What causes brain fog?  Inflammation.  What causes allergies?  Inflammation.  What causes no energy?  Inflammation.

You can get sick and overwhelm your circulation and immune system.  How do you fix a circulation and immune system problem?  Do you take pills or do you change your diet?  What do you do when pills and diets don't work?  You take vitamins and supplements.  What do you when vitamins and supplements don't work?  

https://rumble.com/v10jgjy-cure-brain-fog-allergies-and-no-energy-with-chinese-medicine.html