If you can't get a UVA/B bulb for him, then you will have to be sure he gets some natural sunlight. Put him outside for 15 min. a day could make a big difference! Just make sure he can get out of the sun if he wants to.
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0.1.0 ornate box turtle
1.0.0 eastern box turtle
1.0.0 Yellow belly slider
0.1.0 Red belly cooter
0.1.0 Australian shepard
1.11.0 chickens
1.0.0 Dutch(rabbit)
3.2.0 children (do I still count the married ones?)
1.0.0 husband