Hello doctor, I have some problem like fatigue, weakness, HAIRFALL,uti, tiredness,pain in legs at bones at night, little depression, muscles pain,  hairfall ,etc And according to google these are the symptoms of vitamin D deficiency Is it true? And can I test it,it is vit d deficiency And I'm vagetarian and also not eating eggs So How can I fixed it naturally by food, exercise or without any medicine And how much time take to see the results Plz guide me