I lack energy level how can i improve it?!

I lack energy level how can i improve it?

The energy level of my body is very low. I feel lazy and lack of concentration or focus i am 33 please suggest me home made remedy to solve this problem and improve my energy level and focus.

First, go to the doctor and get a complete checkup.
Second, start exercising more. The more you do, the more you can do, and your concentration will improve.
I know you will hate this answer. And it is hard to start. But this is the home remedy you need.