Calcium with D3 for Eastern Box turtle

Hello, I have a 25 year old rescue box turtle with signs of metabolic bone disease and stunted growth due to poor husbandry and lack of nutrition. She has both a UVA and UVB light in her indoor enclosure and I give her a serving of Critical Care nutrition powder every day or every other day (directions say to serve every day). The calcium content in that is .60% and she doesn’t always eat it all. She’s also pretty inactive and burrows so she doesn’t get much UV exposure but I try to get her outside for about 30 minutes each day. I also gave her a cuttlefish bone to chew on for added calcium but she has showed no interest in it.
My main concern is making sure she is getting enough calcium and D3 and also not giving her too much D3. I have a calcium with D3 powder that I dust her worms in about twice a week and I want to know if this is enough calcium and D3, not enough, or too much. I’ve read that giving too much D3 can be dangerous so I want to avoid that as well. Thank you!

to much d3 can be unhealthy ……. I doubt the cuttle bone is a necessity , mine have never had one …….. if she's eating , you keep her in correct conditions , feed her a varied diet , include some type of pelleted food , fish or turtle pellets , or both , she should do fine regardless of what happened to her in the past ……. I have a severely deformed c.a. wood turtle that has lived here for the last 15yrs or so and has no health issues ………. keep her humidity and moisture up , make sure she soaks , eastern box turtles love the rain , it's like a light switch …… if possible a safe , proper outdoor enclosure outside is always the more ideal situation ……..

mark1 said:

to much d3 can be unhealthy ……. I doubt the cuttle bone is a necessity , mine have never had one …….. if she's eating , you keep her in correct conditions , feed her a varied diet , include some type of pelleted food , fish or turtle pellets , or both , she should do fine regardless of what happened to her in the past ……. I have a severely deformed c.a. wood turtle that has lived here for the last 15yrs or so and has no health issues ………. keep her humidity and moisture up , make sure she soaks , eastern box turtles love the rain , it's like a light switch …… if possible a safe , proper outdoor enclosure outside is always the more ideal situation ……..

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Ok, thank you!