Very well Explained #VitaminD & it’s #Immunity boosting effect by #doctorfaisaldc #healtheducation

by Umair Faisal khan Immunity kaise increase kare? How to prevent from viral and bacterial infections? Dosto, kya aapki immunity low hai? Kya aapko boht jaldi hi sardi zukaam ho jata hai? Kya aap humesha thake thake se mehsoos karte…