Does anyone give their rats vitamins? Is this ok to give them? Daily Essentials3 Active ingredients: Vitamins A, D3, E, K, B12, C. Niacin, Pantothenic acid, Riboflavin, Thiamine, Pyridoxine, Folic acid, Choline Bitatrate and Biotin. Active ingredients continued: Minerals include magnesium, Zinc, sulphur, iron, cobalt, copper, manganese, selenium and iodine. Also contains limiting amino acids.