>>715490856
It's really not normal, chalk isn't bioavailable, it's made of calcium carbonate but it's not food. For a person I'd suggest yogurt or something. But Susie probably needs a lot to keep her scales and claws healthy, she should eat whole sardines with the bones, maybe whole raw chicken wings with the bones if she can handle it (cooked chicken bones splinter, too dangerous for her throat), and cook eggshell powder into her beef stew or chicken soup.