3000 mgs. C , 10,000 i.u.’s D or D3, Omega 3, selenium get in the sun!
Olive leaf (Barleans liquid) is a good fighter, echinacea,and Elderberry syrup.
Keep up your probiotics and Multi’s.
For Vitamin C I’m using liposomal vitamin C (it’s fat soluble with far greater absorption). Regular vitamin C is water soluble and very poorly absorbed.