I don't have SAD, but I do have bouts of severe depression. I have tried a spectacular assortment of antidepressants and had every possible side effect, even some that weren't documented! My pschyciatrist eventually suggested 15 drops of hypericum liquid form in 1/2 glass water (tablets have sugar) on an empty stomach 1st thing in the morning, and again last thing at night. It worked instantly, and no side effects or rollercoaster if you forget a dose or two. It's homeopathic, and maybe with a try! Good Luck