Magickaly or medicinally?
Meddicianlly St. John's wort, sold in tablets form, usually containing Hypericine, is great for serotonin dissbalance ralted neurotic disorders.
Rosemary infusion causes Cereblal vasodilatation so is good against confusion, ADD, and to ease the hazardous effect of strong mental work and stress. It is however strongly contraindicated in cases of intra-cerebral hemorage or even possible indication of the same.
Various clinical studies had shown how Menthol from common Mint has works as "mental tonic" strenghtening the troubled mind. Incidentally, or not same purpose ( among other ) shares in magick
Lavender's scent, as well as Citral scents and Marjoram have aromaterapeutically calming effect.
Magickally, Balm of Gillead is great comforter particularly those whos spirit s are down. Black cohosh strenghtens and protects the weak, Mint empowers the mind and brings in some clarity, Solomon's Seal gives wisdom and discrement and so on
It might be worth investing in bottle of "Balsamo tranquilo oil" or "Clarity oil" etc
May You be healed, Blessings