calcium tablets
Worth a lookShows low returns (0.1%), but soft demand (-19.6% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great10.8%search→purchase rate — share of searches ending in a sale
Brand share
Good67%top-5 brand share — brands hold most of the demand
Market size
Good£421K£421K/yr · 451K searches
Review moat
Okay2,177.1avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Avg price
Bad£8.68avg listing price — sweet spot $15–$100
Price range
Bad£2.50–£17.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-19.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, calcium tablets is a £421K/yr Amazon United Kingdom market (451K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
calcium tablets market data
- Units sold / yr
- 40K–50K
- avg 1,500–2,000/product
- Revenue / yr
- £347K–£434K
- units × avg price
- Conversion rate
- 10.8%
- Avg BSR
- #47
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.6%
- Avg brand age
- 67 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
91
Top-5 brand share
67%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
29%
- Horbäach23%
- Vitabiotics Ultra16%
- WeightWorld13%
- NEW LEAF PRODUCTS9%
- Solgar6%
- Vitamaze - amazing life4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top calcium tablets search terms
- calcium tablets243K/yr
- calcium114K/yr
- calcium supplement41K/yr
- calcium supplements13K/yr
- calcium tablets for women9K/yr
- nutrition geeks calcium8K/yr
- calcium carbonate tablets6K/yr
- calcium supplements for women5K/yr
- calcium 1000mg5K/yr
- calcium tablets 1000mg4K/yr
Top calcium 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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Calcium Tablets 800mg | High Strength Calcium Carbonate Supplement for Men & Women | 180 Vegan Tablets | Horbaach
Horbäach£7.324.5★294 rev
Calcium and Vitamin D Tablets Vitabiotics Ultra (Pack of 1)
Vitabiotics Ultra£2.504.5★3,038 rev
Calcium Magnesium Zinc & Vitamin D Tablets | 1+ Year Supply | 400 Tablets
WeightWorld£12.924.5★13,105 rev
Calcium and Vitamin D3 Tablets - Calcium Supplement - 120 High Strength Tablets with Vitamin D3 - Made in The UK by New Leaf Bone & Muscle Health
NEW LEAF PRODUCTS£8.364.4★250 rev
Calcium Tablets High Strength -180 Tablets for 3 Months - 2028mg Calcium Carbonate per Daily Dose -Organic and Vegan Food Supplement Without Additives
Vitamaze - amazing life£11.224.5★3,822 rev
Newest
by launch date
Calcium with Magnesium Zinc & Vitamin D - 90 Tablets for 3 Months - Bone Muscle & Immune Support - Energy & Metabolism Boost - Gluten & Lactose Free - High Strength Supplement - Vitavea
Vitavea£8.8170 rev
Calcium Tablets 800mg | High Strength Calcium Carbonate Supplement for Men & Women | 180 Vegan Tablets | Horbaach
Horbäach£7.32294 rev
Calcium and Vitamin D3 Tablets - Calcium Supplement - 120 High Strength Tablets with Vitamin D3 - Made in The UK by New Leaf Bone & Muscle Health
NEW LEAF PRODUCTS£8.36250 rev
Solaray Calcium Citrate with Vitamin D3 90 Capsules Bone & Joint Support
SOLARAY£7.45123 rev
Calcium Tablets with Magnesium Zinc and Vitamin D | 100% Vegan | High Strength Complex | 120 Count | Supplement for Women & Men | by Horbaach
Horbäach£5.56161 rev
Trending
90-day click momentum
Solgar Calcium Magnesium Plus Zinc Tablets - Pack of 100 - Healthy Bones Teeth & Muscles - Supports Health of Nervous System - Vegan
Solgar£6.784.6★
Natures Aid Calcium Magnesium Zinc - Supports Bones Teeth Muscle Function & Immunity - High Potency Natural Immune Health Supplement - Vegan Non-GMO Gluten-Free - 90 Tablets
Natures Aid£5.824.5★
Osteocare Original Bone Health Formula 0.187 kg
Osteocare£6.674.7★
Calcium with Magnesium Zinc & Vitamin D - 90 Tablets for 3 Months - Bone Muscle & Immune Support - Energy & Metabolism Boost - Gluten & Lactose Free - High Strength Supplement - Vitavea
Vitavea£8.814.2★
ECO-VITS Calcium Citrate 1000mg 60 Tablets Highly Absorbable Form for Strong Bones & Teeth
ECO-VITS£7.774.5★
What buyers say about calcium tablets
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality tablets”
“Good value for money”
“they are chalky so easy enough to break in half or chew with a drink”
“Chewable calcium”
“The product is as advertised”
“Its easy to use, well made, and worth the price”
“vitamin D3 works really well”
“Very Effective”
“I'm sleeping better”
“Good size”
What buyers complain about
“Size big”
“I found them too large to swallow”
“doesnt have these effects”
“thinking I was getting my daily calcium needs as I cannot eat any dairy at all”
“Dosages are too small for each supplement”
“I felt absolutely no different after taking these vitamin D tablets”
“They are the largest tablet I have even taken and no, you cannot break them to take them, it makes them even harder to take for some reason”
“during which I experienced occasional stomach discomfort”
“The magnesium isn't the best type”
“which made me question its quality from the start”
Common questions
- Is calcium tablets profitable to sell on Amazon United Kingdom?
- The niche generates £421K/yr across 20 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -19.6%. Flapen's verdict: Worth a look (50/100).
- How competitive is the calcium tablets niche?
- 17 brands and 91 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in calcium tablets?
- Top complaints mined from reviews: Size-Overall, Ease Of Chewing/Swallowing, Side Effects. The return rate is 0.1%.
- When does demand for calcium tablets peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the calcium tablets niche?
- Listings span £2.50–£17.58; the average listing price is £8.68 (sweet spot $15–$100). The average incumbent carries 2,177 reviews — the moat a new listing must climb.