Avg brand age: 73 months
Avg seller age: 157 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

596

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

20%

Pure Encapsulations23%
Flora16%
THORNE16%
MegaFood9%
Cardiovascular Research8%
Designs for Health8%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.1% search growth over the last 90 days.

Peak months: Apr, Jul · busiest ÷ quietest = 2.9×

Open Trend

Top ferritin search terms

ferritin supplement for women291K/yr -0.5%4.6% conv.
ferritin171K/yr -2.7%4.5% conv.
ferritin supplement67K/yr -8.3%3.8% conv.
ferritin iron supplement18K/yr +0.1%2.6% conv.
iron ferritin supplement11K/yr +8.1%4.2% conv.
ferratin10K/yr +12.3%3.9% conv.
flora ferritin9K/yr -28.8%5.7% conv.
ferritin supplements5K/yr +20.1%2.6% conv.
low ferritin supplement6K/yr +18.6%4.0% conv.
ferritina4K/yr +72.6%1.2% conv.

All search terms

Top ferritin 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Pure Encapsulations OptiFerin-C - for Red Blood Cells & Energy - Iron Absorption Support - Energy Supplement* - Vitamin C Enriched - Gluten Free & Non-GMO - 60 Capsules

Pure Encapsulations$15.384.7★1,444 rev

THORNE - Advanced Iron Complex - Complete Blood Support Formula* - Elemental Iron Folate B and C Vitamins for Optimal Absorption - Chelated Iron Supplement - Gluten Dairy & Soy-Free - 60 Capsules

THORNE$25.514.6★4,282 rev

Flora Ferritin+ Delayed-Release Iron Supplement - Plant-Based Iron Supplement - Blood Cell & Energy Support - Vegan & Gluten-Free - Amber Glass Bottle - 30 Vegan Capsules

Flora$25.004.6★906 rev

Cardiovascular Research Ferritin Maximum Absorption Iron Supplement 1-Pack 01-Cream 60 Capsules

Cardiovascular Research$17.424.6★408 rev

Designs for Health Iron Vital for Energy Production Immune & Brain Health High Absorption Ferrochel Chelated Iron for Women & Men as Ferrous Bisglycinate Chelate Pregnancy Safe (120 Vegan Caps)

Designs for Health$21.884.7★2,032 rev

Newest

by launch date

WOVOEO Ferravital Ferritin Support for Women with Ferrous Glycine Vitamin C B6 Zinc B12 & Folate Gluten Free & Non-GMO Gentle Iron Support for Energy 60 Capsules

WOVOEO$43.4323 rev

1mo ago

Ferritin Supplement for Women Complete Ferritin Complex - 60 Capsules

ODORHOOD$43.952 rev

2mo ago

FerraVital Ferritin Support Iron Supplement for Women Supports Healthy Iron & Energy Levels with Ferrous Glycine Vitamin C B12 B6 Folate Zinc & Probiotics 60 Capsules(1pc)

FerraVital$42.7557 rev

5mo ago

Beef Organ Supplement for Women - Ferritin Supplement for Women Grass Fed Liver Uterus Ovary & Bone Marrow - Natural Anemia Support Energy & Hormone Balance - Pasture Raised - 120 Capsules

Rasav$20.5373 rev

8mo ago

Flora Ferritin+ Delayed-Release Iron Supplement - Plant-Based Iron Supplement - Blood Cell & Energy Support - Vegan & Gluten-Free - Amber Glass Bottle - 30 Vegan Capsules

Flora$25.00906 rev

1y ago

What buyers say about ferritin

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

What buyers love

Iron23%

“Awesome Iron supplement”

Quality-Overall11%

“Overall I feel the capsules were good quality”

Acid Regulator/Stomach Ache Relief6%

“No stomach issues or constipation so far which I really like”

Vitamin6%

“A good vitamin—easy to take”

Efficiency4%

“Really does work”

Energy Level4%

“Helped with energy levels”

Regulates Digestion4%

“Easy to digest”

Side Effects4%

“no nausea from this supplement”

Value For Money3%

“Good value for price”

Advertised Vs Actual Product3%

“Exactly as described”

What buyers complain about

Iron22%

“Low iron”

Taste-Overall9%

“Disgusting taste”

Acid Regulator/Stomach Ache Relief5%

“Hard on stomach”

Side Effects5%

“Made me extremely dizzy”

Regulates Digestion4%

“also caused constipation”

Value For Money2%

“Not worth the price”

Functionality-Overall2%

“Didn't work for me”

Dosage2%

“65mg in a serving is a MASSIVE dose”

Advertised Vs Actual Product2%

“Does not work as advertised”

Vitamin2%

“Megadose of unwanted vitamins such as B12”

Top return reasons

Iron18%

Leak-Proof11%

Acid Regulator/Stomach Ache Relief11%

Regulates Digestion8%

Value For Money7%

Functionality-Overall5%

Certifications5%

Vitamin5%

Advertised Vs Actual Product5%

Ease Of Use4%

Common questions

Is ferritin profitable to sell on Amazon United States?: The niche generates $907K/yr across 20 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -2.1%. Flapen's verdict: Worth a look (54/100).
How competitive is the ferritin niche?: 15 brands and 596 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in ferritin?: Top complaints mined from reviews: Iron, Taste-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
When does demand for ferritin peak?: Demand peaks in Apr–Jul; the busiest month runs 2.9× the quietest.
What does it cost to enter the ferritin niche?: Listings span $4.84–$55.65; the average listing price is $27.38 (sweet spot $15–$100). The average incumbent carries 10,136 reviews — the moat a new listing must climb.