A typical burger has 2.39mg of iron: https://fdc.nal.usda.gov/fdc-app.html#/food-details/742264/nutrients https://fdc.nal.usda.gov/fdc-app.html#/food-details/74

A typical burger has 2.39mg of iron: https://fdc.nal.usda.gov/fdc-app.html#/food-details/742264/nutrients https://fdc.nal.usda.gov/fdc-app.html#/food-details/742264/n... The tolerable upper iron intake for an adult is 45mg: https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/ https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/ So try not to eat more than 19 burgers per day.