---
title: "Plant Based Calcium — $55K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/plant-based-calcium"
last_updated: "2026-08-06T02:41:53.982Z"
locale: en
meta:
description: "Niche score 56/100 · $55K/yr market · 36K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $55K/yr market · 36K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Plant Based Calcium — $55K/yr Amazon US Niche (2026) - Flapen"
---
# **plant based calcium**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 14Growth 72Conversion 62Competition 49Returns 100Price range 87Avg price 95Brand share 58Review moat 27Quality gap 32
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$28.10**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.44–$54.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+54.5%**
90-day search growth — must beat 0% to launch
**Conversion**
**Good****5.4%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,752**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$55K**
$55K/yr · 36K searches
According to Flapen's Amazon United States niche tracking, plant based calcium is a $55K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 56/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plant based calcium market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$42K–$56K**
- units × avg price
- **Conversion rate**
- **5.4%**
- **Avg BSR**
- **#304**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **2.8%**
- **Avg brand age**
- **87 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▼falling
**Sellers**
**615**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 99%
**Open market**
**25%**
- PlantFusion23% - New Chapter21% - NATURELO13% - Garden of Life8% - Bonide5% - Bloom City4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +54.5% search growth over the last 90 days.
1K750Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/plant-based-calcium/trend)
## **Top plant based calcium search terms**
- **plant based calcium**19K/yr+36.2%4.4% conv. - **plant calcium**12K/yr+80.0%5.5% conv. - **plant based calcium supplements**5K/yr+77.5%0.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/plant-based-calcium/search-terms)
## **Top plant based 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.
0%10%$5K20%$11K30%$16K40%$22K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**PlantFusion Vegan Calcium Premium Plant Based Calcium (1000mg) Sourced from Icelandic Red Algae Plus Magnesium D3 K2 and Boron 90 Vegan Tablets**PlantFusion**$23.94**4.6★1,696 rev](https://www.amazon.com/dp/B07VP749CF) [2**NATURELO Calcium Supplement - with Vitamin C Vitamin D3 K2 and Calcium Magnesium Zinc for Bone Strength with Calcium 600mg - Plant-Based 120 Vegetarian Capsules Non-GMO Soy & Gluten-Free**NATURELO**$27.24**4.6★11,105 rev](https://www.amazon.com/dp/B0716RWHX4) [3**New Chapter Bone Strength Take Care - Bone & Heart Health Supplement - Clinically Studied Plant Calcium from Red Marine Algae - Vegan Organic Gluten Free & Kosher - 120 Slim Tablets**New Chapter**$36.19**4.6★8,776 rev](https://www.amazon.com/dp/B01MZ6YI2A) [4**Bonide Rot-Stop Tomato Blossom End Rot 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors**Bonide**$10.44**4.5★5,183 rev](https://www.amazon.com/dp/B000OOAL6U) [5**New Chapter Calcium Supplement - Bone Strength Tiny Tabs Plant-Based USDA Organic Calcium with Magnesium Vitamin D3+K2 for Bone Health & Joint Mobility Heart Support 905 mg dose - 240 Tiny Tabs**New Chapter**$38.89**4.6★2,162 rev](https://www.amazon.com/dp/B005N7JFS8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Organics Ocean Better Calcium - Organic Red Algae Calcium with Vitamin D3 and K2 Supplements - Supports Bone Structure Joint Comfort & Encourages Healthy Aging - Plant-Based Non-GMO - 1 Pack**Organics Ocean**$34.84**112 rev7mo ago](https://www.amazon.com/dp/B0G7BSTPTR) [**Plant-Based Calcium 500mg (Aquamin) Vegan Calcium Magnesium Zinc D3 with Vitamin K2 & Organic Turmeric Enhanced Bone and Muscle Health & Strength Immune Support for Women & Men - 90 Count**SUPPLEMENTS STUDIO**$21.51**367 rev1y ago](https://www.amazon.com/dp/B0D4NHT4NZ) [**6-in-1 Plant Based Calcium Supplements for Women Men- Calcium 600mg w/ D3 K2 5000 IU Vitamin Liposomal & Algae Ca-lcium Magnesium Zinc + Vegan Vitamin D 5000 IU + K2 MK7 + Methyl B12 for Bone 1 Pack**LILICARE**$29.31**306 rev1y ago](https://www.amazon.com/dp/B0DJR62T9L) [**Pure Nutrition Cal D - Plant Based Calcium with VIT D3 K2 & Magnesium | 120 Tabs | 500mg Vegan Calcium per Serving | Algae Calcium Supplement for Bone Health**PURE NUTRITION NATURAL TREASURES**$19.01**27 rev1y ago](https://www.amazon.com/dp/B0DFVDFG44) [**Calcium for Plants Liquid Calcium Supplement for Stronger Growth Healthier New Leaves & Reduced Deficiencies 8 oz**TPS NUTRIENTS**$11.77**164 rev2y ago](https://www.amazon.com/dp/B0D4JGKYCC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Organics Ocean Better Calcium - Organic Red Algae Calcium with Vitamin D3 and K2 Supplements - Supports Bone Structure Joint Comfort & Encourages Healthy Aging - Plant-Based Non-GMO - 1 Pack**Organics Ocean**$34.84**4.7★**▲ 141%**](https://www.amazon.com/dp/B0G7BSTPTR) [**Bonide Rot-Stop Tomato Blossom End Rot 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors**Bonide**$10.44**4.5★**▲ 136%**](https://www.amazon.com/dp/B000OOAL6U) [**Calcium for Plants Liquid Calcium Supplement for Stronger Growth Healthier New Leaves & Reduced Deficiencies 8 oz**TPS NUTRIENTS**$11.77**4.5★**▲ 123%**](https://www.amazon.com/dp/B0D4JGKYCC) [**Bloom City Professional Grade Ultra Pure Cal-Mag Fertilizer (32 oz)**Bloom City**$17.56**4.7★**▲ 69%**](https://www.amazon.com/dp/B073ZNQWCM) [**New Chapter Calcium Supplement - Bone Strength Tiny Tabs Plant-Based USDA Organic Calcium with Magnesium Vitamin D3+K2 for Bone Health & Joint Mobility Heart Support 905 mg dose - 240 Tiny Tabs**New Chapter**$38.89**4.6★**▲ 57%**](https://www.amazon.com/dp/B005N7JFS8)
**~~View all trending →~~**
## **What buyers say about plant based calcium**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Calcium**18%
*“Great calcium”*
**Quality-Overall**15%
*“Excellent product”*
**Vitamin**8%
*“High quality vitamins”*
**Ease Of Chewing/Swallowing**6%
*“Easier to Swallow”*
**Plant Growth**5%
*“I have a healthy garden”*
**Advertised Vs Actual Product**4%
*“Accurate description”*
**Ease Of Use**3%
*“Easy to use”*
**Value For Money**3%
*“Good value”*
**Joint Pain**3%
*“improve my overall bone health”*
**Acid Regulator/Stomach Ache Relief**3%
*“No stomach problems”*
### **What buyers complain about **
**Calcium**9%
*“Broken calcium tablets”*
**Dosage**6%
*“Shortage of pills in every bottle”*
**Vitamin**5%
*“Bad reaction to the 'vitamin' I was looking forward to positive results”*
**Acid Regulator/Stomach Ache Relief**5%
*“Hard on the stomach”*
**Value For Money**5%
*“too expensive”*
**Side Effects**5%
*“This was harsh on my stomach”*
**Ease Of Chewing/Swallowing**4%
*“I do not like swallowing capsules”*
**Size-Overall**3%
*“Capsules are smaller”*
**Joint Pain**3%
*“I don't think it is helping me with joints”*
**Allergies**2%
*“May cause allergic reaction”*
### **Top return reasons **
**Leak-Proof**23%
**Value For Money**20%
**Advertised Vs Actual Product**14%
**Functionality-Overall**5%
**Defective Material/Parts**5%
**Instructions/User Manual/Troubleshooting**4%
**Ingredients-Overall**4%
**Plant Growth**4%
**Smell**4%
**Ease Of Use**3%
## **Common questions**
- **Is plant based calcium profitable to sell on Amazon United States?**
- The niche generates $55K/yr across 21 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +54.5%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the plant based calcium niche?**
- 16 brands and 615 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in plant based calcium?**
- Top complaints mined from reviews: Calcium, Dosage, Vitamin. The return rate is 0.0%.
- **When does demand for plant based calcium peak?**
- Demand peaks in Jun–Jul; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the plant based calcium niche?**
- Listings span $10.44–$54.29; the average listing price is $28.10 (sweet spot $15–$100). The average incumbent carries 3,752 reviews — the moat a new listing must climb.
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