All 3 make excellent vit and calcium. rapashy has the the highest level of d3 dosage, sticky tongue the lowest. Rep cal has the best sticking vitamins, sticky tongue the worse (the powder is meant for hairy feeders or fed directly to feeders the night before).
Your schedule should be:
calcium without d3 every feeding
calcium with d3 2 mondays a month
vitamin (has d3 in it) 2 mondays a month