Human: Is there any evidence that dietary supplements can help treat depression? Assistant: 
Yes, there is some evidence that certain dietary supplements may be beneficial in treating depression. Omega-3 fatty acids have been found to improve symptoms of depression and anxiety, as well as reduce inflammation. Vitamin B12 has also been linked to improved mental health outcomes, including reduced depressive symptoms. Other potential supplements include magnesium, zinc, and vitamin D. More research is needed to determine the effectiveness of these supplements for treating depression.