[6] If this happens, vitamin B 12 deficiency may result in sense loss, loss of sensation in the feet, difficulty walking, poor balance, blurred vision, changes in reflexes, muscle weakness, decreased smell and taste, decreased level of consciousness, mood changes, memory loss, depression, irritability, clumsiness, disorientation, dementia and, in severe cases, psychosis
Poultry : Chicken and turkey also provide substantial amounts
Consult a licensed clinician for personal medical decisions
Research suggests 5 to 10 grams daily of supplemental glycine (achievable through collagen peptides or bone broth ) can help cover the shortfall in modern diets