[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
It remains an investigational peptide used in clinical and research settings outside of formal FDA-approved indications
No human clinical trials exist for either peptide individually or in combination
Some Vitamin B12 injections may contain dairy products or be manufactured in facilities that also process dairy products