Question: how long does it take for wellbutrin xl to get into your system?
Answer: When bupropion is used for depression, improvements in sleep, energy, or appetite may be apparent within the first 1-2 weeks. Depressed mood or motivation may take up to 6-8 weeks to fully improve. Bupropion decreases nicotine cravings and withdrawal symptoms but effects take about one to two weeks to develop.