What are the herbal formulas for brain health and intelligence?

Chinese medicine formulas for brain nourishment and intelligence include Seven Fortunes Drink and Returning Shao Dan.
Symptoms: decreased intelligence, dullness, decreased memory and calculation power, slackness and sleeplessness, withered teeth and scorched hair, lumbago and leg weakness, dizziness and tinnitus.
2. Returning Shao Dan: It is composed of Radix Rehmanniae Praeparata, Cornu Cervi Pantotrichum, Morinda Officinalis, Cortex Eucommiae, Fructus Lycii, Fennel, Poria, Chinese yam, Jujubes, Ginseng, Calamus Calamus, Radix Polygoni Multiflori, Fructus Schisandrae Chinensis, and other medicines, and it has the efficacy of warming up spleen and kidney. It is used in treating dull expression, slow action, memory loss, slurred speech, soreness and weakness of waist and knees, and hypophagia (lack of appetite and reduced food intake).
The adverse effects of the above formula are not known. If you want to replenish the brain, you should go to a regular hospital, under the guidance of a physician, choose a suitable conditioning program for yourself, and should not take medication on your own to avoid delaying your condition.