Nerve weakness. And feel fatigue!

It has been 2 years since 2020 My whole body always pain Nerve weakness feel weakness in brain.feel Mild numbness and more pain in body My body can't make that much of force as much as my body can make force Feel very weak to hold something Become tired after few minutes of hard work and short distance moving or running I consume much more healthy oily food with rich of good cholesterol and protein powder Ayurvedic tablet etc even after all of these as result My muscles not growing I am looking thin and weak no pack of muscle on chest If I study something an any kind of event then I can remember little bit of book and any event Low memorizing power I feel something bad in my brain as I have something intoxication and feel fatigue