Thats what i do + sometimes bee pollen too bc i read its good for immunityThere are many knowledgeable owners here, some that have also raised home bred babies and the majority use calcium with D3. It's just like any supplement, you don't over use them. Some people use the cal. w/D3 2X a week on one meal, very lightly. They also use plain calcium on 2 other days, also very lightly. So the insects you are feeding your beardie should not look like a powdered donut, just a very light coating.