Wellbutrin is a widely recognized medication used to manage major depressive disorder and seasonal affective disorder, as well as to assist with smoking cessation. Available in strengths of 100 mg, 150 mg, and 300 mg, its active ingredient, bupropion, is well-regarded for its effectiveness. Produced by reputable pharmaceutical manufacturers, Wellbutrin is also marketed under various brand names, including Aplenzin, Nicotex, Zyban, Bupcart, Bupron, Zupion, and Buproban.