Repashy Superfoods Calcium Plus is an all-in-one Calcium Supplement with added Vitamins, Trace Minerals, and Carotenoids for Species with Low Vitamin D Requirements that Receive Moderate UVB Radiation from Natural or Artificial Sunlight. DIRECTIONS: Use with every insect feeding. Best applied by placing insects in a plastic bag or container with Calcium Plus and shaking to lightly coat insects. Feed insects to your animals shortly thereafter.