Hypovitaminosis A, is a Vitamin A deficiency, and has a remarkable number of poor health consequences such as a low immune system and poor reproduction. Vitamin A also aids in the sustaining of the membrane lining, keeping the surface hydrated like eyes and mouth.

                           

•  Vitamins B complex:

Vitamin B2 (better known as riboflavin), enables the body cells to use food energy. Brewer's yeast you can buy that is specifically made for parrots, Brussels sprouts, eggs; cheese, nuts, sunflower seed, millet seeds, green leafy vegetables, cereals, grains; asparagus, broccoli, lemons, bananas, wheat germ and yogurt.

Can be found in a large variety of foods, and is needed for the healthy build of muscle and tissues and act as enzymes that regulate the chemical reactions that keep your birds' bodies growing and functioning.  

                            

• Vitamin C: (better known as Ascorbic acid)

Most important for stressful situations, an anti-inflammatory, antihistamine, antioxidant and anti-stress nutrient. These can be found in Swiss chard, zucchini, guava, kiwi fruit, oranges, juice, potato, broccoli, red peppers, green peppers, tomatoes, asparagus, peas, radishes, papayas, cauliflower, strawberries, cantaloupe, and Brussels sprouts.

 For more information please visit my site: All About The Diet For The African Grey Parrots.