Can bearded dragons eat spinach? Bearded dragons can consume spinach occasionally, but it's essential to offer it in moderation. Spinach contains oxalates, which can hinder calcium absorption and potentially lead to health issues. Rotate spinach with a variety of greens like collard or mustard greens for a balanced diet. Consult a veterinarian to tailor the diet to your bearded dragon's specific nutritional needs and ensure their well-being.