Liquid Calcium
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$20.41avg listing price — sweet spot $15–$100
Price range
Great$7.10–$47.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.8%search→purchase rate — share of searches ending in a sale
Brand share
Good62%top-5 brand share — brands hold most of the demand
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Review moat
Good1,135.5avg incumbent reviews — the moat a new listing must climb
Market size
Good$392K$392K/yr · 281K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-1.5%90-day search growth — must beat 0% to launch
Is liquid calcium profitable on Amazon?
According to Flapen's Amazon United States niche tracking, liquid calcium is a $392K/yr Amazon United States market (281K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 62/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
liquid calcium market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 20K–25K
- avg 500–750/product
- Revenue / yr
- $408K–$510K
- units × avg price
- Conversion rate
- 6.8%
- Avg BSR
- #541
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 81%
- Out of stock
- 1.0%
- Avg brand age
- 92 months
- Avg seller age
- 157 days
Competition: brands, sellers & click share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
22 rising
Sellers
597
Top-5 brand share
62%
Top 20: 99%
Top-5 click share
47%
Top 20: 88%
Open market
33%
- BlueBonnet27%
- JIANKYTZ12%
- CHILDLIFE ESSENTIALS7%
- Nature's Way7%
- PAYAOCZ7%
- Integrative Therapeutics5%
liquid calcium demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top liquid calcium search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- liquid calcium92K/yr
- liquid calcium supplement for women31K/yr
- liquid calcium citrate20K/yr
- bluebonnet calcium citrate magnesium and vitamin d314K/yr
- calcium liquid16K/yr
- calcium citrate liquid11K/yr
- liquid calcium magnesium16K/yr
- liquid calcium supplement12K/yr
- blue bonnet calcium magnesium citrate with vitamin d310K/yr
- solgar liquid calcium magnesium citrate with vitamin d37K/yr
Top liquid calcium products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bluebonnet Nutrition Liquid Calcium Citrate Magnesium Vitamin D3 Bone Health Gluten Free Soy Free Milk Free Kosher 16 fl oz 32 Servings Mixed Berry Flavor
BlueBonnet$15.824.5★1,899 rev
(2 Pack) Calcium Citrate with Vitamin D3 Liquid Drops for Women - Bones Teeth Immune Support 1200mg Calcium Citrate Liquid Drops with Vitamin D3 K2 Vegan Sugar-Free 1 Fl Oz
JIANKYTZ$19.444.6★250 rev
Natures Way Calcium & Vitamin D3 with Magnesium Liquid Supplement Calcium & Vitamin D Supplement Supports Bone Health* Fast-Absorbing Liquid Gluten Free Citrus Flavored 16 Fl Oz (Pkg May Vary)
Nature's Way$7.104.6★367 rev
Bluebonnet Nutrition Liquid Calcium Citrate Magnesium Citrate Vitamin D3 Bone Health Gluten Free Soy free milk free kosher 32 Servings Blueberry Flavor 16 Fl Oz (Pack of 1)
BlueBonnet$15.954.5★2,787 rev
(2 Pack) 10 in 1 Magnesium Calcium Zinc Supplement with Vitamin C D3 K2 Glycinate Mag Vegan Liquid Drops Plus L-Theanine Boron Sea Moss Extract Immune Support Bone Sleep & Leg Cramps 1 Fl Oz
PAYAOCZ$19.224.5★950 rev
Newest
by launch date
DLS Calcium Supplements for Women Liquid Calcium Citrate 1200mg with VIT D3 K2 Zinc Magnesium Citrate Drops for Strong Bones Osteoporosis Support Non-GMO Gluten-Free Vegan 60 ml 2 fl oz
D L S$15.6812 rev
Calcium Citrate 1200mg with Vitamin D3 for Women & Men - Liquid Calcium Citrate Supplement with Magnesium Zinc D3 K2 - Bone Teeth Immune Support - Sugar Free Vegan Banana Flavor - 1 Fl Oz (2 Pack)
WOGORGT$20.1559 rev
Calcium Citrate Supplement for Women Calcium 1200 mg with Vitamin D3 Drops
AMENQ hHEALTH$9.8165 rev
Healtionist 2 Packs 2000mg Calcium Citrate with Vitamin D3 K2 Supplements Liquid Drops for Women & Men Magnesium Zinc High Absorption Bone Teeth Muscle & Immune Support 4 Fl oz
Healtionist$26.9491 rev
Calcium 1200mg with Vitamin D3 Liquid Drops Extrat Strength 4-in-1 Calcium Citrate w. Vitamin D3 K2 B12 for Adult & Kids Support Immune Bone Teeth Colon Heart Health Non GMO Gluten Free 30 Servings
JUIWEFKK$9.9187 rev
Trending
90-day click momentumDLS Calcium Supplements for Women Liquid Calcium Citrate 1200mg with VIT D3 K2 Zinc Magnesium Citrate Drops for Strong Bones Osteoporosis Support Non-GMO Gluten-Free Vegan 60 ml 2 fl oz
D L S$15.683.6★
Calcium Citrate 1200mg with Vitamin D3 for Women & Men - Liquid Calcium Citrate Supplement with Magnesium Zinc D3 K2 - Bone Teeth Immune Support - Sugar Free Vegan Banana Flavor - 1 Fl Oz (2 Pack)
WOGORGT$20.154.7★
Bluebonnet Nutrition Calcium Citrate Magnesium Plus Vitamin D3 Caplets Bone Health & Muscle Relaxation Non GMO Gluten Soy & Milk Free Kosher White 90 Count
BlueBonnet$15.474.5★
Natures Way Calcium & Vitamin D3 with Magnesium Liquid Supplement Calcium & Vitamin D Supplement Supports Bone Health* Fast-Absorbing Liquid Gluten Free Citrus Flavored 16 Fl Oz (Pkg May Vary)
Nature's Way$7.104.6★
Bluebonnet Calcium Citrate with Vitamin D3 - Daily Bone Health & Strength Plus Immune Support* 1000mg Calcium Supplement for Women & Men - Non-GMO Gluten-Free - 180 Caplets
BlueBonnet$22.934.4★
What reviews say buyers love and hate about liquid calcium
What buyers praise and complain about, mined from review topics.What buyers love
“pleasant mild taste”
“I love this calcium”
“Excellent product”
“Easy to take”
“Orange flavor is good”
“my vitamin D levels are good now”
“Well, worth it”
“SLEEP is fantastic”
“swallowing big pills”
“Fast absorption”
What buyers complain about
“Did not like taste”
“Calcium Drops”
“it makes it very difficult to get correct dosing”
“A bit pricey”
“The banana flavor is a little too strong for me”
“would be a concern for anyone who has difficulty swallowing”
“in fast not orange sweet at all”
“it really hurt my stomach”
“has no quality control”
“I could not fall asleep for the life of me”
Top return reasons
Common liquid calcium questions
- Is liquid calcium profitable to sell on Amazon United States?
- The niche generates $392K/yr across 32 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -1.5%. Flapen's verdict: Worth a look (62/100).
- How competitive is the liquid calcium niche?
- 22 brands and 597 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in liquid calcium?
- Top complaints mined from reviews: Taste-Overall, Calcium, Dosage. The return rate is 0.0%.
- When does demand for liquid calcium peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the liquid calcium niche?
- Listings span $7.10–$47.80; the average listing price is $20.41 (sweet spot $15–$100). The average incumbent carries 1,136 reviews — the moat a new listing must climb.