Body weekness. Year now. please help.

Age : 34 Weight : 108 Bp : 120/80 - Telmikind 40Mg Sugar Test - Normal Calcium normal Vitamin d - defeciancy 20 B12 defeciancy 208 Magnesium - dont know Iam mostly vegetarian some time I eat non veg. Problem with body - musculoskeletal pain in ribs chest joint poping sound from joint. Neck down for long time - dizziness but not yet felt down on some movement dizziness goes off. Back muscles severe pain on traveling neck muscles get stiff Morning feel energetic after waking up on just sitting bending forward the pain and dizziness neck pain, back muscles pain, ribs pain starts. I'll be greatfull to you if you could help me with some improvements suggestion. Iam literely fedup with this. It's been from one year now. Please help.