Tortoise table lists as a do not feed due to oxalates and saponins. It seems that many people feed plants with oxalates and there seems to be doubt as to the harmfulness of saponins to tortoises. According to wikipedia some saponins can aid in animal digestion and enhance nutrient absorption. The genus Celosia is also noted by wikipedia to be a nutritious foodstuff and is commonly grown as a vegetable throughout much of Africa. Has anyone used this as a mix-it-up type occasional option?
I also found this article touting the micronutrients of Celosia species. https://www.aimspress.com/fileOther/PDF/agriculture/agrfood-04-02-458.pdf
I also found this article touting the micronutrients of Celosia species. https://www.aimspress.com/fileOther/PDF/agriculture/agrfood-04-02-458.pdf