Not evaluated by FDA. Not a drug.
Important: Memodyne is NOT a treatment for dementia or Alzheimer's. Huperzine A interacts with cholinesterase inhibitors (donepezil, rivastigmine). St. John's Wort interacts with SSRIs, blood thinners, oral contraceptives and many prescription drugs.
NCCIH St. John's Wort. Consult your doctor before use.