Best supplement substitute for vyvanse (lisdexamfetamine)?

not much : If vyvanse (lisdexamfetamine) has been used with good success and the goal is to stop using it there is not one supplement that is going to replace it. It may be possible to develop a comprehensive plan that may involve diet, supplements, and therapies like neurofeedback to try and take the place of the vyvanse (lisdexamfetamine) but you would need to have a provider knowledgeable in utilizing alternative therapies.

Vyvanse (lisdexamfetamine) supplement: There are supplements such as Antioxidants Flaxseed oil or Fish oil, but no substitutes.