nice pick up,just feed him well,vit powders,humidity up and dont let him get over 85 degrees for too too long.I dont really think MBD with him but getting him on track with diet and habitat will be the only thing you can do now.Hate for you to stress him out too much but you can pry his mouth open and in the back upper top you can see two white bulges that will give you an idea of his calcium intakes or if hes been storing it up well.If you can get a pic of his mouth open for us then you are the king lol.