If you struggle a great deal in certain situations with concentrating, Adderall instant release (small dose) worked great for me as needed, but it can easily be

If you struggle a great deal in certain situations with concentrating, Adderall instant release (small dose) worked great for me as needed, but it can easily become tolerated and lead to blood pressure/heart issues if taken regularly in higher doses. I never had much luck with other drugs because of seeming inevitable tolerance problems and side effects.