Do I need to take supplements?

Hi everyone, I'm posting anonymously because I'm feeling a bit lost and hoping to get some thoughts from this community. Lately, I've been feeling quite run down and noticing a few symptoms that are making me wonder if I should be looking into supplements. Nothing too severe, but things like persistent fatigue, a bit of brain fog, and just generally not feeling as energetic as I usually do. I'm trying to eat a balanced diet, but I'm questioning if I might be missing something essential. Have any of you experienced similar feelings and found that certain supplements made a noticeable difference? I'm curious about how you decided what to take, or if you consulted with a doctor or nutritionist first. I know supplements aren't a magic bullet and professional advice is key, but I'd really appreciate hearing about your personal experiences and insights before I go down that path. Thanks in advance for sharing!