Is calcium 1200 mg vitamin d3 tablets profitable to sell on Amazon United States?

The niche generates $298K/yr across 11 tracked products. 90-day search growth is -26.4%. Flapen's verdict: Skip it (41/100).

How competitive is the calcium 1200 mg vitamin d3 tablets niche?

5 brands and 63 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in calcium 1200 mg vitamin d3 tablets?

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 calcium 1200 mg vitamin d3 tablets niche?

Listings span $5.32–$30.14; the average listing price is $14.76 (sweet spot $15–$100). The average incumbent carries 16,665 reviews — the moat a new listing must climb.

calcium 1200 mg vitamin d3 tablets

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible18.7%

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

Avg price

Good$14.76

avg listing price — sweet spot $15–$100

Price range

Good$5.32–$30.14

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

Market size

Good$298K

$298K/yr · 108K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad16,665.09

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-26.4%

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

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, calcium 1200 mg vitamin d3 tablets is a $298K/yr Amazon United States market (108K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 41/100.

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

calcium 1200 mg vitamin d3 tablets market data

Units sold / yr: 20K–25K; avg 1,500–2,000/product
Revenue / yr: $295K–$369K; units × avg price
Conversion rate: 18.7%
Avg BSR: #161
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.0%
Avg brand age: 78 months
Avg seller age: 143 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

Nature's Bounty85%
Puritan's Pride7%
Nature's Nutrition4%
Bronson2%
Horbäach2%

Demand

Weekly Amazon search volume, last 21 weeks — -26.4% search growth over the last 90 days.

Open Trend

Top calcium 1200 mg vitamin d3 tablets search terms

natures bounty calcium23K/yr -31.8%16.2% conv.
natures bounty calcium 1200 mg19K/yr -35.8%28.2% conv.
natures bounty calcium 1200 mg with vitamin d311K/yr -11.3%25.5% conv.
calcium 1200 mg vitamin d3 tablets11K/yr -59.6%13.7% conv.
puritans pride calcium5K/yr +80.6%5.2% conv.
absorbable calcium 1200 mg plus vitamin d3 25 mcg5K/yr +127.0%10.4% conv.
once a day calcium4K/yr +97.8%0.1% conv.
absorbable calcium4K/yr +25.3%8.5% conv.
calcium natures bounty5K/yr -35.1%18.6% conv.
natures bounty calcium 1200mg plus 25mcg vitamin d39K/yr -62.0%26.7% conv.

All search terms

Top calcium 1200 mg vitamin d3 tablets 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Natures Bounty Calcium 1200 mg with Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement 120 Ct (2-Pack)

Nature's Bounty$15.364.6★43,244 rev

Natures Bounty Calcium 1200 mg with 1000 IU Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement Gluten Free 2 Softgels per Day 120 ct (Pack of 1)

Nature's Bounty$7.794.6★43,244 rev

Natures Bounty Calcium 1200 mg with Vitamin D3 Bone Health & Immune Support Vitamin D3 1000 IU 220 Softgels

Nature's Bounty$15.404.6★43,244 rev

Natures Bounty Calcium Carbonate & Vitamin D Supports Immune Health & Bone Health 600mg Calcium & 800IU Vitamin D3 250 Tablets

Nature's Bounty$10.744.7★8,402 rev

Puritans Pride Absorbable Calcium 1500 mg Plus Vitamin D3 25mcg 1000 IU Dietary Supplement for Bone Strength Heart Nerve Muscle and Immune Support 120 Coated Caplets

Puritan's Pride$16.494.6★1,464 rev

Newest

by launch date

Bronson Calcium 1200mg Per Serving Plus Vitamin D3 1000 IU High Potency Formula Non-GMO 120 Tablets

Bronson$10.012,183 rev

1y ago

Calcium 1200 mg with Vitamin D3 - Per Serving - Bone Health Supplement - Vitamin D & Calcium Supplements for Women & Men - Bone Strength Support - Natural Calcium Pills - Bottled in USA - 240 Tablets

Nature's Nutrition$16.191,580 rev

3y ago

Horbach Calcium 1200 mg with Vitamin D3 | 240 Softgels | 5000IU Vitamin D3

Horbäach$19.037,196 rev

7y ago

Natures Bounty Absorbable Calcium 1200mg plus Vitamin D3 1000IU 200 count

Nature's Bounty$30.142,468 rev

11y ago

Natures Bounty Calcium 1200 mg with Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement 120 Ct (2-Pack)

Nature's Bounty$15.3643,244 rev

13y ago

What buyers say about calcium 1200 mg vitamin d3 tablets

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

What buyers love

Calcium18%

“Best calcium”

Quality-Overall12%

“Great quality and easy to swallow”

Value For Money12%

“Excellent price”

Vitamin11%

“Seems to be a good quality vitamin”

Ease Of Chewing/Swallowing8%

“not hard to swallow”

Advertised Vs Actual Product6%

“Excellent - as advertised”

Ease Of Use4%

“easy to use”

Efficiency3%

“seem to be doing well”

Dosage3%

“Good quality and correct dosage”

Joint Pain2%

“great for daily bone support”

What buyers complain about

Size-Overall36%

“Very large pills”

Ease Of Chewing/Swallowing17%

“painful to swallow”

Calcium6%

“never received the calcium product”

Vitamin4%

“Its hard to rate a vitamin”

Dosage4%

“Pills are huge”

Smell3%

“Horribly strong odor”

Value For Money1%

“Waste of money”

Hard Feel1%

“But this last batch is hard like it has bones in it or something”

Allergies1%

“I'm allergic and get severe migraine attacks”

Solubility1%

“These pills do not dissolve”

Top return reasons

Size-Overall26%

Ease Of Chewing/Swallowing16%

Calcium14%

Value For Money7%

Advertised Vs Actual Product7%

Dosage5%

Vegan/Organic4%

Color4%