Is oscal profitable to sell on Amazon United States?

The niche generates $2.7M/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.1%. Flapen's verdict: Worth a look (51/100).

How competitive is the oscal niche?

3 brands and 46 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in oscal?

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

What does it cost to enter the oscal niche?

Listings span $8.30–$37.63; the average listing price is $16.04 (sweet spot $15–$100). The average incumbent carries 8,123 reviews — the moat a new listing must climb.

oscal

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible18.8%

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

Market size

Incredible$2.7M

$2.7M/yr · 898K searches

Avg price

Great$16.04

avg listing price — sweet spot $15–$100

Price range

Great$8.30–$37.63

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

Competition

Bad70%

top-5 click share — a locked-up shelf

Review moat

Bad8,123.36

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-13.1%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, oscal is a $2.7M/yr Amazon United States market (898K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

oscal market data

Units sold / yr: 150K–200K; avg 15,000–20,000/product
Revenue / yr: $2.4M–$3.2M; units × avg price
Conversion rate: 18.8%
Avg BSR: #259
Page quality: 0%
Prime: 93%
Sponsored: 57%
Out of stock: 0.0%
Avg brand age: 72 months
Avg seller age: 150 days

Competition & brand share

The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

CITRACAL55%
Caltrate44%
Generic1%
Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 18 weeks — -13.1% search growth over the last 90 days.

Open Trend

Top oscal search terms

caltrate 600 plus d3198K/yr +7.8%20.4% conv.
citracal144K/yr -0.4%15.5% conv.
citracal slow release 1200 plus d3179K/yr -46.3%27.8% conv.
caltrate139K/yr +4.8%11.9% conv.
caltrate bone health advanced 600 d326K/yr -6.2%18.4% conv.
citrical29K/yr -13.3%19.1% conv.
citracal +19K/yr +14.9%15.9% conv.
caltrate 600 d312K/yr +237.9%14.3% conv.
citracal slow release 120022K/yr -39.3%13.2% conv.
citracal calcium supplement40K/yr -41.0%14.1% conv.

All search terms

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

Top sellers

by 90-day click share

Caltrate 600 Plus D3 Calcium and Vitamin D Supplement Tablets Bone Health Supplements for Adults - 200 Count

Caltrate$13.644.7★16,549 rev

Citracal Slow Release- Calcium 1200 mg with Vitamin D3 Magnesium Calcium Supplement Bone Health Support Take Once Daily Caplet 185 Count

CITRACAL$22.964.7★11,455 rev

Citracal Maximum Plus Calcium Supplement - Calcium Citrate with Vitamin D3 Zinc & Essential Minerals for Bone Health Support Ages 12+ 180 Count (Packaging May Vary)

CITRACAL$11.744.7★10,625 rev

Citracal Petites- Calcium Citrate with Vitamin D3 Bone Health Support Calcium Supplement for Ages 12+ 375 Count (Packaging May Vary)

CITRACAL$14.874.7★8,355 rev

Citracal Slow Release- Calcium 1200 mg with Vitamin D3 Magnesium Calcium Supplement Bone Health Support Take Once Daily Caplet 80 Count

CITRACAL$10.604.7★11,920 rev

Newest

by launch date

Citra-Cl Maximum Plus Calcium Citrate + Vitamin D3 Supplement Tablets 280 ct. Supports Bone Health & Strength - 4+ Month Supply + Exclusive Vitamin Guide

Generic$37.6312 rev

4mo ago

Citracal Slow Release- Calcium 1200 mg with Vitamin D3 Magnesium Calcium Supplement Bone Health Support Take Once Daily Caplet 185 Count

CITRACAL$22.9611,455 rev

7y ago

Citracal Petites- Calcium Citrate with Vitamin D3 Bone Health Support Calcium Supplement for Ages 12+ 375 Count (Packaging May Vary)

CITRACAL$14.878,355 rev

7y ago

Caltrate Minis 600 Plus D3 Plus Minerals Calcium and Vitamin D Supplement Tablets Bone Health and Mineral Supplement for Adults - 150 Count

Caltrate$18.017,711 rev

12y ago

Citracal Slow Release- Calcium 1200 mg with Vitamin D3 Magnesium Calcium Supplement Bone Health Support Take Once Daily Caplet 80 Count

CITRACAL$10.6011,920 rev

13y ago

What buyers say about oscal

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

What buyers love

Calcium20%

“Great Calcium Supplement”

Ease Of Chewing/Swallowing14%

“Chewable”

Value For Money10%

“Great value”

Quality-Overall9%

“The quality is consistent”

Taste-Overall7%

“It tastes like a real candy”

Vitamin5%

“Good quality vitamin overall”

Advertised Vs Actual Product4%

“Good product as advertised”

Size-Overall3%

“FINALLY A REASONABLE SIZE”

Joint Pain3%

“O er the years I have always recommend this product to person whenever I hear them complain about joint pain”

Ease Of Use2%

“Easy to use”

What buyers complain about

Size-Overall24%

“Too big”

Ease Of Chewing/Swallowing13%

“hard to chew”

Calcium12%

“Citracal calcium supplement not good”

Taste-Overall7%

“Now, they only have chocolate, and it is NOT a GOOD chocolate”

Dosage5%

“Can split the dose”

Ingredients-Overall3%

“Carcinogenic ingredients”

Side Effects2%

“I can't attest to how well these help because I can't continue to take them”

Value For Money2%

“Expensive now”

Advertised Vs Actual Product2%

“Not the same”

Vegan/Organic1%

“No longer vegetarian”

Top return reasons

Calcium29%

Size-Overall24%

Certifications5%

Advertised Vs Actual Product5%

Dosage5%

Ease Of Chewing/Swallowing5%

Value For Money5%

Nutritional Content5%

Ingredients-Overall5%

Taste-Overall5%

Common questions

Is oscal profitable to sell on Amazon United States?: The niche generates $2.7M/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.1%. Flapen's verdict: Worth a look (51/100).
How competitive is the oscal niche?: 3 brands and 46 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in oscal?: Top complaints mined from reviews: Size-Overall, Ease Of Chewing/Swallowing, Calcium. The return rate is 0.0%.
What does it cost to enter the oscal niche?: Listings span $8.30–$37.63; the average listing price is $16.04 (sweet spot $15–$100). The average incumbent carries 8,123 reviews — the moat a new listing must climb.