Healx/ Avix Bird Builder is a mineral & iodine supplement for birds who are on a seed diet. Use Healx/ Avix Bird Builder as a dietary supplement for your bird who only eats seed or table foods & refuses to convert to a formulated diet (such as pellets). Benefits:- Improves the strength & appearance of the bird's feathers - Helps control fatty liver disease & obesity when present - Contributes to a healthy immune system - 52 naturally-occurring trace minerals, including calcium, potassium, sulphur, magnesium, iron, phosphorus, manganese, copper, selenium & zinc