Once or twice a day daily administration is commonly recommended.

During pregnancy and lactation, this product should be used only after discussing with the doctor.

No major side effects have been reported. Mild effects such as nausea, upset stomach, irritability have been noted occasionally

Generally, men and women having attention deficit, stress, flu-like illness, high blood pressure can take this supplement

Yes, you can if you are going for night shifts work. Mostly it is not recommended during evening time because it activates brain function and interrupts the sleep.