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Oyster Shell for Egg-Laying Hens, Calcium Booster, 4 lbs Bag | Strengthens Eggshells & Bones; High-Calcium Supplement for Laying Hens; 100% Natural Limestone; USA Sourced; Non-GMO

Product ID: 293647277

Details

Age Range (Description)
All Life
Brand
Mile Four
Flavor
Unflavored
Item Form
Granule
Specific Uses For Product
Bone Health

🐔Ideal for hens 20+ weeks, supports bone & egg health

🥚94-97% calcium carbonate for stronger eggshells

🇺🇸100% USA-mined, additive-free natural oyster shell

€ 79.77

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🥚 Elevate Your Egg Game with Pure, Powerful Calcium!

TRUSTED BY THOUSANDS - Join 5,000+ backyard flock owners who rely on Mile Four for healthier hens and premium eggs.
SELF REGULATED FEEDING - Free-choice feeding lets your hens naturally control calcium intake—no overfeeding, no waste.
PURE PROUDLY AMERICAN - 100% natural, non-GMO oyster shell sourced exclusively from USA mines—no fillers, no chemicals.
OPTIMIZED FOR MATURE LAYERS - Formulated specifically for hens 20+ weeks to sustain peak egg production and skeletal strength.
STRONGER CRACK RESISTANT EGGS - Boost eggshell durability with 94-97% pure calcium carbonate—fewer breaks, more confidence.

Mile Four Oyster Shell is a 4-pound bag of 100% natural, USA-mined crushed oyster shell designed to replenish calcium in laying hens aged 20 weeks and older. With 94-97% calcium carbonate content, it strengthens eggshells, reduces breakage, and supports bone health. Its free-choice feeding approach allows hens to self-regulate intake, ensuring optimal nutrition without additives or fillers. Trusted by thousands of backyard flock owners, this additive-free supplement promotes consistent, high-quality egg production and long-term flock vitality.

Specifications

ASIN	B07SG6ZGFB
ASIN	B07SG6ZGFB
Additional Features	Natural Product Environmentally Friendly, organic
Age Range Description	All Life Stages
Animal Food Diet Type	Raw
Animal Food Ingredient Claim	Additive-Free
Best Sellers Rank	#15,024 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #11 in Poultry Feed
Brand Name	Mile Four
Breed Recommendation	All Breed Sizes
Container Type	Bag
Customer Reviews	4.5 4.5 out of 5 stars (223)
Date First Available	May 25, 2022
Flavor	Unflavored
Global Trade Identification Number	00737488079470
Item Form	Granule
Item Weight	4 pounds
Manufacturer	Mile Four
Manufacturer	Mile Four
Manufacturer Part Number	oyster_shell_4
Number of Items	1
Occasion	Birthday
Package Size Name	4 Pound
Pet Type	Bird
Product Benefits	Free-choice, self-regulating feeding, Natural, minimally processed ingredient, Stronger, more durable eggshells, Supports consistent, higher-quality egg production over time, Supports overall bone and skeletal health
Product Dimensions	7 x 3.5 x 10 inches; 4 pounds
Recommended Uses For Product	Calcium supplement for laying chickens, Eggshell strengthener, Chicken health booster
Special Ingredients	Calcium Carbonate
Specific Uses For Product	Bone Health, Growth, Healthy Egg shells
Target Species	Chicken
UPC	737488079470
Unit Count	64 Ounce

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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