Which vitamins/supplements are in cerefolin? Is it safe to take a vitamin b complex & multi vitamin with it?

See below. Cerefolin contains B12, folate, (folic acid) Riboflavin and pyridoxine. You may take Vitamin B complex and muti-vitamin with and you will be taking some of the same vitamins multiple times. Unless you have a specific condition and/or deficiency of a particular vitamin taking vitamin supplements has not been shown to improve health.