Top 7 Best Mineral and Vitamin Supplements for Chickens

Providing your chickens with the right supplements is can help their overall health, egg laying, and well-being. While a balanced diet covers most nutritional needs, certain periods like growth, laying, or recovery require additional support.

This guide highlights the best chicken supplements available, each chosen for their ability to deliver key nutrients such as vitamins, minerals, and omega-3 fatty acids that chickens need to thrive.

Best Chicken Supplements:

• Dine-A-Chook Mega Mineral Chicken Supplement: Best overall mineral supplement
• Liquid Vitamins for Chickens, Birds, and other Poultry: Essential vitamins for health
• Optomega Algae Plus Feed Supplement: Boosts omega-3 levels

#1 - Dine-A-Chook Mega Mineral Chicken Supplement

Best for: Overall mineral supplement

Support your poultry's health with Dine-A-Chook Mega Mineral, available in a 25ml dropper and 1-litre size. As one of the best chicken supplements, this liquid is packed with essential, naturally sourced minerals from seaweed. It includes key ingredients like Calcium for bone strength, Copper for growth and pigmentation, and Selenium for immune defence.

This supplement improves nutrient absorption, boosts immune health, and optimises feed efficiency. Add 2-3 drops per litre of water to provide balanced nutrition during growth, stress, or recovery.

Buy Dine-A-Chook Mega Mineral Chicken Supplement 25ml Dropper | Buy Dine-A-Chook Mega Mineral Chicken Supplement 1 Litre

#2 - Liquid Vitamins for Chickens, Birds, and Other Poultry

Best for: Vitamin boost and egg production

This 50ml Liquid Vitamins supplement covers gaps in your poultry's diet, especially when feed quality is uncertain. It’s one of the top poultry mineral supplements available, including a blend of Vitamins A, D3, E, B1, B2, B6, B12, K, and essential minerals like Zinc, Iron, and Copper. These ingredients support overall health and egg production.

Simply add 1 ml to a litre of drinking water or a kilogram of feed weekly to keep your birds healthy and strong.

Buy Liquid Vitamins for Chickens

#3 - Limestone Grit

Best for: Bone strength and eggshell quality

Mineral Boost 1kg is a high-quality limestone grit enriched with essential vitamins and minerals, making it one of the best chicken supplements for the health and performance of all birds, including poultry. This grit provides nutrients like Calcium, Magnesium, and Vitamins A, D3, and E, which support strong bones and eggshell quality.

Made in Australia under veterinary supervision, it’s ideal for breeding, showing, racing, or stress.

Buy Limestone Grit

#4 - D-3 Liquid Calcium Supplement for Chickens & Poultry

Best for: Calcium support and healthy egg production

D-3 Liquid Calcium is a 250ml supplement with Vitamin D3 that helps with calcium absorption, essential for bone strength and healthy egg production. It’s among the top poultry mineral supplements for chickens on seed-based diets or when their diet lacks sufficient nutrients.

Add 15 ml per litre of drinking water weekly, or up to three times during the breeding season, to maintain a healthy, productive flock.

Buy D-3 Liquid Calcium

#5 - Natural Shell Grit for Chickens

Best for: Digestive support and eggshell strength

Natural Shell Grit is a calcium-rich supplement made from pure sea shells, perfect for supporting both digestion and bone health in chickens. This Australian-made grit is one of the best chicken supplements for helping with eggshell strength and promoting efficient digestion.

Its optimal coarseness allows hens to self-regulate their intake, making it a great addition to your flock's diet. Keep it available at all times to support your flock's overall wellbeing.

Buy Shell Grit

#6 - Optomega Algae Plus Feed Supplement

Best for: Boosting fertility and improving omega-3 levels

Optomega Algae Plus is a 1-litre feed supplement that provides a rich source of DHA, an essential omega-3 fatty acid derived from algae oil (Schizochytrium sp.). As one of the best chicken supplements available, it is ideal for improving fertility, increasing omega-3 levels in eggs, and supporting overall health in chickens and other livestock.

It also supports skin and coat condition and provides an easy-to-digest source of energy. Simply add up to 12ml per kg of feed for poultry, and adjust as needed for other animals.

Buy Optomega Algae Plus Feed Supplement

#7 - Vetafarm Spark Liquid Electrolyte

Best for: Stress recovery and energy boost

Vetafarm Spark Liquid is a 125ml electrolyte supplement designed to support birds during times of stress and extreme temperatures. Among the best chicken supplements for stress recovery, this liquid helps with dehydration recovery and boosts energy levels, especially during racing, showing, or transportation.

The supplement contains essential ingredients like glucose, citrate, sodium, and potassium, providing a quick energy increase. Simply dilute 20 ml per litre of water and use as the sole source of drinking water. Keep this vital supplement in your avian first-aid kit to help your birds recover quickly from stress or health issues.

Buy Vetafarm Spark Liquid Electrolyte

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For a more detailed look at essential minerals and vitamins, check out our other blog onTop 10 Essential Minerals and Vitamins for Chickens.