You can use either - or. I wouldn't use both. The Nutrobal is a calcium balancer and multivitamin supplement to help growth. It is high in calcium and vitamin D3. It also contains other important vitamins and minerals. The calcium is, well, calcium.
Thank you for the question Steven and Yvonne for the answer, i was just going to start looking around for the name of the Calcium supplement to " dust " the food with that ive heard so much about.