"It can be concluded that the indoor rearing of veiled chameleons fed with locusts gut-loaded with 12% Ca, dusted with vitamin A (250,000 IU/kg) (75 mg/kg) and cholecalciferol (25,000 IU/kg) (0.625 mg/kg) immediately before feeding, and provision of long (10 h/d), low irradiation exposure (3–120 μW/cm2 UVB) provided the best combination for the prevention of NMBD"...
https://academic.oup.com/jn/article/140/11/1923/4630486
https://academic.oup.com/jn/article/140/11/1923/4630486