The good news is you can easily catch these symptoms early on and recover, so let your doctor know if youre experiencing anything so they can check your B12 levels
(Outlines contraindications for niacin therapy, including active peptic ulcer disease, active liver disease with elevated enzymes, hypersensitivity to niacin, and arterial bleeding, as well as monitoring recommendations for blood pressure, glucose, uric acid, etc., due to niacins systemic effects)
Vitamin B12 deficiency can lead to a range of symptoms, including fatigue, weakness, pallor, dizziness, tingling in the hands and feet, memory impairment and depression
Low serotonin levels, in particular, are linked to increased anxiety and depressive symptoms