Well tailor frequency based on goals, medical history, and how you respond
They have shown that dogs have dedicated voice areas in their brains
53 Low B 12 concentrations in the body may be present in different pathophysiological situations, including pregnancy, old age, smoking, and comorbidities such as hypertension, diabetes mellitus, pancreatic insufficiency, autoimmune gastritis, gastrectomy or gastric bypass, diseases or resection of the ileum, bacterial overgrowth, celiac disease, inflammatory bowel disease, or uremia-related malnutrition
This is not a reason to assume you are not a candidate it is a reason to let your NP know so they can make the right call for your specific situation