calcium for chickens
Worth a lookShows low returns (0.0%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Conversion
Incredible19.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$21.79avg listing price — sweet spot $15–$100
Market size
Great$1.3M$1.3M/yr · 310K searches
Price range
Great$7.00–$45.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+41.8%90-day search growth — must beat 0% to launch
Review moat
Bad4,964.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, calcium for chickens is a $1.3M/yr Amazon United States market (310K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 54/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
calcium for chickens market data
- Units sold / yr
- 50K–60K
- avg 8,000–10,000/product
- Revenue / yr
- $1.1M–$1.3M
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 19.0%
- Avg BSR
- #73
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 50%
- Out of stock
- 0.0%
- Avg brand age
- 42 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
9
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Pecking Order81%
- Scratch and Peck Feeds7%
- Manna Pro7%
- Small Pet Select5%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +41.8% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 2.8×
Top calcium for chickens search terms
- oyster shell for chickens153K/yr
- oyster shells for chickens34K/yr
- calcium for chickens25K/yr
- chicken oyster shells17K/yr
- crushed oyster shells for chickens15K/yr
- chicken calcium12K/yr
- crushed oyster shells9K/yr
- chicken calcium for laying hens8K/yr
- calcio para gallinas ponedoras6K/yr
- calcium for chickens laying hens6K/yr
Top calcium for chickens 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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pecking Order Oyster Shell - Calcium Supplement to Support Laying Hens and Strong Egg Shell Development (5 LB) 8 (Packaging May Vary)
Pecking Order$7.004.7★2,741 rev

Scratch and Peck Oyster Shell Supplement - 4 lb Bag - Natural Calcium Boost for Healthy Eggshells in Chickens and Ducks Sustainably Sourced Pure Flaked Oyster Shell
Scratch and Peck Feeds$19.864.8★765 rev

Manna Pro Crushed Oyster Shell for Laying Hens High-Calcium Supplement to Support Strong Eggshells and Healthy Laying Chickens Poultry Oyster Shell 6-Pack of 5 lb Bags
Manna Pro$45.904.7★15,886 rev

Small Pet Select - 5lb 100% Flaked Oyster Shell Calcium Supplement for Chickens and Ducks
Small Pet Select$14.394.4★466 rev
Newest
by launch date
Pecking Order Oyster Shell - Calcium Supplement to Support Laying Hens and Strong Egg Shell Development (5 LB) 8 (Packaging May Vary)
Pecking Order$7.002,741 rev

Small Pet Select - 5lb 100% Flaked Oyster Shell Calcium Supplement for Chickens and Ducks
Small Pet Select$14.39466 rev

Manna Pro Crushed Oyster Shell for Laying Hens High-Calcium Supplement to Support Strong Eggshells and Healthy Laying Chickens Poultry Oyster Shell 6-Pack of 5 lb Bags
Manna Pro$45.9015,886 rev

Scratch and Peck Oyster Shell Supplement - 4 lb Bag - Natural Calcium Boost for Healthy Eggshells in Chickens and Ducks Sustainably Sourced Pure Flaked Oyster Shell
Scratch and Peck Feeds$19.86765 rev
Trending
90-day click momentum
Manna Pro Crushed Oyster Shell for Laying Hens High-Calcium Supplement to Support Strong Eggshells and Healthy Laying Chickens Poultry Oyster Shell 6-Pack of 5 lb Bags
Manna Pro$45.904.7★

Scratch and Peck Oyster Shell Supplement - 4 lb Bag - Natural Calcium Boost for Healthy Eggshells in Chickens and Ducks Sustainably Sourced Pure Flaked Oyster Shell
Scratch and Peck Feeds$19.864.8★

Pecking Order Oyster Shell - Calcium Supplement to Support Laying Hens and Strong Egg Shell Development (5 LB) 8 (Packaging May Vary)
Pecking Order$7.004.7★

Small Pet Select - 5lb 100% Flaked Oyster Shell Calcium Supplement for Chickens and Ducks
Small Pet Select$14.394.4★
What buyers say about calcium for chickens
What buyers praise and complain about, mined from review topics.What buyers love
“A+ quality”
“worth every penny”
“Just what was needed”
“the size is ideal”
“Great product, Hens love it”
“Easy for them to eat”
“Readily eaten”
“The product itself is simple and effective”
“Hens Love It”
“It DID NOT BREAK”
What buyers complain about
“pieces too big”
“Smelly”
“Cheaper at the feed store”
“they were so hard the chickens wouldnt touch them”
“Received an open used product”
“spilled everywhere”
“Chickens hate it”
“highly doubt heat treated”
“not the best as it used to be”
“False description by seller”
Top return reasons
Common questions
- Is calcium for chickens profitable to sell on Amazon United States?
- The niche generates $1.3M/yr across 4 tracked products. 90-day search growth is +41.8%. Flapen's verdict: Worth a look (54/100).
- How competitive is the calcium for chickens niche?
- 4 brands and 9 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in calcium for chickens?
- Top complaints mined from reviews: Size-Overall, Smell, Value For Money. The return rate is 0.0%.
- When does demand for calcium for chickens peak?
- Demand peaks in Apr–May–Jun; the busiest month runs 2.8× the quietest.
- What does it cost to enter the calcium for chickens niche?
- Listings span $7.00–$45.90; the average listing price is $21.79 (sweet spot $15–$100). The average incumbent carries 4,965 reviews — the moat a new listing must climb.