Turtle Conservancy on X: "Our tortoises love when the sun comes out, and basking in the heat is an important part of their days! Turtles & tortoises depend on the UVB rays
Reptile Calcium Vitamin D3 – Ultra Fine Powder — TailsNTeeth
ESF
ProRep Tortoise Food with Calcium and Vitamin D3
Tortoise Diet (Testudo Species)
Loss of appetite in tortoises, calcium and D3 supplement advice - ExoticDirect