Products such as Tropical Bits and Red Apple Jungle have been used successfully over a long period of time for species such as sturnids and ramphstids, that are susceptible to iron storage disease.
— Species Survival Plan, Husbandry Guidelines for the Bali Mynah
Our Rhinoceros Iguana is perhaps one of the healthiest iguanas you've ever seen in captivity (and same goes with our Utila Island Spiny Tail Iguana) and have been raised on your leaf eater and reptile diet almost exclusively. I wouldn't trust our animals to anything else.
— Rob Carmichael, Curator
In his article on the care of amphibians and reptiles in academic institutions (published by the National Academies), Pough highlights the unique nature of Marion’s specially sized reptile diets with the following recommendation:
Marion Zoological makes an extruded diet of very small diameter for herbivorous reptiles.
— F. Harvey Pough, Professor of Ecology & Systematics, Cornell University
My lemur is 7½ years old and has always been fed Marion Leaf Eater food. He has never been sick and his fur is thick and shines.
— Julie D'hondt