What are some vitamins i can take for memory loss.. sometime i can forget things really fast?

See primary: If you are low on Vitamin b12 or folate that can affect memory as well as vitamin d.However,if you eat a well balanced diet this would be rare to happen except Vitamin d.See your primary as there may be other issue-depression,ADHD,thyroid,sleep apnea,plus others etc.make sure getting plenty of sleep,plenty of water,limit Over the counter meds/supplement,limit alcohol and smoking,increase exercise