Our editorial team researched calcium supplements for Cockatiels, a species that requires precise calcium levels for eggshell formation in breeding hens and for preventing metabolic bone disease. Unlike larger parrots, Cockatiels have tiny bones and a high metabolic rate, making the correct calcium-to-phosphorus ratio critical. Too little calcium can cause egg binding or seizures, while too much can damage kidneys. We focused on powders and liquid drops that can be easily added to water or soft foods, since Cockatiels often reject large tablets.

We compared real brands based on ingredient purity, presence of vitamin D3 (which Cockatiels need to absorb calcium since they are not always in direct sunlight), and absence of artificial flavors or sugars. Each pick below is suited for a Cockatiel’s delicate digestive system and small size. Always consult an avian vet before adding any supplement, as individual needs vary with diet and breeding status.