Pet Inoculant™ dog and cat supplement will not react adversely with drugs or health conditions. Ingredients include: Safflower and flax seed oils as sources of essential fatty acids - found to be beneficial in a variety of immune-related diseases, including allergies. They also nourish the skin and coat. Dried whey is derived from milk and provides immunoglobulins, as well as enzymes, nucleotides, complex sugars, and growth factors that promote development and/or healing. Probiotics such as Lactobacillus, Enterococcus and Bacillus species favorably alter the intestinal microflora balance, as mentioned above. They also synthesize numerous digestive enzymes, vitamins, and amino acids.