In addition to their proprietary weight-reducing programs, some weight loss clinics also provide clients with Vitamin B12 and or Vitamin B6 injections. For most people, extra Vit B12 improves energy, well-being, and it supports thyroid functions, however some individuals already exhibit above-normal Vitamin B12 levels, and of those, a small percentage experiences panic anxiety-like symptoms following a Vitamin B12 shot, or a worsening of Mitral Valve Prolapse symptoms, so this should be kept in mind if those symptoms are experienced... Full Text