Immune Support Plant Cell Supplements for Dog and CatsFlying Basset Organic Plant Cell Supplements are made from 100% organic materials and do not contain any fillers, chemicals, pesticides or fungicides and are clinically tested for effectiveness.The Flying Basset Plant Cell C Complex is the world"s first organic plant cell grown organic Vitamin C complex formulation for dogs and cats. It is a rich full-spectrum supplemental C containing bioflavonoids and supportive minerals for complete absorption and assimilation.A primary function of Vitamin C is maintaining collagen, a protein necessary for the formation of connective tissue in skin, ligaments and bones. Vitamin C also aids in forming red blood cells, fighting bacterial infections, reducing allergy-producing substances, aids in the metabolism of amino acids and protects other vitamins from oxidation. We hear a lot about cats and dogs producing their own Vitamin C, however in our present environment, there is no way they can produce sufficient amounts for good health without getting additional C from their food and supplements.Clinically Tested and Veterinarian Approved!