calcium
Skip itA small market ($7K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$21.98avg listing price — sweet spot $15–$100
Price range
Great$9.89–$35.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Growth
Okay+13.0%90-day search growth — must beat 0% to launch
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad11,306.19avg incumbent reviews — the moat a new listing must climb
Market size
Bad$7K$7K/yr · 6K searches
According to Flapen's Amazon Singapore niche tracking, calcium is a $7K/yr Amazon Singapore market (6K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jul–Nov. Verdict: Skip it — 48/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
calcium market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $5K–$11K
- units × avg price
- Conversion rate
- 5.0%
- Avg BSR
- #123
- Page quality
- 0%
- Prime
- 69%
- Sponsored
- 19%
- Out of stock
- 7.5%
- Avg brand age
- 114 months
- Avg seller age
- 0 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
15
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
50%
Top 20: 100%
Open market
17%
- Nature's Bounty27%
- Caltrate19%
- Nature Made13%
- Nano Singapore12%
- 21ST CENTURY6%
- Now Foods6%
- Open — no brand owns it (4 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +13.0% search growth over the last 90 days.Peak months: Jul, Nov · busiest ÷ quietest = 1.5×
Top calcium 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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Natures Bounty Calcium & Vitamin D by Immune Support & Bone Health 1200mg Calcium & 1000IU Vitamin D3 120 Softgels (2-Pack)
Nature's Bounty$24.264.6★23,269 rev
Caltrate 600+D3 Calcium and Vitamin D Supplement Tablet for maximum calcium absorption 600 mg -200 Count (Pack of 1)
Caltrate$23.864.7★18,770 rev
Nature Made Calcium 600 mg with Vitamin D3 for Immune Support Tablets 60 Count helps support Bone Strength
Nature Made$15.344.7★26,187 rev
Calcium Complex 1200mg with Vitamin D - Max Calcium Supplement Vitamin D3 for Bone Health
Nano Singapore$13.934.3★13 rev
Calcium Carbonate & Vitamin D by Natures Bounty Supports Immune Health & Bone Health 600mg Calcium & 800IU Vitamin D3 250 Tablets
Nature's Bounty$18.504.7★8,098 rev
Newest
by launch date
Calcium Magnesium Zinc + D3 1565mg Time-Release Formula | All-in-One Bone Muscle & Immunity Booster 120 CT
Nano Singapore$13.942 rev
Calcium Complex 1200mg with Vitamin D - Max Calcium Supplement Vitamin D3 for Bone Health
Nano Singapore$13.9313 rev
Citracal Slow Release 1200 1200 mg Calcium Citrate and Calcium Carbonate Blend with 1000 IU Vitamin D3 Bone Health Supplement for Adults Once Daily Caplets 185 Count
CITRACAL$28.6511,051 rev
Citracal Petites Highly Soluble Easily Digested 400 mg Calcium Citrate with 500 IU Vitamin D3 Bone Health Supplement for Adults Relatively Small Easy-to-Swallow Caplets 375 Count
CITRACAL$24.2915,348 rev
Calcium with Vitamin D3 | 1200 mg | 240 Softgels | 5000 IU Vitamin D3 | Absorbable Calcium Supplement | Non-GMO Gluten Free Calcium Supplement | by Horbaach
Horbäach$26.786,881 rev
Trending
90-day click momentumNature Made Calcium 600 mg with Vitamin D3 for Immune Support Tablets 60 Count helps support Bone Strength
Nature Made$15.344.7★
21st Century Calcium Supplement 600 mg 400 Count
21ST CENTURY$19.224.7★
Caltrate 600 Plus D3 Plus Minerals Calcium and Vitamin D Supplement Tablets Bone Health and Mineral Supplement for Adults - 165 Count
Caltrate$26.754.7★
Calcium Magnesium Zinc + D3 1565mg Time-Release Formula | All-in-One Bone Muscle & Immunity Booster 120 CT
Nano Singapore$13.943.6★
Natures Bounty Calcium & Vitamin D by Immune Support & Bone Health 1200mg Calcium & 1000IU Vitamin D3 120 Softgels (2-Pack)
Nature's Bounty$24.264.6★
Common questions
- Is calcium profitable to sell on Amazon Singapore?
- The niche generates $7K/yr across 16 tracked products. 90-day search growth is +13.0%. Flapen's verdict: Skip it (48/100).
- How competitive is the calcium niche?
- 10 brands and 15 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 83% of demand.
- When does demand for calcium peak?
- Demand peaks in Jul–Nov; the busiest month runs 1.5× the quietest.
- What does it cost to enter the calcium niche?
- Listings span $9.89–$35.78; the average listing price is $21.98 (sweet spot $15–$100). The average incumbent carries 11,306 reviews — the moat a new listing must climb.