Fuente: WIPO "tomato" The present disclosure relates to the use of ferritin in lieu of transferrin in culture medium and other compositions or products, such as biomass compositions or cultivated meat compositions. Such compositions or products are suitable for human and/or pet consumption. The invented culture medium is not only able to support long-term growth and culture of animal cells ex vivo but, unlike transferrin-containing culture media, is affordable for both pharmaceutical and food production. The present disclosure also encompasses methods and processes in making and/or manufacturing such cell culture media and/or compositions, as well as their use in products for human and/or pet consumption. The products include for example, food products, feed products, nutraceutical products, and pharmaceutical products.