"Night shades" refers to plants that typically bloom or thrive in the dark or dimly lit environments, such as during the night or in shaded areas. Full definition
Another source is toxin - containing foods (night shade family plants, hot peppers, etc.) and drinks (coffee, soft drinks). (hawaiinaturopathicretreat.com)
I have a hard time with night shade vegetables. (fullofbeans.us)
This option might be out if you're currently eliminating night shades, however, red bell pepper contains vitamin C, which also strengthens the immune system. (taliand.com)