Licorice root, reishi mushrooms and vitamin B-6 are often among the ingredients listed in adaptogenic drinks. Silver Lake’s Soft Spirits’ adaptogenic section includes a Spritz Italiano from L.A.-based De Soi, a concoction containing reishi mushroom, which the company claims is “a stress soothing, brain boosting botanical often referred to as ‘the herb of immortality.’” At Bristol Farms stores across the …