Choose Pistachio Nuts as a healthy treat for all Parrots.  Vitamin A stimulates growth of all cells and tissues.  Vitamin B-1 (Thiamin) helps produce energy from carbohydrates.  Vitamin B-6 helps produce proteins that are used to make up the cells.  B-6 also helps produce important chemicals like insulin, hemoglobin and antibodies to fight infections. Vitamin E promotes healthy cells and tissues and, as an antioxidant, may play a role in preventing heart disease and cancer.  Calcium builds strong bones, prevents egg binding by helping muscles contract (including the heart) and helps sustain normal nerve function.  When only the best will do go for the Gusto!