Modafinil (Provigil) is a stimulant that is FDA approved to treat sleep disorders due to shift work, sleep apnea, or narcolepsy. It increases dopamine, but to a lesser extent than other medications used to treat ADHD, and it also increases orexin, which promotes wakefulness. It is a great alternative for people with ADHD who cannot tolerate more intense medications like Adderall/Vyvanse and Ritalin/Concerta. Beetroot increases nitric oxide, which induces vasodilation (expansion of blood vessels)

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