If you're asking what supplements you should take, it sounds like you need a multi-vitamin with minerals, but I would suggest modifying your diet because an unhealthy diet is going to make you sluggish even with proper nutritional supplementation. I don't take any nutritional supplements and I'm not on any prescription medication and I'm 48 years old. Here's what I do almost every day:
1. I eat 2 servings of fruit in the morning. I mix this up to keep it interesting for example, years ago I took a banana and an apple with me on the road to work. Nowadays, I buy big bags of frozen fruit and blend them with yogart.
2. I make sure I drink at least a quart of water every day, preferably before 3:00 pm so I'm not up all nite peeing.
3. I snack on nuts and seeds in the morning: I like almonds, walnuts, pumpkin and sunflower seeds.
4. I have salad at lunch time, usually coleslaw or a garden salad. You can buy them prepackaged at the supermarket if you are so inclined.
5. I snack on cut-up veggies and dip in the afternoon.
6. I incorporate eggs, fish, and calcium-rich foods into my diet as well.
7. I eat whatever the hell I want, but I make sure I don't eat past 8:00 pm and I don't overeat. So, if I want pancakes in the morning, I'll have them AFTER I have my fruit, etc.
Some form of exercise is absolutely essential. Right now all I have time for is a 30 minute daily walk (strolling baby grandson), and horseback riding on the weekends, but it's sufficient in keeping my energy level up and my weight down. I really need to do more.