Contains Vitamin A, which helps prevent swollen eyelids, a common turtle disease caused by Vitamin A deficiency. High content of soluble calcium to ensure healthy and optimal internal and external bone and shell development. Bio-formulated with immune-enhancing substances and vitamins that fortify your Terrapins and Turtle’s immune system for better health, extra vitality and resistance against sickness and viral diseases. Contains OF® Opti-TT a thoroughly tested Carnivorous Metabolic Enhancer that enhances the feed’s digestibility and absorbability by at least 30%. TT-G1 is formulated to ensure that it does not cloud water and reduces undesirable smell in the water.