Im diabetic and i have recently started runnin exercises however i become so weak and extremely tired all i want is to sleep, its almost a month now nd its not getting better, any supplements i can take?

Before supplements: Would suggest seeing your GP, as your fatigue may be related to a medical condition. An exam and work up will be needed.

Need to examine: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor and discuss if you may be depressed. Counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated. Wish you good health!