Calcium Carbonate 600 Mg
FailShoppers spend an estimated $39K a year here, so Calcium Carbonate 600 Mg is a Fail.
- Flapen Score
- 45 / 100Ranks 9,665 of 14,768 Health & Household niches · −4 vs the category median of 4945
- Market size
- $39K/yr36K searches / yr
- 90-day growth
- -3.8%search demand this quarter
- Competition
- 57%top-5 click share · 13 brands · 150 sellers
Flapen Score
Calcium Carbonate 600 Mg against its category
The dotted line is the Health & Household average. Past it, Calcium Carbonate 600 Mg is stronger. Inside it, weaker.
Market
The Calcium Carbonate 600 Mg market on Amazon at a glance
Shoppers on Amazon United States searched for Calcium Carbonate 600 Mg 36K times last year and spent an estimated $39K. The top 5 brands take 74% of clicks. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 8.6% of those searches ended in a purchase.
Shoppers searched for this 36K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.6% of those searches ended in a purchase. Searches in the last 90 days moved -3.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $39K a year.
- Searches, last 12 months
- 36K
- Growth, 90 days vs prior 90
- -3.8%
- Conversion, latest week
- 8.6%
- Market size, estimated
- $39Ka year
- Top search term
- calcium carbonate 500mg19K searches a year
02 · Price
A sale here is worth $12.93.
Listings sell for $12.93 on average, from $6.55 to $27.11. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $12.93 that is $1K to $3K a year per listing.
- Average price
- $12.93under the $15 to $100 sweet spot
- Price range
- $6.55–$27.11
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $1K–$3K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #291 within Digestion & Nausea. It carries 5,370 reviews at 4.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 100%
- Out of stock, average day
- 0.3%
- Average rank
- #291in Digestion & Nausea
- Average rating
- 4.63 starsAmazon United States average 4.42 stars
- Average reviews
- 5,370per listing
- Listings tracked
- 20
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 103 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 103 months
Products
Top Calcium Carbonate 600 Mg products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
BulkSupplements.com Calcium Carbonate Capsules - Calcium Carbonate Supplement Calcium Carbonate 500mg - Calcium Supplement Gluten Free 2 Capsules per Serving 360 Capsules (Pack of 1)
- Price
- $17.68
- Rating
- 4.6/5
- Reviews
- 396
- Age
- 3y ago

Pure Original Ingredients Calcium Carbonate (100 Capsules) Always Pure No Additives Or Fillers Lab Verified
- Price
- $10.23
- Rating
- 4.6/5
- Reviews
- 300
- Age
- 7y ago

Natures Blend Pure Calcium Carbonate 600 mg 100 Tabs (1684)
- Price
- $9.40
- Rating
- 4.6/5
- Reviews
- 1,083
- Age
- 15y ago

MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)
- Price
- $10.01
- Rating
- 4.6/5
- Reviews
- 881
- Age
- 11y ago

Natures Bounty Calcium Plus 400 IU Vitamin D3 Immune Support & Bone Health 300 Tablets
- Price
- $15.89
- Rating
- 4.7/5
- Reviews
- 7,158
- Age
- 17y ago
Trending
estimated 90-day click momentum
Natures Bounty Calcium 1200 mg with Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement 120 Ct (2-Pack)
- Price
- $15.32
- Rating
- 4.6/5
- Reviews
- 43,167
- Age
- 13y ago

Berkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count
- Price
- $9.96
- Rating
- 4.7/5
- Reviews
- 1,381
- Age
- 5mo ago

Nature Made Calcium 600 mg with Vitamin D3 Dietary Supplement for Bone Support 220 Tablets
- Price
- $13.68
- Rating
- 4.7/5
- Reviews
- 27,247
- Age
- 17y ago

Natures Bounty Calcium Plus 400 IU Vitamin D3 Immune Support & Bone Health 300 Tablets
- Price
- $15.89
- Rating
- 4.7/5
- Reviews
- 7,158
- Age
- 17y ago

MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)
- Price
- $10.01
- Rating
- 4.6/5
- Reviews
- 881
- Age
- 11y ago
Newest
by launch date
Berkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count
- Price
- $9.96
- Rating
- 4.7/5
- Reviews
- 1,381
- Age
- 5mo ago

BulkSupplements.com Calcium Carbonate Capsules - Calcium Carbonate Supplement Calcium Carbonate 500mg - Calcium Supplement Gluten Free 2 Capsules per Serving 360 Capsules (Pack of 1)
- Price
- $17.68
- Rating
- 4.6/5
- Reviews
- 396
- Age
- 3y ago

Rugby Regular Strength Antacid Chewable Tablets - Made with 500 mg of Calcium Carbonate - Peppermint Flavor - 150 Count
- Price
- $6.55
- Rating
- 4.6/5
- Reviews
- 1,432
- Age
- 5y ago

Pure Original Ingredients Calcium Carbonate No Magnesium Or Rice Fillers Always Pure Lab Verified
- Price
- $27.11
- Rating
- 4.6/5
- Reviews
- 253
- Age
- 6y ago

Pure Original Ingredients Calcium Carbonate (100 Capsules) Always Pure No Additives Or Fillers Lab Verified
- Price
- $10.23
- Rating
- 4.6/5
- Reviews
- 300
- Age
- 7y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 falling
Sellers
150
Est. top-5 brand share
74%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 100%
Open market
20%
- BulkSupplements29%
- MAJOR13%
- Nature's Bounty11%
- PURE ORIGINAL INGREDIENTS11%
- Nature's Blend10%
- RUGBY LABORATORIES5%
Demand
Calcium Carbonate 600 Mg search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5× · 11 of 12 months tracked
Search terms
Top Calcium Carbonate 600 Mg search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- calcium carbonate 500mg19K/yr
- calcium carbonate tablets11K/yr
- calcium carbonate 1000mg5K/yr
Reviews and returns
What reviews say buyers love and hate about Calcium Carbonate 600 Mg
We read the reviews and the return reasons for every product selling here.
“Smaller than expected”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Calcium Carbonate 600 Mg questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









