Green iguanas are entirely herbivorous and they require a diet that is composed of calcium rich greens, vegetables and fruits. The calcium rich greens diet can include mustard greens, collard greens, endive, dandelion greens and watercress.
1 Additional Answer
A Green Iguana needs proper diet and light to stay healthy. Their diet should consist of vegetables that are leafy and dark green. Some greens for them are turnip, mustard, collard, clover, dandelions, cabbage, watercress and bok choy.